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Planning applications in CF46

We hold 763 planning applications for the CF46 postcode area, 80 of them submitted in the past year. 90% of decided applications here were approved. A decision typically takes 54 days. The area is covered by Merthyr Tydfil, Caerphilly, Rhondda.

763
applications held
80
in the past year
90%
approved
54 days
median decision

Councils covering CF46

Merthyr Tydfil (438)Caerphilly (318)Rhondda (5)Ceredigion (2)

Recent applications in CF46

Pending
10 Sept 202626/0607/HH · Received: Thu 10 Sep 2026 · Validated: Thu 10 Sep 2026
Berth Gron Tydu Road Nelson Treharris CF46 6PHCaerphilly

Convert attic within the single storey wing of dwelling incorporating a raised ridge height and dormer extension(s); erect orangery; erect balcony and alterations to fenestration

Pending
10 Sept 202626/0607/HH · Received: Thu 10 Sep 2026 · Validated: Thu 10 Sep 2026
Berth Gron Tydu Road Nelson Treharris CF46 6PHCaerphilly

Convert attic within the single storey wing of dwelling incorporating a raised ridge height and dormer extension(s); erect orangery; erect balcony and alterations to fenestration

Pending
8 Sept 202626/0599/FULL · Received: Tue 08 Sep 2026 · Validated: Tue 08 Sep 2026
Land To Rear Of 2 High Street Nelson Treharris CF46 6EUCaerphilly

Demolish masonry wall and erect 4 No apartments and associated works

Pending
8 Sept 202626/0599/FULL · Received: Tue 08 Sep 2026 · Validated: Tue 08 Sep 2026
Land To Rear Of 2 High Street Nelson Treharris CF46 6EUCaerphilly

Demolish masonry wall and erect 4 No apartments and associated works

Pending
4 Sept 2026P/26/0192
Quakers Yard Railway Station Taff Vale Estate Edwardsville Treharris CF46 5NJMerthyr Tydfil

Variation of conditions 1 and 3 of permission P/24/0033 to amend the landscaping scheme and works to the platform.

Permitted
25 Aug 2026P/26/0188
32 Cilhaul Treharris CF46 5HTMerthyr Tydfil

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

Pending
Small
Development without complying with conds
13 Aug 202626/0545/NCC
ALDI Mafon Road Nelson Treharris CF46 6PECaerphilly

Vary condition 24 (Hours - delivery) of planning consent 24/0696/NCC (Vary condition 28 (Hours - delivery) of planning consent 24/0254/FULL (Demolish existing retail foodstore (Use Class A1) & replace with a new discount retail foodstore (Use Class A1) with reconfigured access and car parking, external lighting, drainage, landscaping, and other associated site works) to allow for hours for deliveries from 0600 until 2100 Monday-Saturday and from 0700 until 1800 Sunday and Bank Holidays) to extend the period of time

Pending
Small
Householder Application
6 Aug 202626/0539/HH
33 Heol Tasker Nelson Treharris CF46 6JBCaerphilly

Part demolish existing garage and erect a single storey extension

Pending
Small
Discharge of Condition
21 Jul 2026P/26/0168
2 Parc Wenallt Treharris CF46 5HXMerthyr Tydfil

Discharge condition 3 (planting scheme) of planning permission P/26/0024

Pending
15 Jul 2026P/26/0160
Cefn Fforest Farm Twynygarreg Treharris CF46 5RNMerthyr Tydfil

Prior Notification for demolition works

Pending
15 Jul 2026P/26/0161
Cefn Fforest Farm Twynygarreg Treharris CF46 5RNMerthyr Tydfil

Lawful Development Certificate for proposed assorted extensions and works

Pending
Small
Full
15 Jul 2026P/26/0162
20 Williams Terrace Treharris CF46 5HHMerthyr Tydfil

First floor rear extension

Pending
Small
Certificate Lawful Existing Use/Dev
2 Jul 202626/0449/CLEU
32 Mountain Way Nelson Treharris CF46 6NYCaerphilly

Obtain a Lawful Development Certificate to establish that the side extension was substantially completed more than 4 years prior to the submission of this application

Pending
1 Jul 2026P/26/0147
62 Westwood Drive Treharris CF46 5BLMerthyr Tydfil

Single storey rear extension

Permitted
Small
Certificate of Lawfulness
26 Jun 2026P/26/0142
17 Beechcroft Trelewis Treharris CF46 6BPMerthyr Tydfil

Construct pergola/canopy extension to the rear of the property

Pending
Small
Condition Discharge
18 Jun 202626/0422/COND
Land At Grid Ref 310441 193869 Craig-evan-leyshon Common Road LlanfabonCaerphilly

Discharge of condition 07 (Landscaping) to planning permission 25/0840/NCC (Vary conditions 2 (Plans), 7 (materials), 10 (Boundary treatments) and 11 (Verification report) of planning permission 23/0470/FULL (Erect a synchronous condenser with ancillary infrastructure and associated works including access and landscaping, and a cable connection to the adjacent existing substation for the purpose of supplying grid stability to the National Grid as part of their pathfinder 3 initiative)

Pending
Small
Condition Discharge
15 Jun 202626/0412/COND
Mynydd Eglwysilan Common Bwlch Carnygelli Road LlanfabonCaerphilly

Discharge condition 13 (TMP) of planning consent 25/0342/NCC (Vary condition 2 of 23/0427/DNS (Construct and operate up to 14 wind turbines and associated infrastructure including: hardstanding areas to include turbine foundations, crane hardstanding and laydown/storage area with associated micrositing allowances; electrical substation and control building with underground power cables; new access route connecting onto the A472; onsite access tracks, with pipeline and watercourse crossings; borrow pit(s); anemometer mast; temporary construction and storage compound with associated lay down areas near to the Site entrance; Habitat Management Area; and offsite works to facilitate the movement of abnormal loads such as the construction of over-run areas and temporary modifications to street furniture) to amend the approved plans to increase the rotor diameter of the wind turbines, increase the height of the on-site transformer, and enlarge the grid connection corridor)

Permitted
Small
Condition Discharge
11 Jun 202626/0400/COND
Llanfabon Infant School Bryncelyn Nelson Treharris CF46 6HLCaerphilly

Discharge condition 18 (Travel Plan) of planning consent 23/0452/LA (Erect two storey extension with single storey link and freestanding single storey childcare unit to amalgamate Llanfabon Infant and Llancaeach Junior Schools to form a new Primary School facility)

Permitted
Medium
Householder Application
9 Jun 202626/0398/HH
90 Heol Tasker Nelson Treharris CF46 6JBCaerphilly

Erect two-storey side extension with associated external works

Conditions
Small
Discharge of Condition
2 Jun 2026P/26/0116
11 Heather Court Quakers Yard Treharris CF46 5RPMerthyr Tydfil

Discharge of condition 4 (biodiversity enhancement) of planning permission P/25/0129 for two storey rear extension

Refused
Small
Certificate Lawful Existing Use/Dev
26 May 202626/0366/CLEU
Brynela Llwyncelyn Terrace Nelson Treharris CF46 6HFCaerphilly

Obtain a Lawful Development Certificate for existing use of stables

Pending
Small
Householder Application
21 May 202626/0367/HH
1 Ashgrove Terrace Nelson Treharris CF46 6LRCaerphilly

Erect a single storey side extension and associated works including 2m boundary fence

Refused
Small
Householder Application
20 May 202626/0368/HH
15 Rowan Close Nelson Treharris CF46 6ENCaerphilly

Erect two storey rear extension and side garage extension

Pending
Small
Full
18 May 2026P/26/0108
Brynhyfryd Chapel Thomas Street Treharris CF46 5AAMerthyr Tydfil

Change of use of land to form off-street carpark, private amenity space and cycle storage for Brynhyfryd Chapel and dedicated off street parking for No.3 Perrott Place, and retention of vacant parcel of land to the south as ancillary parking.

Refused
Medium
Retain Development Already Carried Out
18 May 202626/0342/RET
Llanfabon Inn Cilfynydd Road To Pant-du Road Llanfabon Treharris CF46 6PGCaerphilly

Retain the siting of two containers for domestic purposes and one container for a dog grooming unit within rear garden

Permitted
Small
Full Application
15 May 202626/0339/FULL
53B Shingrig Road Nelson Treharris CF46 6DUCaerphilly

Erect fire escape staircase and associated internal alterations

Pending
Small
Discharge of Condition
15 May 2026P/26/0106
Y Goedwig Cardiff Road Treharris CF46 5NBMerthyr Tydfil

Discharge of Conditions 3 (pond enhancement), 4 (landscaping) 6 (retaining works) and 8 (surface water) of planning permission P/25/0264

Refused
Small
Prior Approval - Agricultural
14 May 2026P/26/0104
Cefn Fforest Farm Twynygarreg Treharris CF46 5RNMerthyr Tydfil

Erection of building to store hay/fodder and agricultural equipment (Prior Notification)

Refused
Small
Full
12 May 2026P/26/0105
15 Bargoed Terrace Treharris CF46 5RBMerthyr Tydfil

Conversion of ground floor to Bakery & Coffee Shop. Conversion of first floor to self-contained two-bedroom flat with new rear access stairway

Permitted
Small
Full
12 May 2026P/26/0098
25 Heather Court Quakers Yard Treharris CF46 5RPMerthyr Tydfil

Erection of single storey extension

Permitted
Medium
Certificate Lawful Proposed Use/Dev
1 May 202626/0323/CLPU
Penbeili Farm Tydu Road Nelson Treharris CF46 6PHCaerphilly

Obtain a Lawful Development Certificate for proposed side extension, rear extension(s), and a hip to gable roof alteration

Conditions
Small
Discharge of Condition
30 Apr 2026P/26/0091
35 Heol Y Glyn Treharris CF46 5RXMerthyr Tydfil

Discharge of Condition 3 (enhancement and net benefit) of planning permission P/26/0051

Permitted
Small
Certificate of Lawfulness
30 Apr 2026P/26/0081
Penbwlcha Farm Treharris CF46 5RNMerthyr Tydfil

Certificate of lawfulness for the siting of an existing caravan and its proposed residential use ancillary to the main dwelling.

Permitted
Medium
Development without complying with conds
29 Apr 202626/0329/NCC
29 Tawelfan Nelson Treharris CF46 6EHCaerphilly

Vary condition 02 (Approved Documents) of planning consent 25/0235/HH (Erect two storey side and single storey rear extension) to amend plans

Permitted
Small
Certificate of Lawfulness
29 Apr 2026P/26/0088
44 Webster Street Treharris CF46 5HPMerthyr Tydfil

New solar panels to the rear of the property

Conditions
Small
Discharge of Condition
22 Apr 2026P/26/0085
Brynhyfryd Chapel Thomas Street Treharris CF46 5AAMerthyr Tydfil

Discharge of Condition 4 of P/25/0204 obscured glazing

Pending
Small
Full Application
16 Apr 202626/0275/FULL
The Lord Nelson Inn 4 Commercial Street Nelson Treharris CF46 6NDCaerphilly

Erect single storey rear extension to provide additional dining area, toilets and baby changing facilities and construct rear entrance porch

Permitted
Small
Full
9 Apr 2026P/26/0076
20 Shire Court Quakers Yard Treharris CF46 5HJMerthyr Tydfil

Front porch extension

Conditions
Small
Discharge of Condition
2 Apr 2026P/26/0069
Berthlwyd Farm Pentwyn Road Treharris CF46 5BSMerthyr Tydfil

Discharge of Condition 5 of P/25/0219 vehicle hard standing

Conditions
Small
Discharge of Condition
2 Apr 2026P/26/0070
Berthlwyd Farm Pentwyn Road Treharris CF46 5BSMerthyr Tydfil

Discharge of Condition 2 LBC P/25/0221. Doors and Windows.

Permitted
Small
Full
13 Mar 2026P/26/0051
35 Heol Y Glyn Treharris CF46 5RXMerthyr Tydfil

Single storey front garage extension, new vehicular access and boundary wall

Permitted
Small
Full
13 Mar 2026P/26/0052
7 Bedw Road Bedlinog Treharris CF46 6TUMerthyr Tydfil

Erection of new garage

Permitted
Small
Condition Discharge
12 Mar 202626/0171/COND
The Rectory And School Site High Street Nelson Treharris CF46 6HACaerphilly

Discharge condition 18 (Programme of works or s38) and 20 (Construction - eng details) of planning consent 12/0571/FULL (Convert former rectory into two affordable houses and erect residential development of 6 dwellings)

Pending
Medium
Development without complying with conds
12 Mar 202626/0172/NCC
The Rectory And School Site High Street Nelson Treharris CF46 6HACaerphilly

Vary condition 24 (high stone wall) and 27 (monitoring - bat mitigation) of planning consent 12/0571/FULL (Convert former rectory into two affordable houses and erect residential development of 6 dwellings)

Refused
Medium
Householder Application
5 Mar 202626/0159/HH
3 Heol Morien Nelson Treharris CF46 6JACaerphilly

Erect first floor rear extension

Permitted
Small
Certificate of Lawfulness
2 Mar 2026P/26/0045
14 Ivy Close Trelewis Treharris Merthyr Tydfil CF46 6ETMerthyr Tydfil

Proposed conversion of the garage into ancillary living accommodation and replace garage door French doors with windows either side

Pending
Small
Full Application
25 Feb 202626/0133/FULL
Land Rear Of 2 High Street Nelson Treharris CF46 6EUCaerphilly

Demolish modern masonry wall and erect 4 no. affordable apartments and associated works

Pending
Small
Conservation Area Consent
24 Feb 202626/0128/CON
Land R/O 2 High Street Nelson Treharris CF46 6EUCaerphilly

Demolish modern masonry wall

Pending
Small
Full
12 Feb 2026P/25/0321
Land Off Tramroadside Quakers Yard Treharris CF46 5ARMerthyr Tydfil

Change of use from storage yard to provide a single storey eco house

Permitted
Pre_Application Non Statutory
9 Feb 2026PA/26/0004
Cefn Fforest Farm Twynygarreg Treharris CF46 5RNMerthyr Tydfil

Replacement Farmhouse