10 Ashgrove Trethomas Caerphilly CF83 8BP

This site has had 2 applications since 2026: 1 approved, 1 refused.

• 26/0309/HH Granted

  10 Ashgrove Trethomas Caerphilly CF83 8BP

  Erect two storey rear extension

  Decided 22 Jun 2026 Householder

1. 24 Mar 2026

   Received by Caerphilly

2. 27 Apr 2026

   Decision issued: Refused

3. 28 Jul 2026

   Added to PlanIndex

Caerphilly refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 10 Ashgrove Trethomas Caerphilly CF83 8BP

  26/0309/HH Submitted 28 Apr 2026 50 yards away

  Erect two storey rear extension

  Granted Householder Extension 8 docs
  Domestic

• Trethomas Life Centre Heol-yr-ysgol Trethomas Caerphilly CF83 8FL

  26/0465/FULL Submitted 13 Jul 2026 100 yards away

  Erect single storey Annex for charitable use including small group sessions, cooking and washing/showering facilities

  Granted Full applications 28 docs
  Small domestic

• White O'Morn Navigation Street Trethomas Caerphilly CF83 8DJ

  25/0622/COND Submitted 8 Sep 2025 100 yards away

  Discharge conditions 03 (Sound Insulation) and 08 (Bio Enhancement) of planning consent 25/0001/COU (Change the use of single dwelling to 9-bed HMO)

  Granted Conditions 13 docs
  Domestic

• 11 Bryn-y-fran Avenue Trethomas Caerphilly CF83 8BN

  21/0609/FULL Submitted 4 Jun 2021 100 yards away

  Erect front porch and two storey side extension, replace existing single storey rear extension with a two storey and a mono pitch single extension

  Granted Full applications Extension 13 docs
  Small domestic

• 19 Pantglas View Newport Road Trethomas Caerphilly CF83 8BL

  21/0739/FULL Submitted 12 Jul 2021 150 yards away

  Demolish existing garage and erect a single bedroom ancillary annex

  Granted Full applications Demolition 9 docs

• Ty Yn Y Pwll Newport Road Trethomas

  23/0154/COND Submitted 27 Feb 2023 150 yards away

  Discharge condition 06 (Contamination - validation) of planning consent 20/0688/FULL (Erect residential development and associated works)

  Granted Conditions New dwelling 11 docs

• 26/0528/HH Granted

  Bryncanol Ty Canol Lane Machen Caerphilly CF83 8QE

  Demolish existing lean-to rear extension, raise ridge height, erect first-floor front extension, convert loft to include two dormers to the front and two dormers to the rear and associated landscaping works, including extending the existing terrace to the front

  Received 5 Aug, published by the council 14 Aug 2026 Householder
• 26/0649/HH Awaiting decision

  Graig View Cottage The Row To Gwern-y-goytre Draethen Newport NP10 8GF

  Erect a raised decking area

  Received 28 Sep, published by the council 5 Oct 2026 Householder
• 26/0505/HH Granted

  18 Redbrook Avenue Trethomas Caerphilly CF83 8DB

  Erect split level two storey extension to rear of property

  Received 30 Jul, published by the council 7 Aug 2026 Householder
• 26/0383/HH Refused

  Woodland Cottage Cwmnofydd Farm Lane Machen Caerphilly CF83 8NR

  Erect two storey rear extension

  Received 2 Jun, published by the council 28 Jul 2026 Householder
• 26/0503/HH Granted

  13 Ebbw Meadow Abercarn Newport NP11 5GL

  Erect a double storey rear extension with a single storey side extension

  Received 28 Jul, published by the council 7 Aug 2026 Householder