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Planning application

37 Brython Drive St Mellons Cardiff CF3 0LR

Granted Cardiff 21/01232/DCH Householder Planning Permission

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

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

Proposal

SINGLE STOREY REAR EXTENSION

As published by the council, reference 21/01232/DCH

Application record

Reference
21/01232/DCH
Type
Householder Planning Permission
Status
Decided
Decision
Permission Granted
Received
13 May 2021
Validated
19 May 2021
Decided
23 Jul 2021
Ward
TROWBRIDGE
Decision by
Delegated Decision
Postcode
CF3 0LR

Timeline

Dates from the published record

  1. 13 May 2021

    Received by Cardiff

  2. 19 May 2021

    Validated

    Checked as complete and ready for consideration.

  3. 23 Jul 2021

    Decision issued: Permission Granted

  4. 17 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, an architecture practice registered in Cardiff

29 applications on PlanIndex · across 7 councils · 95% granted

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Documents

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

13 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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What this grant of permission means

Cardiff granted permission on 23 July 2021, 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 householder applications

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.

Nearby applications

Within 500 metres

  • 27 Brython Drive Trowbridge Cardiff CF3 0LR

    26/01067/HSE Submitted 26 May 2026 26m away

    92% historically approved · decision due ~30 Jul

    Demolition of existing rear conservatory and construction of part two-storey/part single storey rear extension and associated alterations.

    Awaiting decision Householder Extension Demolition 6 docs
    Small domestic

  • Melrose Inn Vaindre Lane Trowbridge Cardiff CF3 2UZ

    25/00909/FUL Submitted 17 Apr 2025 198m away

    New single storey front extensions, external alterations and hardstandings

    Granted Full applications Extension 14 docs
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  • Beech House Pascal Close Trowbridge Cardiff

    26/01314/CLPUD Submitted 23 Jun 2026 231m away

    Remove air handling unit and chiller systems. The plinth to be removed and a replacement plinth being installed on the same footprint. Installation of a new liquid nitrogen tank.

    Granted Lawful development 8 docs

  • 5 Fennel Close Trowbridge Cardiff CF3 0ND

    26/00200/HSE Submitted 2 Feb 2026 238m away

    Garage conversion and rear extension with single storey side extension to the main property.

    Granted Householder Extension 9 docs
    Small domestic

  • 3 Clos Ddyfan St Mellons Cardiff CF3 0LX

    21/00739/DCH Submitted 24 Mar 2021 265m away

    SINGLE STOREY REAR EXTENSION

    Granted Householder Extension 8 docs
    Small domestic

  • 3 CLOS DDYFAN, ST MELLONS, CARDIFF, CF3 0LX

    03/00018/R Submitted 8 Jan 2003 281m away

    AMENDMENTS AND ADDITION OF CONSERVATORY TO PREVIOUSLY APPROVED HOUSE TYPE

    Granted Householder Extension
    Small domestic

In Cardiff

  • 25/01805/HSE Refused

    12 Hamilton Street Pontcanna Cardiff CF11 9BP

    Replacement of the existing ground and first floor front bay windows with sliding sash uPVC windows.

    1 Aug 2025 Householder
  • 26/01543/HSE Refused

    2 Camelot Way Thornhill Cardiff CF14 9AN

    Proposed open sided car port, drainage to one side and into a gravel soakaway.

    24 Jul 2026 Householder
  • 26/01459/HSE Granted

    64 Fidlas Avenue Cyncoed Cardiff CF14 0NZ

    Side single and double storey extension

    14 Jul 2026 Householder
  • 26/01841/HSE Awaiting decision

    160 Heol Llanishen Fach Rhiwbina Cardiff CF14 6RG

    Two storey side extension and loft conversion with front and rear dormers

    1 Sep 2026 Householder
  • 26/01505/HSE Granted

    100 Caer Wenallt Rhiwbina Cardiff CF14 7HQ

    Front & rear dormers, porch & internal alterations.

    20 Jul 2026 Householder