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Planning application

26/00178/CLPUD

21 St Edwen Gardens Heath Cardiff CF14 4JZ

Granted Cardiff Cert of Lawfulness Proposed (s192)

Proposal

Hip to gable and rear dormer roof extension. Demolition of existing lean to rear extension and construction of new single storey rear extension. External alterations to the property including installation of rooflights and PV Panels.

As published by the council, reference 26/00178/CLPUD

Timeline

Dates from the published record

  1. 29 Jan 2026

    Received by Cardiff

  2. 12 Feb 2026

    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

  • 26/01450/HSE Awaiting decision

    25 St Edwen Gardens Heath Cardiff CF14 4JZ

    Demolition of Garage and Proposed rear extension.

    13 Jul 2026 17m away Householder
  • 25/02162/HSE Awaiting decision

    68 Ton-yr-ywen Avenue Heath Cardiff CF14 4PB

    Demolition of existing store and rear single storey structure. Proposed single storey side and rear extension. Hip to gable and rear dormer roof extension.

    22 Sep 2025 58m away Householder
  • 25/02748/CLPUD Granted

    55 Heathway Heath Cardiff CF14 4JR

    Proposed single storey rear extension, hip to gable and roof dormer roof extensions with associated works.

    24 Nov 2025 114m away Lawful development
  • 26/00690/HSE Refused

    53 Ton-yr-ywen Avenue Heath Cardiff CF14 4NZ

    Part two-storey/first-floor side extension, side extension to existing single storey rear extension, garage conversion with rear extension and rear dormer to main roof

    2 Apr 2026 141m away Householder
  • 26/00974/HSE Granted

    67 Heathway Heath Cardiff CF14 4JR

    Two storey side extension. Hip to gable and rear dormer roof extension with associated works.

    14 May 2026 144m away Householder
  • 26/01019/CLPUD Granted

    3 St Tanwg Road Heath Cardiff CF14 4JY

    Loft conversion with rear box dormer, and hip to gable roof.

    18 May 2026 175m away Lawful development

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