24 Heol Isaf Nelson Treharris CF46 6NS

1. 22 Apr 2026

   Received by Caerphilly

2. 11 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 2 Jul 2026

   Decision issued: Granted

4. 28 Jul 2026

   Added to PlanIndex

Caerphilly granted permission on 2 July 2026, 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 21 Heol Isaf Nelson Treharris CF46 6NS

  26/0470/HH Submitted 10 Jul 2026 50 yards away

  Demolish existing rear conservatory and detached garage and construct new single storey rear extension

  Granted Householder Extension Demolition 9 docs
  Small domestic

• 25 Heol Isaf Nelson Treharris CF46 6NS

  21/0250/FULL Submitted 9 Mar 2021 50 yards away

  Erect conservatory to the rear of property

  Granted Full applications Extension 8 docs

• 11 Heol Isaf Nelson Treharris CF46 6NS

  23/0305/HH Submitted 3 May 2023 50 yards away

  Erect rear extension and new side garage

  Granted Householder Extension 6 docs
  Domestic

• 6 Heol Isaf Nelson Treharris CF46 6NS

  26/0050/HH Submitted 22 Jan 2026 100 yards away

  Erect rear roof extension, raise the ridge and rear dormer

  Granted Householder Extension Loft or dormer +1 10 docs
  Domestic

• 21 Beech Tree Way Nelson Treharris CF46 6NU

  24/0798/TPO Submitted 1 Nov 2024 150 yards away

  Carry out various tree works (Tree Preservation Order 48/82/RVDC)

  Granted Trees 5 docs

• 1 Mountain Way Nelson Treharris CF46 6NY

  24/0799/TPO Submitted 4 Nov 2024 200 yards away

  Remove dead wood from tree overhanging from T4 (Tree Preservation Order 48/82/RVDC)

  Granted Trees 7 docs

• 26/0548/CLEU Granted

  9 St David's Park New Tredegar NP24 6BJ

  Obtain a Lawful Development Certificate for existing use of the land as garden area associated with No. 9 St Davids Park

  Received 17 Aug, published by the council 24 Aug 2026 Lawful development
• 26/0635/CLEU Awaiting decision

  Ambulance Hall Tredegar Terrace Risca Newport NP11 6BY

  Obtain a Lawful Development Certificate for existing use of the whole premises as a non-residential hall for community, meeting, educational and training purposes, falling within Class D1

  Received 21 Sep, published by the council 24 Sep 2026 Lawful development
• 26/0517/CLPU Refused

  26 Heolddu Crescent Bargoed CF81 8UQ

  Obtain a Lawful Development Certificate for the proposed use of one of the existing ground floor rooms as a small-scale home-based tattoo business

  Received 3 Aug, published by the council 14 Aug 2026 Lawful development
• 26/0611/CLPU Awaiting decision

  24 Heol Cwarrel Clark Caerphilly CF83 2NE

  Obtain a Lawful Development Certificate for conversion of the existing integral garage into habitable accommodation, replacement of the garage door with a window, associated internal alterations and installation of a compact through-floor lift

  Received 11 Sep, published by the council 18 Sep 2026 Lawful development
• 26/0598/CLPU Awaiting decision

  PHS Group Ltd Block B Western Industrial Estate Caerphilly CF83 1XH

  Obtain a Lawful Development Certificate for installation of 140 No. roof-mounted photovoltaic solar panels on the east-, south- and west-facing pitched roof slopes of the existing commercial building, providing a total installed generating capacity of approximately 85.4 kWp, together with associated inverter, mounting system and ancillary electrical infrastructure

  Received 8 Sep, published by the council 12 Sep 2026 Lawful development