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Planning application

20 Knowbury Avenue, Penarth

Awaiting decision Vale of Glamorgan 2026/00605/FUL Full Planning Application

Works: Extension Loft or dormer Small 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

New front porch with balcony over, new rear dormer to first floor, internal remodelling. All finishes to match existing

As published by the council, reference 2026/00605/FUL

Application record

Reference
2026/00605/FUL
Type
Full Planning Application
Status
Awaiting Consultation Responses
Received
13 Aug 2026
Validated
19 Aug 2026
Ward
Plymouth
Parish
Penarth Town Council
Decision by
Delegated

Site history

Applications at this address on the Vale of Glamorgan register

This site has had 2 applications since 2023: 1 approved, 0 refused.

  • 2023/00056/FUL Granted

    20, Knowbury Avenue, Penarth

    New entrance porch with balcony over. proposed single storey rear extension along with associated works

    Decided 28 Mar 2023 Full applications

Timeline

Dates from the published record

  1. 13 Aug 2026

    Received by Vale of Glamorgan

  2. 19 Aug 2026

    Validated

    Checked as complete and ready for consideration.

  3. 24 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

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

    Vale of Glamorgan took a median of 63 days over the applications it decided in the last year.

Documents

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

10 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What happens while it is decided

This application is with Vale of Glamorgan for determination, against a statutory target of eight weeks. Over the last year Vale of Glamorgan decided full applications in a median of 81 days. More in our guide to how long planning decisions take.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

In Vale of Glamorgan

  • 2026/00243/FUL Withdrawn

    First Floor, 18 High Street, Cowbridge, CF71 7AG

    Proposed Change of Use of first floor from A1 Retail (Hair Salon) to D2 Assembly and Leisure (Yoga Studio)

    Received 30 Mar, published by the council 28 Jul 2026 Full applications
  • 2026/00247/FUL Granted

    4 Uphill Close, Sully

    Proposed single storey rear extension

    Received 1 Apr, published by the council 28 Jul 2026 Full applications
  • 2026/00285/FUL Granted

    12 Sycamore Crescent, Barry

    Variation of Condition 2 (Approved Plans) of Planning Approval 2023/00438/FUL: Demolition of existing garage to create new single storey side and rear extension

    Received 14 Apr, published by the council 28 Jul 2026 Full applications
  • 2026/00135/FUL Granted

    14 Hawthorn Close, Dinas Powys

    Single storey rear extension, heat pump, removal of existing garage and building of new garage/outbuilding

    Received 16 Feb, published by the council 28 Jul 2026 Full applications
  • 2025/01182/FUL Granted

    20 Boverton Brook, Llantwit Major

    First floor side extension, garage conversion and single storey rear extension, and widening of the driveway.

    Received 24 Nov, published by the council 28 Jul 2026 Full applications