- St Ambrose Road
- St Ambrose Road (1)
- St Davids Crescent
- St Davids Hospital
- St Davids Hospital (1)
- St Denis Road
- St Denis Road (1)
- St Denys Church
- St Denys Church (1)
- St Ederyn's Road
- St Ederyn's Road (1)
- St Ederyns
- St Fagans Church
- St Fagans Church (1)
- St Fagans Church (2)
- St Fagans Museum
- St Fagans Rise
- St Fagans Terminus
- St Francis Centre
- St Francis School
- St Gowan Ave
- St Gowan Avenue
- St Hilary Church
- St Illtyd`s High School
- St Ina Road
- St Josephs Convent
- St Malo Road
- St Mary's Church
- St Mary's School
- St Mellons Country Club
- St Mellons Police Station
- St Michael`s Close
- St Peter's Street
- St Saviours
- St Saviours (1)
- St Teilo's
- Stacey Road
- Stacey Road (1)
- Station Road
- Station Road (1)
- Sterling Close
- Stockland Street
- Stockland Street (1)
- Stockland Street (2)
- Strathnairn Street
- Strathnairn Street (1)
- Stuart Street
- Suffolk House
- Suffolk House (1)
- Summerfield Place
- Swinton Street
- Sycamore Tree Close
- Taffs Well
- Taffs Well (1)
- Taffs Well Railway Station
- Taffs Well Railway Station (1)
- Talbot Street
- Talworth Street
- Tangmere Drive
- Tangmere Drive (1)
- Tarwick Drive
- Tarwick Drive (1)
- Tatem Drive
- Tatham Road
- Tatham Road (1)
- Taunton Crescent
- Taymuir Road
- Taymuir Road (1)
- Thackeray Crescent
- Thackeray Crescent (1)
- The Cottage
- The Deri
- The Deri (1)
- The Fairwater
- The Fairwater (1)
- The Farthings
- The Farthings (1)
- The Flourish
- The Flourish (1)
- The Insole
- The Maltings
- The Mount
- The Oaks
- The Paddock
- The Parade
- The Pendine
- The Philog
- The Philog (1)
- The Philog (2)
- The Potteries
- The Shires
- The Shires (1)
- The Woodlands
- The Woodlands (1)
- Thompsons Park
- Thornhill Crematorium
- Thornhill Crematorium (1)
- Thornhill Road
- Thornhill Road (1)
- Three Arches Avenue
- Three Arches Avenue (1)
- Three Elms
- Three Elms (1)
- Timbers Square
- Timbers Square (1)
- Tin Street
- Ton-yr-Ywen Avenue
- Torrens Drive
- Torrens Drive (1)
- Towyn Road
- Towyn Road (1)
- Training Centre
- Travellers Rest
- Travellers Rest (1)
- Trebanog Crescent
- Tredelerch Road
- Trefaser Crescent
- Treharris Street
- Tresigin Road
- Tresillian Way
- Triscombe Drive
- Trowbridge Road
- Trowbridge Road (1)
- Trowbridge Road (2)
- Tudor Street B
- Tudor Street Lane
- Turberville Place
- Ty Cerrig
- Ty Cerrig (1)
- Ty Coch Court
- Ty Fry Road
- Ty Fry Road (1)
- Ty Glas
- Ty Gwyn
- Ty Gwyn Road
- Ty Gwyn Sch
- Ty Gwyn School
- Ty Maeth
- Ty Maeth (1)
- Ty Mawr Avenue
- Ty Mawr Road
- Ty Mawr Road (1)
- Ty Nant Road
- Ty Newydd Ely 1
- Ty Newydd Ely 2
- Ty Rhiw
- Ty Rhiw Community Centre
- Ty Rhiw Middle
- Ty Wern Road
- Tydfil Place
- Tydfil Place (1)
- Tyn y Parc Road
- Tyn y Parc Road (1)
- Tyndall Street
- Tyndall Street (1)
- Tynewydd
- University Hall
- University Hall (1)
- University RE
- Usk Road
- Usk Road (1)
- Vaindre Lane
- Velindre Hospital
- Velindre Hospital (1)
- Vellacott Close
- Ventnor Place
- Victoria Park
- Victoria Park (1)
- Victoria Park 1
- Victoria Park 3
- Village Hotel
- Walker Road
- Watchet Close
- Waterhall Road
- Waterhall Road (1)
- Waterloo Gardens
- Waterloo Gardens (1)
- Waterloo Road
- Waun-gron Park
- Waungron Park Station
- Waungron Park Station (1)
- Waungron Road
- Wellfield Road
- Wellington Street
- Wellwood
- Wellwood (1)
- Wellwright Road
- Welsh Government Offices RL
- Welwyn Road
- Welwyn Road (1)
- Wenallt Road
- Wenallt Road (1)
- Wentloog Business Park
- Wentloog Corporate Park
- Wentloog Rd
- Werfa Street
- Wern Fawr Lane
- Wern Goch
- Wern Goch (1)
- Wern Goch East
- Wern Goch East (1)
- Wessex St
- West Grove 2
- West Grove 3
- West Grove 4
- West Grove 5
- Western Avenue
- Western Cemetery
- Western Cemetery (1)
- Western Drive
- Westfield Road
- Westgate Street KD
- Westgate Street KG
- Westgate Street KH
- Westgate Street KL
- Westgate Street KM
- Westgate Street KN
- Westgate Street KP
- Westminster Crescent
- Westminster Drive
- Westminster Drive (1)
- Whitaker Road
- Whitchurch (Cardiff)
- Whitchurch Hospital
- Whitchurch Hospital (1)
- Whitchurch Library
- Whitchurch Library (1)
- Whitchurch Library (2)
- White Lodge
- Whitland Close
- Wild Gardens Rd
- Wilfred Brook House
- Wilfred Brook House (1)
- Willowbrook Drive
- Willowbrook School
- Willowdale Road
- Willowdene Way
- Willows Avenue
- Willows Avenue (1)
- Wilson Road
- Wilson Road (1)
- Windway Road
- Windway Road (1)
- Wingfield Road
- Witla Court
- Wolf's Castle
- Wolf's Castle (1)
- Wolf's Castle Avenue
- Wolf`s Castle Avenue
- Wood Street JA
- Wood Street JB
- Wood Street JR
- Woodfield Avenue
- Woodside Court
- Woodville Road
- Woodville Road (1)
- Woolaston Avenue
- Woolaston Avenue (1)
- Worle Avenue
- Worle Avenue (1)
- Wyevale Garden Centre
- Wyevale Garden Centre (1)
- Wyndham Arcade JE
- Wyndham Crescent
- Wyndham Crescent (1)
- Wyndham Crescent (2)
- Wyndham Crescent (3)
- Wyndham Road
- Wyndham Street
- Wynnstay Close
- Ynys Bridge
- Ynys Bridge (1)
- Ynys Bridge (2)
- Ynys Bridge (3)
- Ynys Bridge East
- Youghal Close
- Youghal Close (1)
- Ysgol Bro Edern
- Ysgol Bro Edern (1)
- Ysgol Glantaf
- Ystrad Street