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.

Free Planning Application Alerts

You can Draw a shape on the map and specify criteria, our search system will monitor the drawn area for new planning applications and send you an email with the details

This is a completely free service from landcycle.com you just need an account

Displaying

FILTERED PLANNING APPLICATIONS

Visit the main Search Page or use the filters below

Planning Applications Map

Planning Applications List

The map above displays markers for different planning applications. Use the search box to zoom in and select planning applications in a certain area according to critera. You can navigate the map by clicking and dragging, and you can zoom in and out using the "+" and "-" buttons on the the map.

Use the Search panel and zoom in to search all planning applications in a specific area or customise with a draw-a-search, and filter Application Size, Type, State, Planning Inspectorate Appeals (if any) and use logical AND, OR and NOT queries against the description.

These searches can be saved to your free landcycle account, and our system will continously monitor for new planning applications that match the criteria and send you an Alert when we find new ones.

You can also filter planning applications across the country, or in selected Local Authorities using the table below. These will be displayed on the map.

uid Authority Size State Type Decision Appeal Ref. Description Address Map Earliest Date Url Share lat lng UUID
P/26/0213 Merthyr Tydfil Not known Not known Full Demolish existing garage and shed and construct new detached garage 22 Williamstown Merthyr Tydfil CF47 8PD 29/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30323133 51.7527 -3.3885 5715400
P/26/0211 Merthyr Tydfil Not known Not known Conditions Discharge of conditions 3 (Landscaping), 7 (Boundary treatments) and 10 (public sewer diversion) of planning permission P/25/0253 63 Brecon Rise Pant Merthyr Tydfil CF48 2EE 25/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30323131 51.7735 -3.3541 4794532
P/26/0212 Merthyr Tydfil Not known Not known Conditions Discharge of Condition3 of pllanning permission P/25/0199 Biodiversity Furnace Row Ash Road Troedyrhiw Merthyr Tydfil 24/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30323132 51.717 -3.3551 4901345
P/26/0176 Merthyr Tydfil Small Not known Full Erection of two storey side extension, and the repositioning of parking area and vehicular entrance. 36 Berry Square Dowlais Merthyr Tydfil CF48 3AL 23/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313736 51.7626 -3.3583 4580905
P/26/0208 Merthyr Tydfil Not known Not known Full Installation of additional 3 No. AC condensing units to flat roof services area. Specsavers High Street Merthyr Tydfil CF47 8BY 22/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30323038 51.7454 -3.3787 5542225
P/26/0209 Merthyr Tydfil Not known Not known Conditions Discharge of conditions 3 (boundary Details), 4 (Landscaping Scheme) and 8 (Retaining Works) of planning permission P/25/0167 relating to a dwelling. Land At Six Bells Heolgerrig Merthyr Tydfil CF48 1TU 21/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30323039 51.7466 -3.3986 2658265
P/26/0210 Merthyr Tydfil Not known Not known Full Demolition of the former Caersalem Chapel and the erection of 4 no. dwellings. Land At Caersalem Chapel The Rise Pant Merthyr Tydfil 21/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30323130 51.7721 -3.3552 1310143
P/26/0185 Merthyr Tydfil Small Not known Full Provision of Bin Store and repositioning of cycle store/hoops. Travel Inn Duffryn Road Pentrebach Merthyr Tydfil CF48 4BB 19/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313835 51.7251 -3.3599 2698717
P/26/0206 Merthyr Tydfil Small Not known Conditions Discharge of condition 3 of listed buildings consent ref P/26/0153 (replacement door and frame details) 1 Vulcan Court Vulcan Road Merthyr Tydfil CF47 8LZ 18/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30323036 51.7496 -3.3818 8532998
P/26/0207 Merthyr Tydfil Small Not known Conditions Discharge of condition 10 (site investigation and remediation) of planning permission P/24/0239 Land Adjacent To Lle Hyfryd Mount Pleasant Heolgerrig Merthyr Tydfil CF48 1RY 18/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30323037 51.7475 -3.4018 3685947
P/26/0201 Merthyr Tydfil Small Not known Full Change of use of house to three flats 32 High Street Cefn Coed Merthyr Tydfil CF48 2PG 17/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30323031 51.76 -3.3986 882890
P/26/0204 Merthyr Tydfil Small Not known Full New detached garage and store Park View Bungalow Penyard Road Merthyr Tydfil CF47 0HL 17/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30323034 51.7517 -3.3729 3980476
P/26/0205 Merthyr Tydfil Small Not known Full The erection of a convenience store (Class A1) with associated parking, landscaping, and replacement parking provision to serve the adjacent social club. Land Adjacent To Penydarren Social Club Alexandra Avenue Tramroad Lane Penydarren Merthyr Tydfil CF47 9AF 17/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30323035 51.754 -3.3713 4687718
P/26/0203 Merthyr Tydfil Small Not known Conditions Discharge of Condition 19 (boundary treatments) of planning permission P/25/0265 Land To The North Of The Heads Of The Valleys Road Off Rhymney Common Road Dowlais Merthyr Tydfil CF48 2YG 16/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30323033 51.7672 -3.3351 5221785
P/26/0202 Merthyr Tydfil Not known Not known Amendment Non material amendment to planning permission P/24/0130 to change ecological mitigation from a 20mm fascia gap to 10 No. bat soffit boxes Ty Bryn Seion North Street Dowlais Merthyr Tydfil CF48 3SR 15/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30323032 51.7611 -3.3569 3619585
P/26/0161 Merthyr Tydfil Small Not known Not known Lawful Development Certificate for proposed assorted extensions and works Cefn Fforest Farm Twynygarreg Treharris CF46 5RN 14/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313631 51.6749 -3.3156 8426184
P/26/0197 Merthyr Tydfil Small Not known Full Construction of four detached houses and new access road Rear Of Six Bells Heolgerrig Merthyr Tydfil CF48 1RP 10/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313937 51.7481 -3.4 4006387
P/26/0198 Merthyr Tydfil Small Not known Amendment Non-material amendment to two EV charging spaces as standard parking spaces Land To The South Of Cyfarthfa Retail Park Swansea Road Merthyr Tydfil CF48 1HY 10/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313938 51.748 -3.3926 9921571
P/26/0200 Merthyr Tydfil Small Not known Conditions Discharge of condition 3 (method statement for installation of mechanical ventilation system) of planning permission P/25/0308 for the installation of a ventilation system and refurbishment of Joseph Parry Cottage including, sand blast floor and ceiling, decorate the walls, new rear door, new accessible toilet, new vinyl floor, refurbish all windows including secondary glazing and new re-lay flag stones Joseph Parry's Cottage 4 Chapel Row Georgetown Merthyr Tydfil CF48 1BN 10/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30323030 51.7504 -3.3854 6864436
P/26/0194 Merthyr Tydfil Not known Not known Full Change of use of ground floor to A3 use and 1st 2nd & 3rd floors to 2 self contained flats 114 High Street Merthyr Tydfil CF47 8AP 09/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313934 51.7468 -3.3784 6035840
P/26/0195 Merthyr Tydfil Small Not known Full Demolition of existing nursery and erection of 4 No. three bedroom dwellings with access and parking Trefechan Nursery Rowan Rise Trefechan Merthyr Tydfil CF48 2EW 09/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313935 51.7696 -3.3973 3833212
P/26/0196 Merthyr Tydfil Small Not known Full Rear infill single storey extension, raise existing rear extension roof, and new doors to side elevation. Construction of detached garden room. 12 Fairview Terrace Twynyrodyn Merthyr Tydfil CF47 0RL 09/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313936 51.7412 -3.3725 7785304
P/26/0199 Merthyr Tydfil Not known Not known Full Construct single storey extension to the side of the property Deepdene Brewery Lane Cefn Coed Merthyr Tydfil CF48 2LP 09/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313939 51.7619 -3.4013 5929027
P/26/0192 Merthyr Tydfil Small Not known Conditions Variation of conditions 1 and 3 of permission P/24/0033 to amend the landscaping scheme and works to the platform. Quakers Yard Railway Station Taff Vale Estate Edwardsville Treharris CF46 5NJ 04/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313932 51.6604 -3.3231 4153652
P/26/0193 Merthyr Tydfil Small Not known Conditions Discharge of conditions 5 (historic environment mitigation) and 9 (Landscape and Ecological Management Plan) of planning permission P/26/0041 The Rose Retreat Spa Cyfarthfa Park Merthyr Tydfil CF47 8RE 04/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313933 51.7551 -3.3818 6823985
P/26/0190 Merthyr Tydfil Not known Not known Full Erect a storm porch to front elevation and replacement of roof over study area 1 St Marys Close Merthyr Tydfil CF47 8YS 02/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313930 51.7542 -3.3781 8812986
P/26/0191 Merthyr Tydfil Not known Not known Full First Floor Extension above existing ground floor extension. 6 Holford Street Cefn Coed Merthyr Tydfil CF48 2RN 02/09/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313931 51.7601 -3.4005 5501774
P/26/0188 Merthyr Tydfil Not known Permitted Amendment Non-material amendment to planning permission P/25/0336 to re-position the first floor en-suite window from the side elevation to the rear elevation 32 Cilhaul Treharris CF46 5HT 25/08/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313838 51.6705 -3.3048 5435411
P/26/0189 Merthyr Tydfil Not known Not known Full Removal of the existing tower and installation of new tower with new antennas and transmission dishes, emergency back up generator, cable gantry, feeder cables and associated access track, etc. National Grid Electricity Distribution South Wales Dowlais Grid Substation Pengarnddu Dowlais Merthyr Tydfil 25/08/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313839 51.7702 -3.3461 2978705
P/26/0187 Merthyr Tydfil Small Conditions Conditions Discharge of condition 9 (biodiversity enhancement) of planning permission P/25/0308 for the installation of a ventilation system and refurbishment of Joseph Parry Cottage including, sand blast floor and ceiling, decorate the walls, new rear door, new accessible toilet, new vinyl floor, refurbish all windows including secondary glazing and new re-lay flag stones 4 Chapel Row Georgetown Merthyr Tydfil CF48 1BN 24/08/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313837 51.7504 -3.3854 348824
P/26/0138 Merthyr Tydfil Small Permitted Full Demolish existing conservatory and construct a single storey rear extensions Ffostyll 18 The Hawthorns Pant Merthyr Tydfil CF48 2EJ 20/08/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313338 51.774 -3.3571 5582676
P/26/0186 Merthyr Tydfil Small Not known Advertising Installation of 3x fascia signs; a roof mounted projecting sign; a pole sign; a height barrier sign; exit, waiting bay and directional signs; a banner sign and 2 digital menu signs, (Advertisement) Land South Of Cyfarthfa Retail Park Swansea Road Merthyr Tydfil CF48 1HY 19/08/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313836 51.748 -3.3926 9881120
P/26/0184 Merthyr Tydfil Small Not known Advertising Display an array of adverts to the front and side of the premises Evans Halshaw Ltd Pentrebach Road Merthyr Tydfil CF48 1YA 17/08/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313834 51.7351 -3.3699 2297374
P/26/0181 Merthyr Tydfil Small Conditions Conditions Variation of condition 4 of planning permission P/25/0196 to indicate the maximum number of bed spaces accommodated within the care home shall not exceed 56 Jah Jireh Care Home Heads Of The Valleys Road Merthyr Tydfil CF44 0LX 13/08/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313831 51.7564 -3.443 5048610
P/26/0183 Merthyr Tydfil Small Permitted Not known Proposed refurbishment and expansion of existing guest accommodation and associated works Penrhadw Farm Vaynor Road Pontsticill Merthyr Tydfil CF48 2TU 13/08/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313833 51.7898 -3.3714 1483319
P/26/0179 Merthyr Tydfil Small Not known Full Install solar photo-voltaic panels on to the principal roof slope 54 Council Street Penydarren Merthyr Tydfil CF47 9DJ 11/08/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313739 51.7585 -3.3644 4834983
P/26/0180 Merthyr Tydfil Small Not known Full Widen existing vehicular access off Caedraw Road St Marys Roman Catholic Primary School Caedraw Road Merthyr Tydfil CF47 8HA 11/08/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313830 51.7431 -3.3796 2124199
P/26/0182 Merthyr Tydfil Small Permitted Advertising One freestanding non-illuminated directional sign Car Park Cyfarthfa Retail Park Swansea Road Merthyr Tydfil CF48 1HY 11/08/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313832 51.749 -3.394 2912343
P/26/0178 Merthyr Tydfil Small Not known Conditions Discharge of conditions 12 (Ecological Enhancements) and 17 (Affordable Housing) of planning permission P/25/0223 relating to a residential development. Land Adjacent To Hillcrest And Mitchell Crescent Penydarren Merthyr Tydfil 10/08/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313738 51.7628 -3.3671 7892118
P/26/0177 Merthyr Tydfil Small Not known Full Installation of solar photovoltaic car ports over part of the existing Abermorlais car park. Car Park Rear Of Civic Centre Glebeland Place Merthyr Tydfil CF47 8BH 07/08/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313737 51.7476 -3.3816 5608587
P/26/0094 Merthyr Tydfil Small Permitted Full Proposed installation of additional solar PV panels and associated infrastructure on the roof of the existing office building and energy centre building. Welsh Assembly Government Rhydycar Business Park Merthyr Tydfil CF48 1UZ 05/08/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30303934 51.7391 -3.3804 5114972
P/26/0174 Merthyr Tydfil Small Conditions Conditions Discharge of condition 3 (landscaping scheme) of planning permission P/25/0285 The erection of Passivhaus modular residential units, laundry, bin store, landscaping, parking and associated works Car Park At Hornbeam Close Gurnos Merthyr Tydfil CF47 9BW 31/07/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313734 51.7674 -3.3855 3940025
P/26/0164 Merthyr Tydfil Small Conditions Conditions Discharge of Conditions 7 (Contamination Remediation) and 11 (Ground Stability) of planning permission P/23/0131. Bishop Hedley High School Gwaunfarren Road Penydarren Merthyr Tydfil CF47 9AN 29/07/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313634 51.7577 -3.3718 7464864
P/26/0165 Merthyr Tydfil Not known Permitted Amendment Non-material amendment to planning permission P/23/0131 relating to the layout of the building associated with the plant area. Bishop Hedley High School Gwaunfarren Road Penydarren Merthyr Tydfil CF47 9AN 29/07/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313635 51.7568 -3.372 6890347
P/26/0173 Merthyr Tydfil Small Permitted Conditions Vary of Condition 2 of planning permission P/24/0206 to allow for the increased depth of the rear extension to enable the incorporation of an internal lift 148 High Street Merthyr Tydfil CF47 8DP 29/07/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313733 51.7435 -3.3783 1269692
P/26/0175 Merthyr Tydfil Small Not known Conditions Discharge of conditions 4 (Construction Traffic Management Plan) and 11 (Construction Environment Management Plan) of planning permission P/25/0223 relating to a residential development. Land Adjacent To Hillcrest And Mitchell Crescent Penydarren Merthyr Tydfil 29/07/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313735 51.7628 -3.3671 5475863
P/26/0171 Merthyr Tydfil Small Rejected Full Two storey rear extension incorporating a rear dormer. 1 Milbourne Close Twynyrodyn Merthyr Tydfil CF47 0UH 28/07/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313731 51.7367 -3.3682 201559
P/26/0172 Merthyr Tydfil Small Permitted Full Engineering works to lower ground level to create patio area and enable the construction of a single storey rear extension and alterations 39 Maple Crescent Trefechan Merthyr Tydfil CF48 2EH 28/07/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313732 51.7691 -3.3976 1336054
P/26/0169 Merthyr Tydfil Not known Conditions Conditions Discharge of condition 3 (Ecological enhancement) of planning permission P/26/0112 4 Bryntirion Street Dowlais Merthyr Tydfil CF48 3RY 24/07/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313639 51.7641 -3.3595 588361
P/26/0170 Merthyr Tydfil Small Conditions Conditions Discharge of Condition 9 (Invasive Non-Native Species Strategy) of planning permission P/25/0223 relating to a residential development. Land Adjacent To Hillcrest And Mitchell Crescent Penydarren Merthyr Tydfil 24/07/2026 00:00:00 /planning-applications/local-authority/MerthyrTydfil/uid/502F32362F30313730 51.7628 -3.3671 2831441
*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