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Planning application

4 Clos Y Gwalch Thornhill Cardiff CF14 9JH

Granted Cardiff 25/02716/REN Renewal of previous permission

Works: Extension

Permission granted. Work must normally begin within five years of the decision or the permission lapses.

Proposal

Renewal of Planning Permission 20/02593/DCH for two storey side extension above existing garage and conversion of existing garage into living accommodation with associated alterations.

As published by the council, reference 25/02716/REN

Application record

Reference
25/02716/REN
Type
Renewal of previous permission
Status
Decided
Decision
Granted As published: Permission Granted
Received
20 Nov 2025
Validated
20 Nov 2025
Decided
15 Jan 2026
Ward
LISVANE AND THORNHILL
Decision by
Delegated to Group Leader
Postcode
CF14 9JH

Site history

Applications at this address on the Cardiff register

This site has had 2 applications since 2021: 2 approved, 0 refused.

  • 21/01501/DCH Granted

    4 Clos Y Gwalch Thornhill Cardiff CF14 9JH

    INTERNAL RECONFIGURATION AND EXTERNAL MATERIAL REVISION AT FIRST FLOOR LEVEL FROM BRICKWORK TO RENDER - PREVIOUSLY APPROVED UNDER 20/02593/DCH

    Decided 5 Jul 2021 Householder

Timeline

Dates from the published record

  1. 20 Nov 2025

    Received by Cardiff

  2. 15 Jan 2026

    Decision issued: Permission Granted

  3. 22 Jul 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

6 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Cardiff granted permission on 15 January 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.

About amendment applications

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 4 Clos Y Gwalch Thornhill Cardiff CF14 9JH

    21/01501/DCH Submitted 15 Jun 2021 50 yards away

    INTERNAL RECONFIGURATION AND EXTERNAL MATERIAL REVISION AT FIRST FLOOR LEVEL FROM BRICKWORK TO RENDER - PREVIOUSLY APPROVED UNDER 20/02593/DCH

    Granted Householder 5 docs
    Domestic

  • 27 Heol Y Barcud Thornhill Cardiff CF14 9JB

    21/00895/DCH Submitted 12 Apr 2021 50 yards away

    PROPOSED GARAGE

    Granted Householder 6 docs
    Domestic

  • 1 Heol Llinos Thornhill Cardiff CF14 9JF

    24/02460/WTTPFP Submitted 15 Oct 2024 150 yards away

    G1 - Cut back to boundary, remove stems were necessary at arborists discretion. G2 - Cut back to achieve 2m clearance from building. G3 - Cut back to achieve 2m clearance from building and crown lift to 2.4m height. G4 - Cut back to achieve 2m clearance from building and crown lift to 2.4m height. G5 - Crown lift to 3m over parking spaces. Cut back dogwood to 1m behind kerb. Fell small dead stem. G6 - Cut back to achieve 2m clearance from building and bin store. G7 - Fell 4 x ash on edge of car park. Crown lift remaining trees to 3m over parking spaces. T1 - Fell T2 - Fell 4 x ash on edge of car park. Crown lift remaining trees to 3m over parking spaces. T3 - Radial crown lift to 3m.

    Granted Trees 6 docs

  • 12 Fairthorn Close Thornhill Cardiff CF14 9FG

    22/02050/HSE Submitted 1 Sep 2022 150 yards away

    Second storey extension to side and rear single storey extension

    Granted Householder Extension 13 docs
    Small domestic

  • 23 Clos Y Dryw Thornhill Cardiff CF14 9JG

    21/01215/DCH Submitted 12 May 2021 250 yards away

    RETROSPECTIVE APPLICATION FOR A TWO STOREY SIDE EXTENSION AND SINGLE STOREY REAR EXTENSION

    Granted Householder Extension 14 docs
    Small domestic

  • 16 Briarmeadow Drive Thornhill Cardiff CF14 9FB

    21/00560/DCH Submitted 5 Mar 2021 250 yards away

    SECOND STOREY FRONT/SIDE EXTENSION

    Refused Householder Extension 12 docs
    Domestic

In Cardiff

  • 26/01324/NMA Granted

    Phase 4A Of Land North Of Junction 33 Cardiff

    Proposed Non-Material Amendment to Planning Permission 23/02401/RES - 1) Replace approved boundary treatment plan with new proposed plan. 2) Alterations to external surface finishes.

    Received 24 Jun, published by the council 13 Aug 2026 Amendments
  • 26/01857/NMA Granted

    14 Cotswold Avenue Lisvane Cardiff CF14 0TA

    Proposed Non-Material Amendment to Planning Permission 18/00385/DCH.

    Received 3 Sep, published by the council 13 Sep 2026 Amendments
  • 26/02083/NMA Awaiting decision

    22 Swanage Close Trowbridge Cardiff CF3 0LS

    Proposed Non-Material Amendment to Planning Permission 23/01834/FUL - to amend extension junction of existing roof to allow formation of hipped roof

    Received 2 Oct, published by the council 6 Oct 2026 Amendments
  • 26/01987/NMA Granted

    Land At Dumballs Road Butetown Cardiff

    Proposed Non-Material Amendment to Planning Permission 06/01823/C - Life Critical Fire Safety Works.

    Received 18 Sep, published by the council 6 Oct 2026 Amendments
  • 26/01711/NMA Granted

    25 Brook Road Fairwater Cardiff CF5 3AW

    Proposed Non-Material Amendment to Planning Permission 24/00292/HSE - To change the roof design of the approved first-floor extension

    Received 11 Aug, published by the council 17 Aug 2026 Amendments