37 Mandeville Road Blackwood NP12 3PH

1. 9 Oct 2025

   Received by Caerphilly

2. 26 Nov 2025

   Decision issued: Granted

3. 28 Jul 2026

   Added to PlanIndex

Caerphilly granted permission on 26 November 2025, subject to any conditions on the decision notice. Work must normally begin within five years or the permission lapses. 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.

• 28 Clos Coed Bach Blackwood NP12 1GT

  21/0677/FULL Submitted 24 Jun 2021 300 yards away

  Erect a part two storey, part single rear extension

  Refused Full applications Extension 16 docs

• 3 Cefn Fforest Avenue Cefn Fforest Blackwood NP12 3NW

  26/0048/HH Submitted 19 Jan 2026 350 yards away

  Erect two storey rear extension

  Granted Householder Extension 9 docs
  Domestic

• 3 Cwrt Hendre Blackwood NP12 3LR

  24/0883/HH Submitted 4 Dec 2024 350 yards away

  Erect two storey extension to side and rear elevations

  Refused Householder Extension 8 docs
  Domestic

• 9 Westgil Pen Ffordd Blackwood NP12 3QS0

  19/0891/FULL Submitted 29 Oct 2019 350 yards away

  Extend existing garage and bay window to front elevation

  Granted Full applications Windows or glazing 6 docs

• 3A Bryn Road Cefn Fforest Blackwood NP12 3NA

  26/0603/HH Submitted 8 Sep 2026 0.3 miles away

  76% historically approved · decision due ~3 Nov

  Erect two storey side extension

  Awaiting decision Householder Extension 6 docs
  Domestic

• 77 Bloomfield Road Blackwood NP12 1LY

  23/0265/HH Submitted 17 Apr 2023 0.3 miles away

  Erect single and two storey rear extension and front porch

  Granted Householder Extension 7 docs
  Small domestic

• 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