Planning Applications Merthyr Tydfil

Explore, search and filter planning application data for Merthyr Tydfil Council. This page provides a comprehensive list of all Postcodes and Street Names within the Merthyr Tydfil Local Authority area, making it easy to search and track planning applications specific to this region. Stay informed on local developments and access detailed planning data for better decision-making. Whether you're a professional or looking to buy a home, this data helps you understand planning activity and potential future changes in your area. Use our easy-to-navigate interface to quickly filter by postcode, street name, or application type to find the most relevant information for your needs.

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uid Authority Size State Type Decision Appeal Ref. Description Address Map Earliest Date Url Share lat lng UUID
P/25/0281 Merthyr Tydfil Not known Not known Full Erection of 2 No. dwellings Builders Yard Elwyn Drive Twynyrodyn Merthyr Tydfil CF47 0NJ 24/10/2025 00:00:00 https://publicaccess.merthyr.gov.uk/online-applications/applicationDetails.do?activeTab=summary&keyVal=T4HA9QKQ03I00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323831 51.7444 -3.3691 1724572
P/25/0249 Merthyr Tydfil Small Not known Conditions Discharge of conditions 3 Archaeologist, 4 WPP and 5 CEMP Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE 23/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323439 51.7568 -3.3905 1485034
P/25/0276 Merthyr Tydfil Small Not known Not known Rear extension 1 Penygarn Ponsticill Merthyr Tydfil Cf48 2TY 22/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323736 51.7894 -3.3706 6892062
P/25/0277 Merthyr Tydfil Not known Not known Conditions Discharge conditions 3 (boundary treatments), 4 (external materials), 5 (Retaining Walls), 10 (external lighting) and 12 (planting scheme) of planning permission P/23/0133. Former Ynysgau Chapel Wyndham Street Troedyrhiw Merthyr Tydfil CF48 4JY 22/10/2025 00:00:00 https://publicaccess.merthyr.gov.uk/online-applications/applicationDetails.do?activeTab=summary&keyVal=T0ONY8KQKWT00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323737 51.7118 -3.3455 3326771
P/25/0278 Merthyr Tydfil Small Not known Full Remove conservatory and chimney; remove and replace the roof including increasing the ridge height of the property; construct a two-storey front extension; install a balcony along the front elevation; and erect a two-storey side extension incorporating outdoor living space and balcony. Summerfield 8 Pontsarn Close Pontsarn Merthyr Tydfil CF48 2TW 22/10/2025 00:00:00 https://publicaccess.merthyr.gov.uk/online-applications/applicationDetails.do?activeTab=summary&keyVal=T4FULQKQLLP00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323738 51.7756 -3.383 6678435
P/25/0280 Merthyr Tydfil Small Not known Full The change of use of ground floor 51 Perrott Street from a shop (A1) to a self-contained flat (C3). 51 Perrott Street Treharris CF46 5ET 22/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323830 51.665 -3.3044 3967651
P/25/0279 Merthyr Tydfil Small Not known Full Refurbishment of existing flats to include new rear dormer, alterations to windows and doors, improvements in fire proofing and repairs to rear garden wall. 54A And 54B High Street Dowlais Merthyr Tydfil CF48 3PW 21/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323739 51.764 -3.34 4755796
P/25/0282 Merthyr Tydfil Not known Not known Conditions Discharge of conditions 3 (biodiversity enhancement) and 4 (surface water drainage) of planning permission P/25/0179 for the creation of parking area in front garden with associated retaining works 114 Cilhaul Treharris CF46 5HT 21/10/2025 00:00:00 https://publicaccess.merthyr.gov.uk/online-applications/applicationDetails.do?activeTab=summary&keyVal=T4SF4VKQ01D00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323832 51.6702 -3.3052 9735570
P/25/0273 Merthyr Tydfil Small Not known Not known Permission reference P/07/0641 dated 20/11/2009 is for the erection of two detached dwellings (Full). One of the two dwellings was built, but the other was not started. The building of the second dwelling should now be confirmed as a lawful use with the issue of a certificate of lawfulness for a proposed use or development. Tawelwch Hill View Drive Bedlinog Treharris CF46 6TQ 20/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323733 51.7013 -3.312 4796247
P/25/0274 Merthyr Tydfil Small Not known Full Mobile home Penbwlcha Farm Twynygarreg Treharris CF46 5RN 20/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323734 51.6686 -3.3196 6958424
P/25/0275 Merthyr Tydfil Small Not known Advertising Assorted signage Cyfarthfa Park - Grounds Cyfarthfa Park Merthyr Tydfil CF47 8RE 17/10/2025 00:00:00 https://publicaccess.merthyr.gov.uk/online-applications/applicationDetails.do?activeTab=summary&keyVal=T4A7QSKQLL200 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323735 51.7543 -3.391 5783478
P/25/0272 Merthyr Tydfil Small Not known Heritage The proposed works comprise: - Refurbishment of main WCs and secondary, currently disused, WCs. - Upgrades to and expansion of CCTV provision internally. - Upgrades to 2 no. external CCTV cameras - existing fixings to be reused. - Introduction of improved and more energy efficient exhibition lighting. - Installation of Wi-Fi throughout the museum spaces Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE 16/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323732 51.7566 -3.3901 9308317
P/25/0215 Merthyr Tydfil Small Not known Full Two storey and single storey extension to rear, porch to front. 12 Royal Crescent Gwaunfarren Road Penydarren Merthyr Tydfil CF47 9LA 15/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323135 51.7576 -3.37 8733799
P/25/0270 Merthyr Tydfil Small Not known Full Proposed cladded container to accommodate household storage 36 Vernon Close Penyard Merthyr Tydfil CF47 0HY 14/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323730 51.7491 -3.3671 3113145
P/25/0271 Merthyr Tydfil Small Not known Trees Carry out the following works to trees listed: T2- Reduce eastern stem height by 3m, T3- Reduce crown by 3-4m, T4- Reduce crown by 4m, T5,T6,T7- Fell (dead trees), T8- Remove partially failed limb, T10- Reduce crown by 1-2m, T11- Reduce crown by 1-2m Goitre Coed Fach Farm Goitre-coed Road Treharris CF46 5BB 14/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323731 51.6595 -3.313 7319315
P/25/0267 Merthyr Tydfil Small Permitted Not known Change of use from agricultural land to domestic garden and retention of garden shed 10 Dan Y Coed Pontsticill Merthyr Tydfil CF48 2UA 10/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323637 51.7918 -3.3708 2045011
P/25/0265 Merthyr Tydfil Small Not known Full Demolition of existing buildings and development of a restaurant with drive-thru facility (Use Class A3) including access and cycle path, servicing, car parking, hard and soft landscaping, advertisements and other associated works Land To The North Of The Heads Of The Valleys Road Off Rhymney Common Road Dowlais Merthyr Tydfil CF48 2YG 09/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323635 51.7672 -3.3351 523714
P/25/0266 Merthyr Tydfil Small Not known Advertising Signage to proposed drive-thru restaurant building and within the site Land To The North Of The Heads Of The Valleys Road Off Rhymney Common Road Dowlais Merthyr Tydfil CF48 2YG 09/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323636 51.7672 -3.3351 9776022
P/25/0268 Merthyr Tydfil Small Not known Full Two storey side extension, single storey rear extension, decking and other external alterations 7 Caradoc Street Merthyr Tydfil CF47 8SS 09/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323638 51.7532 -3.3831 2019101
P/25/0263 Merthyr Tydfil Small Not known Full Conversion of the existing office into an annex consisting of a bedroom and associated living spaces Ger Y Nant Cardiff Road Treharris CF46 5NB 08/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323633 51.6642 -3.3153 5289862
P/25/0264 Merthyr Tydfil Small Not known Amendment Non material amendment to application P/25/0151 to include biodiversity enhancements required by condition 3 and to vary wording of conditions 4, 6 & 8 to change the timings for submission of information. Y Goedwig Cardiff Road Treharris CF46 5NB 08/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323634 51.6643 -3.3169 8133370
P/25/0269 Merthyr Tydfil Small Not known Full Proposed change of use from dwelling to a 8 bedroom House in Multiple Occupation all with en-suites 6 Cardiff Road Troedyrhiw Merthyr Tydfil CF48 4LB 08/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323639 51.7124 -3.3446 2258638
P/25/0262 Merthyr Tydfil Small Permitted Not known One dwelling (outline application) Maesyfynnon House, Ponsticill Merthyr Tydfil 07/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323632 9882835
P/25/0256 Merthyr Tydfil Small Not known Conditions Variation of condition 1 of planning permission P/95/0607 to enable up to 175sqm of the floorspace to be used for the sale of convenience goods and unrestricted ancillary comparison goods. Unit E Dowlais Top Retail Park Merthyr Tydfil CF48 2TA 03/10/2025 00:00:00 https://publicaccess.merthyr.gov.uk/online-applications/applicationDetails.do?activeTab=summary&keyVal=T33EAAKQLCQ00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323536 51.7681 -3.3401 1698661
P/25/0143 Merthyr Tydfil Small Permitted Full Erection of crowd barrier with gates, 2no. dugout bases and the siting of 2 no. storage containers Pentrebach Playing Fields Duffryn Road Pentrebach Merthyr Tydfil CF48 4BJ 02/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30313433 51.7242 -3.357 6251182
P/25/0260 Merthyr Tydfil Small Not known Full Alterations to windows and doors to the front elevation and proposed hardstanding within the rear garden 48 Barrack Row Dowlais Merthyr Tydfil CF48 3NF 02/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323630 51.7665 -3.3535 5249411
P/25/0261 Merthyr Tydfil Small Not known Conditions Discharge of conditions 5 (Retaining Works), 6 (Boundaries), 9 (External Lighting), 11 (Delivery and Servicing Management Plan) and 12 (Non-native Invasive Species Strategy) of planning permission P/24/0200 relating to a new coffeeshop with drive-thru facility. Land Adjacent To Aberdare Road Roundabout Cyfarthfa Retail Park Swansea Road Merthyr Tydfil 02/10/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323631 51.748 -3.3925 910516
P/25/0257 Merthyr Tydfil Small Not known Full Erection of a first floor extension, change of use to an office and associated external works including new shopfront 62C High Street Cefn Coed Merthyr Tydfil CF48 2PL 30/09/2025 00:00:00 https://publicaccess.merthyr.gov.uk/online-applications/applicationDetails.do?activeTab=summary&keyVal=T3ENRUKQLER00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323537 51.761 -3.4021 1271408
P/25/0258 Merthyr Tydfil Small Not known Conditions Discharge condition 3 (biodiversity enhancements) of planning permission P/25/0106 Garth Farm Garth Lane Pant CF48 2YA 30/09/2025 00:00:00 https://publicaccess.merthyr.gov.uk/online-applications/applicationDetails.do?activeTab=summary&keyVal=T2OCG5KQL9Q00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323538 51.7765 -3.358 7532942
P/25/0259 Merthyr Tydfil Small Not known Full Single storey infill extension to rear and new windows and doors to sunroom Highcroft Queens Road Twynyrodyn Merthyr Tydfil CF47 0HE 30/09/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323539 51.7487 -3.3724 1404132
P/25/0216 Merthyr Tydfil Small Not known Full Partial demolition and like for like rebuilding of a 9m section of existing stone retaining wall, including reinstatement of coping stones and railings Northern Boundary Wall At Site Of The Former Ysgol Santes Tudful School Queens Road Twynyrodyn Merthyr Tydfil 29/09/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323136 51.7501 -3.3726 2446354
P/25/0255 Merthyr Tydfil Small Not known Full Erection of front garden boundary railing 22 Cedar Close Twynyrodyn Merthyr Tydfil CF47 0LX 25/09/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323535 51.7443 -3.361 4008102
P/25/0253 Merthyr Tydfil Small Not known Full Erection of dwelling with associated parking and external works 63 Brecon Rise Pant Merthyr Tydfil CF48 2EE 24/09/2025 00:00:00 https://publicaccess.merthyr.gov.uk/online-applications/applicationDetails.do?activeTab=summary&keyVal=T32XJIKQLCG00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323533 51.7735 -3.3541 1978649
P/25/0254 Merthyr Tydfil Small Not known Full Construct two storey side garage extension 46 Garden City Penydarren Merthyr Tydfil CF47 9YT 24/09/2025 00:00:00 https://publicaccess.merthyr.gov.uk/online-applications/applicationDetails.do?activeTab=summary&keyVal=T33BFNKQLCN00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323534 51.7606 -3.3666 8067008
P/25/0204 Merthyr Tydfil Small Not known Full Conversion of vacant chapel to 6 no. self contained flats Brynhyfryd Chapel Thomas Street Treharris CF46 5AA 23/09/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323034 51.6629 -3.3063 9801932
P/25/0252 Merthyr Tydfil Small Not known Full Extension to detached garage Garage On Cilsanws Lane Cilsanws Lane Cefn Coed CF48 2NU 23/09/2025 00:00:00 https://publicaccess.merthyr.gov.uk/online-applications/applicationDetails.do?activeTab=summary&keyVal=T3182HKQ03I00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323532 51.7647 -3.4084 9908746
P/25/0250 Merthyr Tydfil Small Conditions Conditions Discharge of Condition 3 (External Lighting) and Condition 4 (Obscure windows) of planning permission P/24/0199 for the change of use from community hall (D2 Use Class) to a residential bungalow Former Bontnewydd Hall Bontnewydd Terrace Trelewis CF46 6AB 18/09/2025 00:00:00 https://publicaccess.merthyr.gov.uk/online-applications/applicationDetails.do?activeTab=summary&keyVal=T2UD8EKQ01D00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323530 51.6666 -3.2968 9588306
P/25/0251 Merthyr Tydfil Small Not known Full Proposed replacement dwelling 106 Heolgerrig Heolgerrig Merthyr Tydfil CF48 1TD 16/09/2025 00:00:00 https://publicaccess.merthyr.gov.uk/online-applications/applicationDetails.do?activeTab=summary&keyVal=T2OQE4KQL9Z00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323531 51.7436 -3.41 549625
P/25/0248 Merthyr Tydfil Small Conditions Conditions Discharge of condition 3 of permission P/25/0087 nominated archaeologist Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE 15/09/2025 00:00:00 https://publicaccess.merthyr.gov.uk/online-applications/applicationDetails.do?activeTab=summary&keyVal=T2DGR5KQL7V00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323438 51.7561 -3.3886 5009874
P/25/0122 Merthyr Tydfil Small Permitted Advertising Advertisement consent for two promotional panel banners. Greenhill Manor Care Home Duffryn Road Pentrebach Merthyr Tydfil CF48 4BE 11/09/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30313232 51.7263 -3.3602 6317544
P/25/0239 Merthyr Tydfil Small Permitted Full Retention of outbuilding for dog grooming parlour with garden shed and re-profiling of ground levels 74 Swansea Road Clwydyfawr Merthyr Tydfil CF48 1HR 11/09/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323339 51.7533 -3.4123 7706117
P/25/0245 Merthyr Tydfil Small Not known Conditions Discharge of conditions 3 (Material Finishes) and condition 4 (Retaining Works) of planning permission P/22/0298 relating to a residential scheme. Land At Springfield Rise Treharris 11/09/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323435 51.6674 -3.3086 3540398
P/25/0246 Merthyr Tydfil Small Not known Conditions Discharge of conditions 3 (Material Finishes) and condition 4 (Retaining Works) of planning permission P/21/0416 relating to a residential scheme. Land At Springfield Rise Treharris 11/09/2025 00:00:00 https://publicaccess.merthyr.gov.uk/online-applications/applicationDetails.do?activeTab=summary&keyVal=T2OGHJKQ03I00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323436 51.6673 -3.3084 6037555
P/25/0247 Merthyr Tydfil Small Not known Full New storage unit with office JLC Groundwork Contractors Ltd Willow Works Abercanaid Industrial Estate Abercanaid Merthyr Tydfil CF48 1YF 10/09/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323437 51.7359 -3.373 5890291
P/25/0242 Merthyr Tydfil Small Not known Full Retention of granny annexe and gym and other associated works Bryn Eira Winch Fawr Road Heolgerrig Merthyr Tydfil CF48 1TF 09/09/2025 00:00:00 https://publicaccess.merthyr.gov.uk/online-applications/applicationDetails.do?activeTab=summary&keyVal=T2BDWQKQ01D00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323432 51.745 -3.4067 8987877
P/25/0243 Merthyr Tydfil Small Permitted Full Proposed conversion of integral garage to lounge with associated alterations 24 Cyfarthfa Gardens Cefn Coed Merthyr Tydfil CF48 2SE 08/09/2025 00:00:00 https://publicaccess.merthyr.gov.uk/online-applications/applicationDetails.do?activeTab=summary&keyVal=T29FYPKQ03I00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323433 51.7577 -3.3974 9695119
P/25/0240 Merthyr Tydfil Small Permitted Full Two storey rear extension and creation of parking area to the front with associated re-profiling and retaining works 13 Tyntaldwyn Road Troedyrhiw Merthyr Tydfil CF48 4NG 04/09/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323430 51.7125 -3.344 229185
P/25/0241 Merthyr Tydfil Small Not known Conditions Discharge of condition 3 (Material Finishes) of planning permission P/24/0140 relating to a residential development. Cefn Isaf Flats Pontycapel Road Cefn Coed CF48 2RA 03/09/2025 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323431 51.7594 -3.4031 8626986
P/25/0237 Merthyr Tydfil Small Permitted Not known Proposed new single storey side extension and demolition of outbuilding 29 Kingfisher Crescent Merthyr Vale Merthyr Tydfil CF48 4TL 02/09/2025 00:00:00 https://publicaccess.merthyr.gov.uk/online-applications/applicationDetails.do?activeTab=summary&keyVal=T1PCA8KQ01D00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323337 51.6903 -3.3416 3433585
P/25/0238 Merthyr Tydfil Small Permitted Full Rear dormer and change extension roof from pitched to flat. 7 The Park Treharris CF46 5RH 02/09/2025 00:00:00 https://publicaccess.merthyr.gov.uk/online-applications/applicationDetails.do?activeTab=summary&keyVal=T1WULIKQ01D00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32352F30323338 51.6653 -3.3087 6357995
*The planning statistics displayed are carefully compiled from publicly accessible data on local authority and governmental sites. Due to the dynamic nature of planning decisions, some data may vary as updates are made by the authorities. While we aim to capture the most current data, and progressively work to infill historic data, some applications or appeal outcomes may be subject to ongoing review or change, and due to techincal limitations.

CF24 Pengam, Plas Newydd, Plasnewyd, Roath, Splottlands, Splott, Cardiff

CF39 Evanstown, Bridgend, Gilfach Goch, Hendreforgan, Hendre-Forgan, Porth, Tonyrefail, Coedely, Coed Ely, Rhondda Cynon Taff

CF44 Ystradfellte, Powys, Aberaman, Aberdare, Aber-nant, Cwmaman, Cwmbach, Cwmdare, Hirwain, Hirwaun, Llwydcoed, Penderyn, Penywaun, Rhigos, Rhondda Cynon Taff

CF46 Nelson, Caerphilly, Quakers Yard, Treharris, Merthyr Tydfil

Ael-Y-Bryn, Ashgrove, B4255, Bargoed Terrace, Beddoe Terrace, Bedlinog, Bedlinog Terrace, Bedw Road, Beechcroft, Bontnewydd Terrace, Brecon Walk, Brotalwg, Bryngerwn Avenue, Caerphilly Road, Captains Hill, Cardiff Road, Chapel Street, Cherry Tree Way, Claremont Drive, Coly Row, Commercial Street, Commercial Terrace, Edward Street, Edwards Terrace, Edwardsville, Evan Street, Fair View, Fell Street, Field Street, Fir Tree Drive, Forest Grove, Forest Road, Fox Street, Garth Terrace, Gelligaer Road, George Street, Glynbargoed Close, Goitre Coed, Goitre-Coed Road, Grove Terrace, Harris Court, Heather Court, Heol Coflorna, Heol Nant Caiach, High Street, Highfield Rise, Hilltop Close, Hylton Terrace, Ivy Close, John Street, Lewis Street, Maen Ganol, Maen Gilfach, Maes-Y-Bedw, Manor Court, Mary Street, Mill Street, Millfield, Moriah Street, Mount Pleasant, Muriel Terrace, Nant Gwyn, Oakland Street, Old Station Yard, Pandy View, Pantanas, Parc Wenallt, Park Lane, Penn Street, Pentwyn Deintyr, Pentwyn Road, Perrott Place, Perrott Street, Pleasant View, Powell Street, Pritchard Street, Prosser Street, Quakers Yard, Railway Street, Rodericks Terrace, Shingrig Road, Shire Court, Springfield Rise, St Mary Street, Station Terrace, Susannah Place, Taff Vale Estate, The Ferns, The Oaks, The Park, Thomas Street, Thornwood, Thornwood Place, Tram Road Side, Treharne Park, Treharne Road, Treharris, Trelewis, Twynygarreg, Ty Llwyd Parc, Tyn-Y-Banwen Road, Upper High Street, Warren Terrace, Webster Street, West View Crescent, Westwood Drive, Williams Terrace, Windsor Place, Windsor Road, Woodland Place, Woodlands Avenue

CF47 Dowlais, Merthyr Tudful, Merthyr Tydfil, Mertyr Tydfil, Merthyr Tydfil

Abermorlais, Alder Grove, Alexandra Close, Alexandra Road, Alfred Street, Alma Street, Aneurin Crescent, Arbutus Close, Arfryn Place, Argyle Street, Ash Crescent, Ashlea Drive, Baden Terrace, Beech Grove, Bethesda Street, Billingham Crescent, Birch Grove, Bishops Grove, Blackthorn Avenue, Blaenau'r Cwm, Brecon Road, Brickfield Crescent, Brooklands Close, Brunswick Street, Brychan Place, Bryn Street, Brynglas Street, Brynheulog Street, Brynhyfryd Street, Brynmorlais Street, Bryntirion Road, Bryony Close, Cae Mari Dwn, Caedraw Primary School, Caedraw Road, Caerhendy Street, Castle Street, Cedar Close, Cedar Way, Cherry Grove, Chestnut Way, Christopher Terrace, Church Street, Clare Street, Clos Cwm Golau, Clos Pencae, Clos Y Bryniau, Clover Road, Cobden Place, Corporation Street, Court Street, Crabapple Close, Cromwell Street, Cross Mardy Street, Cwrt Bevan, Cyfarthfa Court, Cyfarthfa High School, Cyfarthfa Junior School, Cypress Close, Cyres Street, Dane Street, Dane Terrace, Danyparc, Darren View, Dixon Street, Edward Close, Eighth Avenue, Eleventh Avenue, Elim Street, Elwyn Drive, Ernest Street, Fairview Terrace, Fir Tree Close, First Avenue, Forsythia Close, Fothergill Street, Fourth Avenue, Galon Uchaf, Galon Uchaf Road, Garden City, Garth Street, Gellifaelog Old Road, Gellifaelog Primary School, Gilfach-Cynon, Glasier Road, Glebeland, Glebeland Street, Goitre Lane, Graham Street, Graham Way, Grawen Terrace, Greenfield Terrace, Grove Park, Gurnos, Gurnos Road, Gwaelodygarth Close, Gwaelodygarth Road, Gwaunfarren Close, Gwaunfarren Grove, Gwaunfarren Primary School, Gwaunfarren Road, Gwladys Street, Hampton Street, Hankey Place, Hanover Street, Harrison Street, Hawthorn Avenue, Hawthorn Drive, Haydn Terrace, Heather Road, Heritage Court, High Street, Hillcrest, Hodges Street, Holly Way, Honeysuckle Close, Incline Top, James Street, Jasmine Close, John Street, Jones Terrace, Jowett Avenue, Kingsley Terrace, Lancaster Street, Larch Close, Lavender Road, Lewis Terrace, Llewellyn Street, Lloyds Terrace, Llwyn-Yr-Eos, Lower Thomas Street, Luther Lane, Luther Street, Magnolia Close, Mansfield Terrace, Maple Close, Mardy Close, Mardy Street, Margaret Street, Marigold Close, Market Square, Marshall Crescent, Mary Street, Masonic Street, Merthyr Road, Merthyr Tydfil, Meyrick Villas, Milbourne Close, Milbourne Terrace, Miles Street, Mitchell Crescent, Morgan Street, Morrell Street, Mount Street, Mount View, Mountain Hare, New Castle Street, Ninth Avenue, Norman Terrace, North Street, Oak Road, Oak Tree Rise, Palm Road, Pandy Close, Pantyffyn Road, Parc Brychan, Parfitt Terrace, Park Terrace, Pease Lane, Pen Gurnos, Penheolferthyr, Penlan View, Pentwyn Villas, Penuel Street, Penyard, Penydarren Gardens, Penydarren Park, Penydarren Road, Pen-Y-Dre, Penyfan View, Plane Grove, Plantation Close, Plymouth Street, Pontmorlais West, Poplar Way, Post Office Lane, Primrose Hill, Prince Charles Hospital, Quarry Row, Railway Terrace, Rees Street, River Walk, Riverside Park, Roberts Avenue, Roberts Lane, Rocky Road, Rowan Way, Sand Street, Sandbrook Place, Saxon Street, Second Avenue, Seward Street, Sixth Avenue, Spruce Tree Grove, Stuart Street, Summerhill Place, Sunnybank, Swan Street, Sycamore Road, Taff Glen View, Taff Vale Court, Talbot Square, Tanybryn Place, Tenth Avenue, The Grove, The Oval, The Parade, The Quar, The Rink, The Walk, Tramroad Lane, Tramroad Side North, Tramroad Side South, Tramroad Terrace, Trem Y Cwm, Trevithick Gardens, Tudor Terrace, Twelfth Avenue, Twynyrodyn, Twynyrodyn Road, Tygwyn Street, Tyllwyd Street, Union Street, Upper Thomas Street, Urban Street, Vernon Close, Victoria Street, Vincent Place, Vulcan Road, Wallhead Road, Walnut Way, Well Street, West Grove, Westbourne Place, Wheatsheaf Lane, Whitebeam Close, William Street, Williams Place, Williamstown, Willow Road, Windsor Terrace, Woodland Place, Woodland Terrace, Yew Close

CF48 Abercanaid, Aberfam, Aberfan, Bwrdeistref Sirol Merthyr Tudful, Cefn-coed-y-cymmer, County Borough of Merthyr Tydfil, Pont Sticill, Troed-y-rhiw, Troedyrhiw, Merthyr Tydfil

A4060, A470, Abercanaid, Aberdare Road, Aberfan, Aberfan Crescent, Aberfan Fawr, Alberta Street, Alma Street, Alma Terrace, Amelia Close, Andrews Close, Angus Street, Anthony Grove, Anthony Hill Court, Archer Street, Arthur Street, Ash Grove, Ash Road, Azalea Park, Balaclava Road, Barrington Street, Beacons Court, Beechwood Drive, Blaen Dowlais, Blanche Street, Bogey Road, Brewery Lane, Bridge Street, Broad Street, Bro-y-Ffrwd, Bryn Carwyn, Bryngoleu, Bryniau Road, Bryntaf, Cae Deri, Cae'r Wern, Caeracca Villas, Caerleon Grove, Caernarvon Grove, Canal Row, Canal Side, Cardiff Road, Cardiff Street, Carew Grove, Carlton Terrace, Carn Gwilym Goch, Castle Street, Castle View, Catherine Close, Ceredig Street, Chapel Banks, Chapel Street, Chepstow Close, Chester Close, Church Street, Church View, Cilsanws Lane, Clos Cribyn, Cloth Hall Lane, Coedcae Row, Coronation Place, Cottrell Street, Crabtree Walk, Crescent Street, Criccieth Grove, Cross Blanche Street, Cross King Street, Crud Yr Awel, Cwm Glo, Cwm Golau, Cwmdu Road, Cwmglo Road, Cyfarthfa Gardens, Cyfarthfa Mews, Cyfarthfa Road, Dan-Y-Deri Lane, Darren Las, Diana Street, Donald Street, Dowlais, Dowlais Primary School, Dowlais Top, Duffryn Fawr, Durham Close, Dynevor Street, East Street, Edward Street, Elm Street, Exeter Close, Fernhill Close, Francis Street, Garden Street, Gellideg, Georgetown, Georgetown Villas, Gernant Lane, Gethin Street, Glanmorlais, Glantaff Road, Glendower Street, Glyndwr Street, Glyndyrus Close, Goat Mill Road, Godre'r Coed Road, Graig Close, Graig Road, Graig Terrace, Grawen Lane, Gray's Place, Greenfield Court, Greenfield Gardens, Greenfield School, Guest Cottages, Gwladys Street, Hafod Street, Hamilton Street, Harlech Drive, Hawthorn Hill, Henry Richard Street, Heol Bonymaen, Heol Bryn Padell, Heol Corn Du, Heol Nantgau, Heol Parc Maen, Heol Parc-Y-Lan, Heol Rhos Las, Heol Rhyd-Y-Bedd, Heol S O Davies, Heol Tai Mawr, Heol Twyn Du, Heolgerrig, Heol-Y-Bryniau, Heol-Y-Castell, Heol-Y-Mynydd, Hermon Close, High Street, High Trees, Hill Street, Hillside Close, Holford Street, Hopkins Close, Houlson Street, Howell Close, Incline Side, Ivor Terrace, Kidwelly Grove, King Street, Kingfisher Crescent, Laburnum Lane, Lakeside Gardens, Linden Way, Llewelyn Street, Llwyn Berry, Llwyn-Yr-Eos, Lon Maes Du, Lower Vaynor Road, Mackintosh Street, Maen Dy, Maesgwynne, Maestaf Street, Maple Crescent, Market Street, Martin Close, Merthyr Road, Merthyr Vale, Mervyn Street, Monmouth Drive, Morlais Castle, Morlais Close, Morlais Street, Mount Pleasant, Mountain Rise, Moy Road, Muriel Terrace, Nant Morlais, Nantygwenith Street, New Church Street, New Road, Newton Street, Nightingale Street, Nixonville, Oakfield Street, Old Chapel Road, Old Church Street, Old School Close, Old Winch Fawr Road, Overton Street, Pant, Pant Road, Pantglas Fawr, Pantglas Road, Pantycelynen, Parc Cwm Pant Bach, Park Place, Pembroke Close, Pen Cerrig Rise, Pen Y Dyffryn, Penderyn Close, Penlan Street, Pentrebach, Pentrebach Road, Perthygleision, Phyllis Street, Pleasant View, Plymouth Gardens, Pontsarn Close, Pontsticill, Pontycapel Road, Poplar Place, Poplar Street, Queen Street, Raglan Grove, Rhydfach, Riverside Close, Rock Lane, Rowan Rise, Russell Street, Salisbury Close, Santes Tudful Grove, Sarah Street, School Road, Shirley Drive, Somerset Close, Somerset Lane, South Street, South Terrace, South View, St Donats Close, St Fagans Grove, Station Road, Station Terrace, Swansea Road, Taff Fawr Close, Tai Mawr Way, Tai-Yr-Efail, The Birchway, The Copse, The Green, The Grove, The Hafod, The Hawthorns, The Rise, Thomas Street, Thornbury Close, Trefechan, Triangle, Troedyrhiw, Twyncarmel, Tyntaldwyn Road, Upper High Street, Upper Row, Upper Union Street, Vaynor Lane, Vaynor Road, Victoria Street, Waun Cottages, Waunbant Court, Well Street, Wern Isaf, Wern Road, Wern Street, Wesley Place, Winch Fawr Park, Winch Fawr Road, Winchfawr, Wingfield Street, Winifred Street, Woodland Way, Worcester Close, Wyndham Street, Y Ganolfan, Y Graig, Yew Street, Ynysowen, Ynysowen Fach, York Close, Ysgol y Graig

CF82 Hengoed, Maesycwmmer, Maes y Cwmmer, Ystrad Mynach, Caerphilly

NP22 Nant-y-bwch, Sirhowy, Tredegar, Blaenau Gwent, Rhymney, Caerphilly