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Planning application

26/0100/CLPU

26 Gwyddon Road Abercarn Newport NP11 5GY

Granted Caerphilly Certificate Lawful Proposed Use/Dev

Proposal

Obtain a Lawful Development Certificate for proposed dormer extension to rear elevation with associated roof works and install three rooflights to roof on front elevation

As published by the council, reference 26/0100/CLPU

Timeline

Dates from the published record

  1. 16 Feb 2026

    Received by Caerphilly

  2. 16 Mar 2026

    Decision issued: Granted

  3. 28 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within five years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 25/0733/HH Granted

    12 Twyn Place Abercarn Newport NP11 5JX

    Replace existing outbuilding with detached garage and associated works

    24 Oct 2025 311m away Householder
  • 25/0745/HH Granted

    37 Twyn Road Abercarn Newport NP11 5JY

    Erect two storey rear extension

    3 Nov 2025 385m away Householder
  • 25/0579/RET Refused

    29 Railway Terrace Abercarn Newport NP11 4SW

    Retain and complete the construction of a garden room/bar, car port, composite decking and fencing

    20 Aug 2025 480m away

In Caerphilly

  • 26/0447/CLEU Granted

    5 Pantyfid Road Aberbargoed Bargoed CF81 9DT

    Obtain a Certificate of Lawfulness for the existing use of decking

    7 Jul 2026 Lawful development
  • 26/0366/CLEU Refused

    Brynela Llwyncelyn Terrace Nelson Treharris CF46 6HF

    Obtain a Lawful Development Certificate for existing use of stables

    26 May 2026 Lawful development
  • 26/0346/CLPU Granted

    91 St Anne's Gardens Maesycwmmer Hengoed CF82 7QQ

    Obtain a Lawful Development Certificate for proposed single storey rear extension

    14 May 2026 Lawful development
  • 26/0345/CLPU Granted

    2 Corbett Crescent Caerphilly CF83 1HP

    Obtain a Lawful Development Certificate for proposed attic conversion

    13 May 2026 Lawful development
  • 26/0375/CLPU Granted

    6 Bedwellty Road Cefn Fforest Blackwood NP12 3HF

    Obtain a Lawful Development Certificate for proposed single storey side extension and form a vehicle access

    26 May 2026 Lawful development