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Planning application

6 Lon-y-deri Rhiwbina Cardiff CF14 6JN

Granted Cardiff 26/01249/NMA Non Material Amendment

Works: Extension Loft or dormer

Relates to 25/02421/HSE

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

Proposal

Proposed Non-Material Amendment to Planning Permission 25/02421/HSE Retention of existing roofing tiles. New roofing to the dormer and rear extension. Walls of side dormer render finished.

As published by the council, reference 26/01249/NMA

Application record

Reference
26/01249/NMA
Type
Non Material Amendment
Status
Decided
Decision
Granted As published: Permission Granted
Received
16 Jun 2026
Validated
22 Jun 2026
Decided
12 Aug 2026
Ward
RHIWBINA
Decision by
Delegated to Group Leader
Postcode
CF14 6JN

Site history

Applications at this address on the Cardiff register

This site has had 2 applications since 2025: 2 approved, 0 refused.

  • 25/02421/HSE Granted

    6 Lon-y-deri Rhiwbina Cardiff CF14 6JN

    Removal of existing conservatory, extension, and garage. Single storey rear and side extension, roof extensions including hip to gable to front and rear and side dormer roof extension with new driveway and minor alterations to the external boundary wall.

    Decided 16 Dec 2025 Householder

Timeline

Dates from the published record

  1. 16 Jun 2026

    Received by Cardiff

  2. 22 Jun 2026

    Validated

    Checked as complete and ready for consideration.

  3. 22 Jul 2026

    Added to PlanIndex

  4. 6 Aug 2026

    Status changed to Awaiting decision

    Previously Registered.

  5. 12 Aug 2026

    Decision issued: Permission Granted

Cases linked to this one on the register

  • 25/02421/HSE Granted

    6 Lon-y-deri Rhiwbina Cardiff CF14 6JN

    Removal of existing conservatory, extension, and garage. Single storey rear and side extension, roof extensions including hip to gable to front and rear and side dormer roof extension with new driveway and minor alterations to the external boundary wall.

    Decided 16 Dec 2025 Householder

Who's behind it

Company information only, from the register and Companies House

Patrwm Architects LLP Agent, an architecture practice registered in Cardiff

Active · incorporated 2021 · Cardiff

2 applications on PlanIndex

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

7 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.

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Open the documents

What this grant of permission means

Cardiff granted permission on 12 August 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

  • 6 Lon-y-deri Rhiwbina Cardiff CF14 6JN

    25/02421/HSE Submitted 20 Oct 2025 50 yards away

    Removal of existing conservatory, extension, and garage. Single storey rear and side extension, roof extensions including hip to gable to front and rear and side dormer roof extension with new driveway and minor alterations to the external boundary wall.

    Granted Householder Extension Loft or dormer 10 docs
    Small domestic

  • 12 Lon-Y-Deri Rhiwbina Cardiff CF14 6JN

    21/00743/DCH Submitted 24 Mar 2021 50 yards away

    GROUND AND FIRST FLOOR REAR AND SIDE EXTENSIONS AND WORKS TO EXISTING SIDE DORMER EXTENSION

    Granted Householder Extension Loft or dormer 14 docs
    Domestic

  • 4 Lon-y-Dderwen Rhiwbina Cardiff CF14 6JQ

    23/00368/HSE Submitted 16 Feb 2023 100 yards away

    Hip to Gable roof extensions to front and rear elevations, dormer roof extension to side elevation, and hip to gable roof extension to rear annexe extension and associated works

    Granted Householder Extension Loft or dormer 18 docs
    Domestic

  • 89 Heol-y-deri Rhiwbina Cardiff CF14 6HE

    25/02854/HSE Submitted 2 Dec 2025 100 yards away

    Rear two storey and single storey extension, with garden room.

    Granted Householder Extension 24 docs
    Small domestic

  • 40 Heol-Y-Deri Rhiwbina Cardiff CF14 6HH

    21/00993/MNR Submitted 20 Apr 2021 100 yards away

    PROPOSED DEMOLITION OF EXISTING BUNGALOW AND CONSTRUCTION OF DETACHED DWELLING WITH PARKING AND AMENITY

    Granted Full applications New dwelling Demolition 17 docs
    Domestic

  • 40 Heol-Y-Deri Rhiwbina Cardiff CF14 6HH

    22/00224/DCH Submitted 3 Feb 2022 100 yards away

    PART SINGLE AND PART DOUBLE STOREY EXTENSION INCLUDING DORMER EXTENSION AND EXTERNAL ALTERATIONS

    Granted Householder Extension Loft or dormer 11 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