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Planning application

20 Dorchester Avenue Penylan Cardiff CF23 9BR

Awaiting decision Cardiff 26/01496/HSE Householder Planning Permission

Works: Extension Loft or dormer Domestic

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

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Retrospective permission for proposed loft dormer and side gable extension and installation of an air conditioning unit.

As published by the council, reference 26/01496/HSE

Application record

Reference
26/01496/HSE
Type
Householder Planning Permission
Status
Registered
Received
20 Jul 2026
Validated
20 Jul 2026
Ward
PENYLAN
Postcode
CF23 9BR

Site history

Applications at this address on the Cardiff register

This site has had 2 applications since 2026.

  • 26/01302/CLPUD Withdrawn

    20 Dorchester Avenue Penylan Cardiff CF23 9BR

    Rear loft dormer and creation a gable end.

    Decided 28 Jul 2026 Lawful development

Timeline

Dates from the published record

  1. 20 Jul 2026

    Received by Cardiff

  2. 13 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 14 September 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Cardiff took a median of 56 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Benham Architects Ltd Agent, an architecture practice registered in Cardiff

Active · incorporated 2016 · Cardiff

30 applications on PlanIndex · across 5 councils · 85% granted

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See their track record

Documents

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

14 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 happens while it is decided

This application is with Cardiff for determination, against a statutory target of eight weeks. Over the last year Cardiff decided householder applications in a median of 59 days. More in our guide to how long planning decisions take.

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.

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Within 0.3 miles

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