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Planning application

25/02812/CLPUD

7 Windermere Avenue Cyncoed Cardiff CF23 5PQ

Granted Cardiff Cert of Lawfulness Proposed (s192)

Proposal

Certificate of Lawfulness for a proposed hip-to-gable roof extension and rear dormer extension with rooflights to front elevation, under permitted development rights

As published by the council, reference 25/02812/CLPUD

Timeline

Dates from the published record

  1. 27 Nov 2025

    Received by Cardiff

  2. 5 Dec 2025

    Decision issued: Permission Granted

  3. 22 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

  • 26/00694/CLPUD Refused

    2 Windermere Avenue Cyncoed Cardiff CF23 5PQ

    Hip to gable Loft conversion with flat roof rear Dormer.

    7 Apr 2026 49m away Lawful development
  • 26/00874/HSE Awaiting decision

    9 Ullswater Avenue Cyncoed Cardiff CF23 5PT

    Retrospective permission for a flush threshold raised patio area to rear garden.

    1 May 2026 82m away Householder
  • 26/01131/HSE Awaiting decision

    67 Windermere Avenue Cyncoed Cardiff CF23 5PS

    Rear dormer and hip to gable roof.

    2 Jun 2026 287m away Householder
  • 25/02276/WTTPF Awaiting decision

    34 Lake Road East Penylan Cardiff CF23 5NN

    Removal of a Lawson Cypress located in the front garden of the property on the boundary, and replanting of a suitable replacement.

    26 Sep 2025 338m away Trees
  • 25/02931/HSE Granted

    19 Lake Road West Cyncoed Cardiff CF23 5PG

    Hip to gable roof and rear dormer loft conversion.

    15 Dec 2025 341m away Householder
  • 25/02065/WTTPFP Awaiting decision

    27 Lady Mary Road Penylan Cardiff CF23 5NT

    T1, (TPO application required) Centre of garden; crown raise 3no branches as shown in picture A, by foliage tip reduction to raise those 3 branches by 1-2m, leaving a flowing branch line, remove any unstable deadwood greater than 25mm in diameter.

    8 Sep 2025 345m away Trees

In Cardiff

  • 26/01314/CLPUD Granted

    Beech House Pascal Close Trowbridge Cardiff

    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.

    23 Jun 2026 Lawful development
  • 26/01449/CLPUD Awaiting decision

    53 Westbourne Road Whitchurch Cardiff CF14 2BR

    single storey flat roof side and rear extension

    13 Jul 2026 Lawful development
  • 26/01429/CLPUD Awaiting decision

    311 Western Avenue Llandaff Cardiff CF5 2BA

    Works associated with a loft conversion

    10 Jul 2026 Lawful development
  • 26/01415/CLPUD Awaiting decision

    85 Wenallt Road Rhiwbina Cardiff CF14 6TP

    Construction of rear roof dormer and installation of roof windows.

    9 Jul 2026 Lawful development
  • 26/01391/CLEUD Awaiting decision

    173 Rhymney Street Cathays Cardiff CF24 4DL

    Use of the property as a Sui Generis House in Multiple Occupation (HMO).

    6 Jul 2026 Lawful development