| Name | Locality | Local Authority | Administrative area |
| Cybi Place | Holyhead | Sir Ynys Mon / Isle of Anglesey | Sir Ynys Mon / Isle of Anglesey |
| Cyclamen Close | Weston | Northampton District (B) | Northamptonshire County |
| Cyclamen Close | Hampton North | Richmond upon Thames London Boro | Greater London Authority |
| Cyclamen Close | Clayton-le-Woods | Chorley District (B) | Lancashire County |
| Cyclamen Close | Branston | East Staffordshire District (B) | Staffordshire County |
| Cyclamen Grove | Lingfield | Darlington (B) | Darlington (B) |
| Cyclamen Place | Aylesbury | Aylesbury Vale District | Buckinghamshire County |
| Cyclamen Road | Swanley | Sevenoaks District | Kent County |
| Cyclamen Way | Ruxley | Epsom and Ewell District (B) | Surrey County |
| Cycle Road | Lenton | City of Nottingham (B) | City of Nottingham (B) |
| Cycle Street | Bradford | Manchester District (B) | Manchester District (B) |
| Cycle Street | Walmgate | York (B) | York (B) |
| Cyclone Street | Bradford | Manchester District (B) | Manchester District (B) |
| Cyclops Street | Burngreave | Sheffield District (B) | Sheffield District (B) |
| Cydonia Approach | Birchwood | Lincoln District (B) | Lincolnshire County |
| Cyfartha Rise | Cyfarthfa | Merthyr Tudful / Merthyr Tydfil | Merthyr Tudful / Merthyr Tydfil |
| Cyfarthfa Court | Gurnos | Merthyr Tudful / Merthyr Tydfil | Merthyr Tudful / Merthyr Tydfil |
| Cyfarthfa Gardens | Vaynor | Merthyr Tudful / Merthyr Tydfil | Merthyr Tudful / Merthyr Tydfil |
| Cyfarthfa Road | Park | Merthyr Tudful / Merthyr Tydfil | Merthyr Tudful / Merthyr Tydfil |
| Cyfarthfa Road | Park | Merthyr Tudful / Merthyr Tydfil | Merthyr Tudful / Merthyr Tydfil |
| Cyfarthfa Street | Plasnewydd | Caerdydd / Cardiff | Caerdydd / Cardiff |
| Cyffredin Lane | Llanyre | Powys / Powys | Powys / Powys |
| Cyffredyn Lane | Llangynidr | Powys / Powys | Powys / Powys |
| Cyfyng Road | Ystalyfera | Castell-nedd Port Talbot / Neath Port Talbot | Castell-nedd Port Talbot / Neath Port Talbot |
| Cygnet Avenue | Feltham North | Hounslow London Boro | Greater London Authority |
| Cygnet Close | Hornsea | East Riding of Yorkshire | East Riding of Yorkshire |
| Cygnet Close | Attleborough | Breckland District | Norfolk County |
| Cygnet Close | Filey | Scarborough District (B) | North Yorkshire County |
| Cygnet Close | Westerhope | Newcastle upon Tyne District (B) | Newcastle Upon Tyne District (B) |
| Cygnet Close | Haydon | Northumberland | Northumberland |
| Cygnet Close | Brampton Bierlow | Rotherham District (B) | Rotherham District (B) |
| Cygnet Close | Sleaford | North Kesteven District | Lincolnshire County |
| Cygnet Close | Sileby | Charnwood District (B) | Leicestershire County |
| Cygnet Close | Syston | Charnwood District (B) | Leicestershire County |
| Cygnet Close | Hednesford | Cannock Chase District | Staffordshire County |
| Cygnet Close | Tettenhall Wightwick | City of Wolverhampton District (B) | City of Wolverhampton District (B) |
| Cygnet Close | Madeley | Newcastle-under-Lyme District (B) | Staffordshire County |
| Cygnet Close | East Malling and Larkfield | Tonbridge and Malling District (B) | Kent County |
| Cygnet Close | Stonebridge | Brent London Boro | Greater London Authority |
| Cygnet Close | Elstree and Borehamwood | Hertsmere District (B) | Hertfordshire County |
| Cygnet Close | Northwood | Hillingdon London Boro | Greater London Authority |
| Cygnet Close | Goldsworth East | Woking District (B) | Surrey County |
| Cygnet Close | Thatcham | West Berkshire | West Berkshire |
| Cygnet Close | Tetsworth | South Oxfordshire District | Oxfordshire County |
| Cygnet Close | Alvechurch | Bromsgrove District | Worcestershire County |
| Cygnet Close | Roundway | Wiltshire | Wiltshire |
| Cygnet Close | Rivacre | Cheshire West and Chester (B) | Cheshire West and Chester (B) |
| Cygnet Close | Aughton | West Lancashire District (B) | Lancashire County |
| Cygnet Close | Ellesmere Urban | Shropshire | Shropshire |
| Cygnet Close | Killay | Abertawe / Swansea | Abertawe / Swansea |
| Cygnet Court | Wombourne | South Staffordshire District | Staffordshire County |
| Cygnet Court | Portchester West | Fareham District (B) | Hampshire County |
| Cygnet Court | Northwood | Knowsley District (B) | Knowsley District (B) |
| Cygnet Court | Latchford | Warrington (B) | Warrington (B) |
| Cygnet Crescent | Weston-Super-Mare | North Somerset | North Somerset |
| Cygnet Drive | Brownhills | Walsall District (B) | Walsall District (B) |
| Cygnet Drive | Castle | Tamworth District (B) | Staffordshire County |
| Cygnet Drive | Stirchley and Brookside | Telford and Wrekin (B) | Telford and Wrekin (B) |
| Cygnet Drive | Chatteris | Fenland District | Cambridgeshire County |
| Cygnet Drive | Durrington | Wiltshire | Wiltshire |
| Cygnet Drive | Parkfield | Stockton-on-Tees (B) | Stockton-on-tees (B) |
| Cygnet Fold | Manor | Mansfield District | Nottinghamshire County |
| Cygnet Grove | Kingstanding | Birmingham District (B) | Birmingham District (B) |
| Cygnet Lane | Brockmoor and Pensnett | Dudley District (B) | Dudley District (B) |
| Cygnet Road | Dereham | Breckland District | Norfolk County |
| Cygnet Road | Lordswood | Medway (B) | Medway (B) |
| Cygnet Road | West Bromwich Central | Sandwell District (B) | Sandwell District (B) |
| Cygnet Road | Drayton and Farlington | City of Portsmouth (B) | City of Portsmouth (B) |
| Cygnet Road | South | City of Peterborough (B) | City of Peterborough (B) |
| Cygnet Street | Weavers | Tower Hamlets London Boro | Greater London Authority |
| Cygnet Street | Newtown | Wigan District (B) | Wigan District (B) |
| Cygnet Street | Bishophill | York (B) | York (B) |
| Cygnet View | West Thurrock | Thurrock (B) | Thurrock (B) |
| Cygnet Walk | Bersted | Arun District | West Sussex County |
| Cygnet Walk | Stanway | Colchester District (B) | Essex County |
| Cygnet Way | Yeading | Hillingdon London Boro | Greater London Authority |
| Cygnet Way | Hungerford | West Berkshire | West Berkshire |
| Cygnet Way | Staverton | Wiltshire | Wiltshire |
| Cygnet Way | Ashford Victoria Park | Ashford District (B) | Kent County |
| Cygnets Close | Redhill East | Reigate and Banstead District (B) | Surrey County |
| Cygnus Avenue | Blackfriars | Salford District (B) | Salford District (B) |
| Cygnus Drive | Leighton-Linslade | Central Bedfordshire | Central Bedfordshire |
| Cygnus Gardens | Hythe and Dibden | New Forest District | Hampshire County |
| Cygnus Way | Great Bridge | Sandwell District (B) | Sandwell District (B) |
| Cylch Aeron | Aberaeron | Sir Ceredigion / Ceredigion | Sir Ceredigion / Ceredigion |
| Cylch Peris | Llansantffraed | Sir Ceredigion / Ceredigion | Sir Ceredigion / Ceredigion |
| Cylch Tudor | Llandudno | Conwy / Conwy | Conwy / Conwy |
| Cylch Y Llan | New Quay | Sir Ceredigion / Ceredigion | Sir Ceredigion / Ceredigion |
| Cylch-y-nant | Rhuddlan | Sir Ddinbych / Denbighshire | Sir Ddinbych / Denbighshire |
| Cylers Thicket | Welwyn | Welwyn Hatfield District (B) | Hertfordshire County |
| Cylinder Road | Saltwood | Shepway District | Kent County |
| Cylla Street | Gelligaer | Caerffili / Caerphilly | Caerffili / Caerphilly |
| Cyman Close | Blacon Lodge | Cheshire West and Chester (B) | Cheshire West and Chester (B) |
| Cymau Lane | Llanfynydd | Sir y Fflint / Flintshire | Sir Y Fflint / Flintshire |
| Cymau Road | Llanfynydd | Sir y Fflint / Flintshire | Sir Y Fflint / Flintshire |
| Cymbal Court | South Reddish | Stockport District (B) | Stockport District (B) |
| Cymbeline Way | Warwick | Warwick District | Warwickshire County |
| Cymbeline Way | Bilton | Rugby District (B) | Warwickshire County |
| Cymbeline Way (colchester By Pass) | Lexden | Colchester District (B) | Essex County |
| Cymdda | St. Bride's Minor | Pen-y-bont ar Ogwr / Bridgend | Pen-y-bont Ar Ogwr / Bridgend |
| Cymer Road | Glyncorrwg | Castell-nedd Port Talbot / Neath Port Talbot | Castell-nedd Port Talbot / Neath Port Talbot |
| Cymer Road | Maesteg | Pen-y-bont ar Ogwr / Bridgend | Pen-y-bont Ar Ogwr / Bridgend |
| Cymmer Road | Glyncorrwg | Castell-nedd Port Talbot / Neath Port Talbot | Castell-nedd Port Talbot / Neath Port Talbot |
| Cymmer Road | Porth | Rhondda Cynon Taf / Rhondda Cynon Taf | Rhondda Cynon Taf / Rhondda Cynon Taf |
| Cymmer Road | Porth | Rhondda Cynon Taf / Rhondda Cynon Taf | Rhondda Cynon Taf / Rhondda Cynon Taf |
| Cymmer Street | Grangetown | Caerdydd / Cardiff | Caerdydd / Cardiff |
| Cymric Close | Pen-y-Waun | Rhondda Cynon Taf / Rhondda Cynon Taf | Rhondda Cynon Taf / Rhondda Cynon Taf |
| Cymric Close | Ely | Caerdydd / Cardiff | Caerdydd / Cardiff |
| Cyn-coed Avenue | Cyncoed | Caerdydd / Cardiff | Caerdydd / Cardiff |
| Cyn-coed Crescent | Cyncoed | Caerdydd / Cardiff | Caerdydd / Cardiff |
| Cyn-coed Road | Roath | Caerdydd / Cardiff | Caerdydd / Cardiff |
| Cyn-coed Road | Cyncoed | Caerdydd / Cardiff | Caerdydd / Cardiff |
| Cynan Close | Barry | Bro Morgannwg / the Vale of Glamorgan | Bro Morgannwg / The Vale of Glamorgan |
| Cynan Close | Llantrisant | Rhondda Cynon Taf / Rhondda Cynon Taf | Rhondda Cynon Taf / Rhondda Cynon Taf |
| Cynan Close | Beaufort | Blaenau Gwent / Blaenau Gwent | Blaenau Gwent / Blaenau Gwent |
| Cyncoed | Ynysybwl and Coed-y-Cwm | Rhondda Cynon Taf / Rhondda Cynon Taf | Rhondda Cynon Taf / Rhondda Cynon Taf |
| Cyncoed Close | Dunvant | Abertawe / Swansea | Abertawe / Swansea |
| Cyncoed Gardens | Roath | Caerdydd / Cardiff | Caerdydd / Cardiff |
| Cyncoed Place | Cyncoed | Caerdydd / Cardiff | Caerdydd / Cardiff |
| Cyncoed Rise | Cyncoed | Caerdydd / Cardiff | Caerdydd / Cardiff |
| Cyncoed Road | Margam | Castell-nedd Port Talbot / Neath Port Talbot | Castell-nedd Port Talbot / Neath Port Talbot |
| Cyncopa Way | Blakelaw and North Fenham | Newcastle upon Tyne District (B) | Newcastle Upon Tyne District (B) |
| Cynder Way | Mangotsfield Rural | South Gloucestershire | South Gloucestershire |
| Cyndor Court | Castleford Ferry Fryston | Wakefield District (B) | Wakefield District (B) |
| Cynfran Road | Llysfaen | Conwy / Conwy | Conwy / Conwy |
| Cynicus Place | Leuchars, Balmullo and Guardbridge | Fife | Fife |
| Cynlas | Broughton | Wrecsam / Wrexham | Wrecsam / Wrexham |
| Cynlas | Kinmel Bay and Towyn | Conwy / Conwy | Conwy / Conwy |
| Cynlas Street | Rhosllanerchrugog | Wrecsam / Wrexham | Wrecsam / Wrexham |
| Cynllan Avenue | Llanharan | Rhondda Cynon Taf / Rhondda Cynon Taf | Rhondda Cynon Taf / Rhondda Cynon Taf |
| Cynllwyndu Road | Tylorstown | Rhondda Cynon Taf / Rhondda Cynon Taf | Rhondda Cynon Taf / Rhondda Cynon Taf |
| Cynon Close | Llansamlet | Abertawe / Swansea | Abertawe / Swansea |
| Cynon Close | Aberdare | Rhondda Cynon Taf / Rhondda Cynon Taf | Rhondda Cynon Taf / Rhondda Cynon Taf |
| Cynon Street | Aberaman | Rhondda Cynon Taf / Rhondda Cynon Taf | Rhondda Cynon Taf / Rhondda Cynon Taf |
| Cynon Terrace | Penrhiwceiber | Rhondda Cynon Taf / Rhondda Cynon Taf | Rhondda Cynon Taf / Rhondda Cynon Taf |
| Cynon View | Pontypridd | Rhondda Cynon Taf / Rhondda Cynon Taf | Rhondda Cynon Taf / Rhondda Cynon Taf |
| Cynthia Avenue | Woolston | Warrington (B) | Warrington (B) |
| Cynthia Close | Newtown | Poole (B) | Poole (B) |
| Cynthia Court | Wootton | Bedford (B) | Bedford (B) |
| Cynthia Drive | South Marple | Stockport District (B) | Stockport District (B) |
| Cynthia Grove | Fairlee | Isle of Wight | Isle of Wight |
| Cynthia Grove | Burslem North | City of Stoke-on-Trent (B) | City of Stoke-on-trent (B) |
| Cynthia Road | Westmoreland | Bath and North East Somerset | Bath and North East Somerset |
| Cynthia Road | Oldfield | Bath and North East Somerset | Bath and North East Somerset |
| Cynthia Road | Newtown | Poole (B) | Poole (B) |
| Cynthia Road | Heath | Halton (B) | Halton (B) |
| Cynthia Road | Heneage | North East Lincolnshire (B) | North East Lincolnshire (B) |
| Cynthia Street | Barnsbury | Islington London Boro | Greater London Authority |
| Cyntwell Avenue | Caerau | Caerdydd / Cardiff | Caerdydd / Cardiff |
| Cyntwell Crescent | Caerau | Caerdydd / Cardiff | Caerdydd / Cardiff |
| Cyntwell Place | Caerau | Caerdydd / Cardiff | Caerdydd / Cardiff |
| Cypress | Newport Pagnell | Milton Keynes (B) | Milton Keynes (B) |
| Cypress Avenue | Blantyre West | South Lanarkshire | South Lanarkshire |
| Cypress Avenue | Viewpark | North Lanarkshire | North Lanarkshire |
| Cypress Avenue | Beith | North Ayrshire | North Ayrshire |
| Cypress Avenue | Wingrove | Newcastle upon Tyne District (B) | Newcastle Upon Tyne District (B) |
| Cypress Avenue | Auckley | Doncaster District (B) | Doncaster District (B) |
| Cypress Avenue | Norton | Sheffield District (B) | Sheffield District (B) |
| Cypress Avenue | Chadderton North | Oldham District (B) | Oldham District (B) |
| Cypress Avenue | Ashford Central | Ashford District (B) | Kent County |
| Cypress Avenue | Hoo St. Werburgh | Medway (B) | Medway (B) |
| Cypress Avenue | Chase | Enfield London Boro | Greater London Authority |
| Cypress Avenue | Howlands | Welwyn Hatfield District (B) | Hertfordshire County |
| Cypress Avenue | Whitton | Richmond upon Thames London Boro | Greater London Authority |
| Cypress Avenue | Gornal | Dudley District (B) | Dudley District (B) |
| Cypress Avenue | Peartree | City of Southampton (B) | City of Southampton (B) |
| Cypress Avenue | Durrington | Worthing District (B) | West Sussex County |
| Cypress Avenue | Victoria | Wyre District (B) | Lancashire County |
| Cypress Avenue | Groves | Cheshire West and Chester (B) | Cheshire West and Chester (B) |
| Cypress Avenue | Appleton | Halton (B) | Halton (B) |
| Cypress Avenue | Mumbles | Abertawe / Swansea | Abertawe / Swansea |
| Cypress Avenue | Crinnis | Cornwall | Cornwall |
| Cypress Avenue | Oldmachar | Aberdeen City | Aberdeen City |
| Cypress Close | Taverham | Broadland District | Norfolk County |
| Cypress Close | Hummersknott | Darlington (B) | Darlington (B) |
| Cypress Close | Outwoods | Charnwood District (B) | Leicestershire County |
| Cypress Close | Sleaford | North Kesteven District | Lincolnshire County |
| Cypress Close | Killamarsh | North East Derbyshire District | Derbyshire County |
| Cypress Close | Edgeley | Stockport District (B) | Stockport District (B) |
| Cypress Close | Woolston | Warrington (B) | Warrington (B) |
| Cypress Close | Weeping Cross | Stafford District (B) | Staffordshire County |
| Cypress Close | Market Drayton | Shropshire | Shropshire |
| Cypress Close | Seasalter | Canterbury District (B) | Kent County |
| Cypress Close | St. Johns | Tendring District | Essex County |
| Cypress Close | Mildenhall | Forest Heath District | Suffolk County |
| Cypress Close | Doddington | Fenland District | Cambridgeshire County |
| Cypress Close | Crouch | Basildon District (B) | Essex County |
| Cypress Close | Cazenove | Hackney London Boro | Greater London Authority |
| Cypress Close | Waltham Abbey | Epping Forest District | Essex County |
| Cypress Close | Buckingham | Adur District | West Sussex County |
| Cypress Close | Maze Hill | Hastings District (B) | East Sussex County |
| Cypress Close | Desborough | Kettering District (B) | Northamptonshire County |
| Cypress Close | Finchampstead | Wokingham (B) | Wokingham (B) |
| Cypress Close | Evesham | Wychavon District | Worcestershire County |
| Cypress Close | Castle | Lancaster District (B) | Lancashire County |
| Cypress Close | Ribbleton | Preston District (B) | Lancashire County |
| Cypress Close | Melling | Sefton District (B) | Sefton District (B) |
| Cypress Close | Clayton-le-Woods | Chorley District (B) | Lancashire County |
| Cypress Close | Gurnos | Merthyr Tudful / Merthyr Tydfil | Merthyr Tudful / Merthyr Tydfil |
| Cypress Close | Caerleon | Casnewydd / Newport | Casnewydd / Newport |
| Cypress Close | Tormohun | Torbay (B) | Torbay (B) |
| Cypress Close | Gittisham | East Devon District | Devon County |
| Cypress Close | Plympton Erle | City of Plymouth (B) | City of Plymouth (B) |
| Cypress Close | West | City of Peterborough (B) | City of Peterborough (B) |
| Cypress Court | Silvertonhill | South Lanarkshire | South Lanarkshire |
| Cypress Court | Heatheryknowe | South Lanarkshire | South Lanarkshire |
| Cypress Court | Lenzie | East Dunbartonshire | East Dunbartonshire |
| Cypress Court | Brandon and Byshottles | County Durham | County Durham |
| Cypress Court | Hucknall West | Ashfield District | Nottinghamshire County |
| Cypress Court | Wakefield Central | Wakefield District (B) | Wakefield District (B) |
| Cypress Court | Northowram and Shelf | Calderdale District (B) | Calderdale District (B) |
| Cypress Court | Great Dunmow | Uttlesford District | Essex County |
| Cypress Court | Medway | Medway (B) | Medway (B) |
| Cypress Court | Headlands | Northampton District (B) | Northamptonshire County |
| Cypress Court | Virginia Water | Runnymede District (B) | Surrey County |
| Cypress Court | Stoke Bishop | City of Bristol (B) | City of Bristol (B) |
| Cypress Court | Ogmore Valley | Pen-y-bont ar Ogwr / Bridgend | Pen-y-bont Ar Ogwr / Bridgend |
| Cypress Court | Aberdare | Rhondda Cynon Taf / Rhondda Cynon Taf | Rhondda Cynon Taf / Rhondda Cynon Taf |
| Cypress Crescent | Sheringham | North Norfolk District | Norfolk County |
| Cypress Crescent | Dunston | Gateshead District (B) | Gateshead District (B) |
| Cypress Crescent | Croft | Northumberland | Northumberland |
| Cypress Crescent | Horndean | East Hampshire District | Hampshire County |
| Cypress Crescent | Heatheryknowe | South Lanarkshire | South Lanarkshire |
| Cypress Croft | Clatterbridge | Wirral District (B) | Wirral District (B) |
| Cypress Croft | Binley and Willenhall | Coventry District (B) | Coventry District (B) |
| Cypress Drive | Croft | Northumberland | Northumberland |
| Cypress Drive | Moulsham Lodge | Chelmsford District (B) | Essex County |
| Cypress Drive | Fleet Pondtail | Hart District | Hampshire County |
| Cypress Drive | Puriton | Sedgemoor District | Somerset County |
| Cypress Drive | Exwick | Exeter District (B) | Devon County |
| Cypress Drive | Yeovil | South Somerset District | Somerset County |
| Cypress Drive | Trowbridge | Caerdydd / Cardiff | Caerdydd / Cardiff |
| Cypress Fold | Kirkburton | Kirklees District (B) | Kirklees District (B) |
| Cypress Gardens | Camperdown | North Tyneside District (B) | North Tyneside District (B) |
| Cypress Gardens | Croft | Northumberland | Northumberland |
| Cypress Gardens | Plessey | Northumberland | Northumberland |
| Cypress Gardens | Ripon | Harrogate District (B) | North Yorkshire County |
| Cypress Gardens | Newbold | Rochdale District (B) | Rochdale District (B) |
| Cypress Gardens | Sutton Four Oaks | Birmingham District (B) | Birmingham District (B) |
| Cypress Gardens | Crofton Park | Lewisham London Boro | Greater London Authority |
| Cypress Gardens | Bicester | Cherwell District | Oxfordshire County |
| Cypress Gardens | Kingswinford South | Dudley District (B) | Dudley District (B) |
| Cypress Gardens | Longlevens | Gloucester District (B) | Gloucestershire County |
| Cypress Gardens | Botley | Eastleigh District (B) | Hampshire County |
| Cypress Gardens | Totton and Eling | New Forest District | Hampshire County |
| Cypress Gardens | Eccleston | St. Helens District (B) | St Helens District (B) |
| Cypress Gardens | Porthcawl | Pen-y-bont ar Ogwr / Bridgend | Pen-y-bont Ar Ogwr / Bridgend |
| Cypress Gardens | Long Ashton | North Somerset | North Somerset |
| Cypress Gardens | Hereford | County of Herefordshire | County of Herefordshire |
| Cypress Gardens | Woodlands North and Girdle Toll | North Ayrshire | North Ayrshire |
| Cypress Gate | Ecclesfield | Sheffield District (B) | Sheffield District (B) |
| Cypress Glade | Linhouse | West Lothian | West Lothian |
| Cypress Grove | Oldmachar | Aberdeen City | Aberdeen City |
| Cypress Grove | Pitcorthie | Fife | Fife |
| Cypress Grove | Bargeddie and Langloan | North Lanarkshire | North Lanarkshire |
| Cypress Grove | Ward 1 | Inverclyde | Inverclyde |
| Cypress Grove | Ryton | Gateshead District (B) | Gateshead District (B) |
| Cypress Grove | Belmont | County Durham | County Durham |
| Cypress Grove | Heighington | Darlington (B) | Darlington (B) |
| Cypress Grove | Conisbrough | Doncaster District (B) | Doncaster District (B) |
| Cypress Grove | Wales | Rotherham District (B) | Rotherham District (B) |
| Cypress Grove | Denton North East | Tameside District (B) | Tameside District (B) |
| Cypress Grove | Kearsley | Bolton District (B) | Bolton District (B) |
| Cypress Grove | Chesterton | Newcastle-under-Lyme District (B) | Staffordshire County |
| Cypress Grove | Forsbrook | Staffordshire Moorlands District | Staffordshire County |
| Cypress Grove | St. Andrew's | Colchester District (B) | Essex County |
| Cypress Grove | Eythorne | Dover District | Kent County |
| Cypress Grove | Pantiles and St. Mark's | Tunbridge Wells District (B) | Kent County |
| Cypress Grove | Hainault | Redbridge London Boro | Greater London Authority |
| Cypress Grove | Ash | Guildford District (B) | Surrey County |
| Cypress Grove | Northfield | Birmingham District (B) | Birmingham District (B) |
| Cypress Grove | Moredon | Swindon (B) | Swindon (B) |
| Cypress Grove | Millway | Test Valley District | Hampshire County |
| Cypress Grove | Hiltingbury West | Eastleigh District (B) | Hampshire County |
| Cypress Grove | Claremont | Blackpool (B) | Blackpool (B) |
| Cypress Grove | Lostock Hall | South Ribble District (B) | Lancashire County |
| Cypress Grove | Grange | Halton (B) | Halton (B) |
| Cypress Grove | Rhyl | Sir Ddinbych / Denbighshire | Sir Ddinbych / Denbighshire |
| Cypress Grove | Henleaze | City of Bristol (B) | City of Bristol (B) |
| Cypress Grove | Jedburgh and District West | Scottish Borders | Scottish Borders |
| Cypress Heights | Monk Bretton | Barnsley District (B) | Barnsley District (B) |
| Cypress Heights | North West | Barnsley District (B) | Barnsley District (B) |
| Cypress Hill Court | Fernhill | Rushmoor District (B) | Hampshire County |
| Cypress Lane | Leven West and Kirkland | Fife | Fife |
| Cypress Lane | Whitnash | Warwick District | Warwickshire County |
| Cypress Lane | Woodhead / Meikle Earnock | South Lanarkshire | South Lanarkshire |
| Cypress Mews | West Mersea | Colchester District (B) | Essex County |
| Cypress Oaks | Stalybridge South | Tameside District (B) | Tameside District (B) |
| Cypress Park | Brandon and Byshottles | County Durham | County Durham |
| Cypress Place | Hunstanton | King's Lynn and West Norfolk District (B) | Norfolk County |
| Cypress Place | Bloomsbury | Camden London Boro | Greater London Authority |
| Cypress Place | Heatheryknowe | South Lanarkshire | South Lanarkshire |
| Cypress Ridge | Livesey | Blackburn with Darwen (B) | Blackburn with Darwen (B) |
| Cypress Rise | Rawnsley | Cannock Chase District | Staffordshire County |
| Cypress Road | Marton | Middlesbrough (B) | Middlesbrough (B) |
| Cypress Road | Redcar | Redcar and Cleveland (B) | Redcar and Cleveland (B) |
| Cypress Road | Lamesley | Gateshead District (B) | Gateshead District (B) |
| Cypress Road | Normanton | Wakefield District (B) | Wakefield District (B) |
| Cypress Road | Park | Barnsley District (B) | Barnsley District (B) |
| Cypress Road | Droylsden East | Tameside District (B) | Tameside District (B) |
| Cypress Road | Winton | Salford District (B) | Salford District (B) |
| Cypress Road | Waterhead | Oldham District (B) | Oldham District (B) |
| Cypress Road | Great Barr | Sandwell District (B) | Sandwell District (B) |
| Cypress Road | Witham | Braintree District | Essex County |
| Cypress Road | Frindsbury | Medway (B) | Medway (B) |
| Cypress Road | Frindsbury Extra | Medway (B) | Medway (B) |
| Cypress Road | South Norwood | Croydon London Boro | Greater London Authority |
| Cypress Road | Wealdstone | Harrow London Boro | Greater London Authority |
| Cypress Road | Stoke | Guildford District (B) | Surrey County |
| Cypress Road | Woodley | Wokingham (B) | Wokingham (B) |
| Cypress Road | St. Thomas's | Dudley District (B) | Dudley District (B) |
| Cypress Road | Walton Cardiff | Tewkesbury District (B) | Gloucestershire County |
| Cypress Road | Newport South | Isle of Wight | Isle of Wight |
| Cypress Road | Mount Joy | Isle of Wight | Isle of Wight |
| Cypress Road | Whitehill | East Hampshire District | Hampshire County |
| Cypress Road | Charminster | West Dorset District | Dorset County |
| Cypress Road | Newtown | Wigan District (B) | Wigan District (B) |
| Cypress Road | Norwood | Sefton District (B) | Sefton District (B) |
| Cypress Road | Roby | Knowsley District (B) | Knowsley District (B) |
| Cypress Road | Mossend East and New Stevenston North | North Lanarkshire | North Lanarkshire |
| Cypress Square | Acock's Green | Birmingham District (B) | Birmingham District (B) |
| Cypress Square | Silksworth | Sunderland District (B) | Sunderland District (B) |
| Cypress Street | Middleton East | Rochdale District (B) | Rochdale District (B) |
| Cypress Street | Harpurhey | Manchester District (B) | Manchester District (B) |
| Cypress Street | St. Stephen | Worcester District (B) | Worcestershire County |
| Cypress Street | Pontypridd | Rhondda Cynon Taf / Rhondda Cynon Taf | Rhondda Cynon Taf / Rhondda Cynon Taf |
| Cypress Street | Ashfield | Glasgow City | Glasgow City |
| Cypress Terrace | Norton-Radstock | Bath and North East Somerset | Bath and North East Somerset |
| Cypress Tree Close | Sidcup | Bexley London Boro | Greater London Authority |
| Cypress Walk | Stanborough | Watford District (B) | Hertfordshire County |
| Cypress Walk | Englefield Green West | Runnymede District (B) | Surrey County |
| Cypress Walk | Colerne | Wiltshire | Wiltshire |
| Cypress Walk | Roosecote | Barrow-in-Furness District (B) | Cumbria County |
| Cypress Walk | Oldmachar | Aberdeen City | Aberdeen City |
| Cypress Way | South Marple | Stockport District (B) | Stockport District (B) |
| Cypress Way | Whitton | Waveney District | Suffolk County |
| Cypress Way | Nork | Reigate and Banstead District (B) | Surrey County |
| Cypress Way | Yateley | Hart District | Hampshire County |
| Cypress Way | Northfield | Birmingham District (B) | Birmingham District (B) |
| Cypress Way | Camp Hill | Nuneaton and Bedworth District (B) | Warwickshire County |
| Cypress Way | Frome | Mendip District | Somerset County |
| Cypress Way | Aldwick | Arun District | West Sussex County |
| Cypress Way | Grayshott | East Hampshire District | Hampshire County |
| Cypress Way | Gillingham | North Dorset District | Dorset County |
| Cypress Way | Penrith Carleton | Eden District | Cumbria County |
| Cypress Way | Hallside | South Lanarkshire | South Lanarkshire |
| Cyprian Rust Way | Soham | East Cambridgeshire District | Cambridgeshire County |
| Cyprians Avenue | Brookwood | Woking District (B) | Surrey County |
| Cyprus Avenue | Beeston North-East | Broxtowe District (B) | Nottinghamshire County |
| Cyprus Avenue | Wakefield North | Wakefield District (B) | Wakefield District (B) |
| Cyprus Avenue | Idle | Bradford District (B) | Bradford District (B) |
| Cyprus Avenue | Finchley Church End | Barnet London Boro | Greater London Authority |
| Cyprus Avenue | Feckenham | Redditch District (B) | Worcestershire County |
| Cyprus Avenue | Fairhaven | Fylde District (B) | Lancashire County |
| Cyprus Avenue | Elderslie | Renfrewshire | Renfrewshire |
| Cyprus Close | St. Marys | Oldham District (B) | Oldham District (B) |
| Cyprus Close | Harringay | Haringey London Boro | Greater London Authority |
| Cyprus Close | Weoley | Birmingham District (B) | Birmingham District (B) |
| Cyprus Close | Langworthy | Salford District (B) | Salford District (B) |
| Cyprus Crescent | Mirfield | Kirklees District (B) | Kirklees District (B) |
| Cyprus Drive | Idle | Bradford District (B) | Bradford District (B) |
| Cyprus Drive | Beeston North-East | Broxtowe District (B) | Nottinghamshire County |
| Cyprus Gardens | Finchley Church End | Barnet London Boro | Greater London Authority |
| Cyprus Gardens | Low Fell | Gateshead District (B) | Gateshead District (B) |
| Cyprus Grove | Garforth and Swillington | Leeds District (B) | Leeds District (B) |
| Cyprus Grove | Wakefield North | Wakefield District (B) | Wakefield District (B) |
| Cyprus Grove | Granby | Liverpool District (B) | Liverpool District (B) |
| Cyprus Grove | Haxby | York (B) | York (B) |
| Cyprus Mount | Wakefield North | Wakefield District (B) | Wakefield District (B) |
| Cyprus Place | Mile End and Globe Town | Tower Hamlets London Boro | Greater London Authority |
| Cyprus Place | Rye | Rother District | East Sussex County |
| Cyprus Place | Beckton | Newham London Boro | Greater London Authority |
| Cyprus Road | Mapperley | City of Nottingham (B) | City of Nottingham (B) |
| Cyprus Road | Saffron | City of Leicester (B) | City of Leicester (B) |
| Cyprus Road | Garforth and Swillington | Leeds District (B) | Leeds District (B) |
| Cyprus Road | Heeley | Sheffield District (B) | Sheffield District (B) |
| Cyprus Road | Faversham | Swale District (B) | Kent County |
| Cyprus Road | Romsey | Cambridge District (B) | Cambridgeshire County |
| Cyprus Road | Haselbury | Enfield London Boro | Greater London Authority |
| Cyprus Road | Finchley Church End | Barnet London Boro | Greater London Authority |
| Cyprus Road | Burgess Hill | Mid Sussex District | West Sussex County |
| Cyprus Road | Frimley Green | Surrey Heath District (B) | Surrey County |
| Cyprus Road | Hatch Warren and Beggarwood | Basingstoke and Deane District (B) | Hampshire County |
| Cyprus Road | Fratton | City of Portsmouth (B) | City of Portsmouth (B) |
| Cyprus Road | Titchfield Common | Fareham District (B) | Hampshire County |
| Cyprus Road | Heysham South | Lancaster District (B) | Lancashire County |
| Cyprus Road | Exmouth | East Devon District | Devon County |
| Cyprus Road | Attleborough | Breckland District | Norfolk County |
| Cyprus Street | Marfleet | City of Kingston upon Hull (B) | City of Kingston Upon Hull (B) |
| Cyprus Street | Wakefield North | Wakefield District (B) | Wakefield District (B) |
| Cyprus Street | Ossett | Wakefield District (B) | Wakefield District (B) |
| Cyprus Street | Whitehall | Blackburn with Darwen (B) | Blackburn with Darwen (B) |
| Cyprus Street | Stretford | Trafford District (B) | Trafford District (B) |
| Cyprus Street | Blakenhall | City of Wolverhampton District (B) | City of Wolverhampton District (B) |
| Cyprus Street | Mile End and Globe Town | Tower Hamlets London Boro | Greater London Authority |
| Cyprus Street | Oldbury | Sandwell District (B) | Sandwell District (B) |
| Cyprus Street | Prescot | Knowsley District (B) | Knowsley District (B) |
| Cyprus Street | Lakenham | Norwich District (B) | Norfolk County |
| Cyprus Terrace | Barnstaple | North Devon District | Devon County |
| Cyprus Terrace | Garforth and Swillington | Leeds District (B) | Leeds District (B) |
| Cyrano Way | Freshney | North East Lincolnshire (B) | North East Lincolnshire (B) |
| Cyrch-y-gwas Road | Pontypridd | Rhondda Cynon Taf / Rhondda Cynon Taf | Rhondda Cynon Taf / Rhondda Cynon Taf |
| Cyrena Road | East Dulwich | Southwark London Boro | Greater London Authority |
| Cyres Street | Penydarren | Merthyr Tudful / Merthyr Tydfil | Merthyr Tudful / Merthyr Tydfil |
| Cyril Avenue | Stapleford | Broxtowe District (B) | Nottinghamshire County |
| Cyril Avenue | Beeston North-West | Broxtowe District (B) | Nottinghamshire County |
| Cyril Avenue | Robin Hood | City of Nottingham (B) | City of Nottingham (B) |
| Cyril Bell Close | Lymm | Warrington (B) | Warrington (B) |
| Cyril Child Close | St. Andrew's | Colchester District (B) | Essex County |
| Cyril Crescent | Adamsdown | Caerdydd / Cardiff | Caerdydd / Cardiff |
| Cyril Evans Way | Morriston | Abertawe / Swansea | Abertawe / Swansea |
| Cyril Grove | Aigburth | Liverpool District (B) | Liverpool District (B) |
| Cyril Hayward Court | Hadley | Telford and Wrekin (B) | Telford and Wrekin (B) |
| Cyril Road | Abbey | Rushcliffe District (B) | Nottinghamshire County |
| Cyril Road | Brampton | Bexley London Boro | Greater London Authority |
| Cyril Road | Petts Wood and Knoll | Bromley London Boro | Greater London Authority |
| Cyril Road | Sparkbrook | Birmingham District (B) | Birmingham District (B) |
| Cyril Road | St. Barnabas | Worcester District (B) | Worcestershire County |
| Cyril Road | St. Nicholas | Worcester District (B) | Worcestershire County |
| Cyril Road | East Cliff | Bournemouth (B) | Bournemouth (B) |
| Cyril Road | Truro | Cornwall | Cornwall |
| Cyril Road | Thorpe St. Andrew | Broadland District | Norfolk County |
| Cyril Street | Seedhill | Renfrewshire | Renfrewshire |
| Cyril Street | Consett North | County Durham | County Durham |
| Cyril Street | Braunstone | Blaby District | Leicestershire County |
| Cyril Street | Fairfield and Howley | Warrington (B) | Warrington (B) |
| Cyril Street | Moss Side | Manchester District (B) | Manchester District (B) |
| Cyril Street | Burnden | Bolton District (B) | Bolton District (B) |
| Cyril Street | Shaw and Crompton | Oldham District (B) | Oldham District (B) |
| Cyril Street | St. Crispin | Northampton District (B) | Northamptonshire County |
| Cyril Street | Barry | Bro Morgannwg / the Vale of Glamorgan | Bro Morgannwg / The Vale of Glamorgan |
| Cyril Street | Taunton Fairwater | Taunton Deane District (B) | Somerset County |
| Cyril Street | Victoria | Casnewydd / Newport | Casnewydd / Newport |
| Cyril Street West | Taunton Fairwater | Taunton Deane District (B) | Somerset County |
| Cyril Vokins Road | Greenham | West Berkshire | West Berkshire |
| Cyrils Way | Sopwell | St. Albans District (B) | Hertfordshire County |
| Cyrus Court | Mangotsfield Rural | South Gloucestershire | South Gloucestershire |
| Cyrus Street | Bunhill | Islington London Boro | Greater London Authority |
| Cyrus Street | Beswick and Clayton | Manchester District (B) | Manchester District (B) |
| Cyrus Way | South | City of Peterborough (B) | City of Peterborough (B) |
| Cysgod Y Berwyn | Ceiriog Ucha | Wrecsam / Wrexham | Wrecsam / Wrexham |
| Cysgod Y Bryn | Llanfarian | Sir Ceredigion / Ceredigion | Sir Ceredigion / Ceredigion |
| Cysgod Y Castell | Builth | Powys / Powys | Powys / Powys |
| Cysgod Y Coed | Llanddowror | Sir Gaerfyrddin / Carmarthenshire | Sir Gaerfyrddin / Carmarthenshire |
| Cysgod Y Dderwen | Newport | Sir Benfro / Pembrokeshire | Sir Benfro / Pembrokeshire |
| Cysgod Y Gaer | Llanfihangel Ystrad | Sir Ceredigion / Ceredigion | Sir Ceredigion / Ceredigion |
| Cysgod Y Llan | Llanddewi Brefi | Sir Ceredigion / Ceredigion | Sir Ceredigion / Ceredigion |
| Cysgod Y Llan | Llanelli | Sir Gaerfyrddin / Carmarthenshire | Sir Gaerfyrddin / Carmarthenshire |
| Cysgod-y-bryn | Rhos-on-Sea | Conwy / Conwy | Conwy / Conwy |
| Cysgod-y-coed | Pencarreg | Sir Gaerfyrddin / Carmarthenshire | Sir Gaerfyrddin / Carmarthenshire |
| Cysgod-y-fro | Pontardawe | Castell-nedd Port Talbot / Neath Port Talbot | Castell-nedd Port Talbot / Neath Port Talbot |
| Cysgod-y-graig | Pembrey and Burry Port Town | Sir Gaerfyrddin / Carmarthenshire | Sir Gaerfyrddin / Carmarthenshire |
| Cysgod-y-graig | Denbigh | Sir Ddinbych / Denbighshire | Sir Ddinbych / Denbighshire |
| Cysgodfa | Denbigh | Sir Ddinbych / Denbighshire | Sir Ddinbych / Denbighshire |
| Cystennin Road | Llandudno | Conwy / Conwy | Conwy / Conwy |
| Cytir Lane | Pentir | Gwynedd / Gwynedd | Gwynedd / Gwynedd |
| Cytir Lane | Bangor | Gwynedd / Gwynedd | Gwynedd / Gwynedd |
| Cytringan Close | St. Peter's | Kettering District (B) | Northamptonshire County |
| Cyttir Road | Holyhead | Sir Ynys Mon / Isle of Anglesey | Sir Ynys Mon / Isle of Anglesey |
