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Planning application

Penylan Cottage 1 Ty-gwyn Avenue Penylan Cardiff CF23 5JJ

Awaiting decision Cardiff 25/02382/HSE Householder Planning Permission

Works: Extension 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

Removal of existing store. Two storey side, rear and front extension with associated alterations.

As published by the council, reference 25/02382/HSE

Application record

Reference
25/02382/HSE
Type
Householder Planning Permission
Status
Registered
Received
16 Oct 2025
Validated
17 Oct 2025
Ward
PENYLAN
Postcode
CF23 5JJ

Site history

Applications at this address on the Cardiff register

This site has had 2 applications since 2025: 1 approved, 0 refused.

  • 26/01018/DOC Granted

    Penylan Cottage 1 Ty-gwyn Avenue Penylan Cardiff CF23 5JJ

    Discharge of Conditon 3 (Arboricultural Method Statement and Tree Protection Plan) of 25/02382/HSE

    Decided 28 May 2026 Conditions

Timeline

Dates from the published record

  1. 16 Oct 2025

    Received by Cardiff

  2. 17 Oct 2025

    Validated

    Checked as complete and ready for consideration.

  3. 22 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 12 December 2025, 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.

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 26/01018/DOC Granted

    Penylan Cottage 1 Ty-gwyn Avenue Penylan Cardiff CF23 5JJ

    Discharge of Conditon 3 (Arboricultural Method Statement and Tree Protection Plan) of 25/02382/HSE

    Decided 28 May 2026 Conditions

Who's behind it

Company information only, from the register and Companies House

MAH Design Agent, a design practice registered in Bexley

Active · incorporated 2022 · Bexley

6 applications on PlanIndex · across 3 councils

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

5 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 Cardiff for determination, against a statutory target of eight weeks. Over the last year Cardiff decided householder applications in a median of 62 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.

Nearby applications

Within 500 metres

  • Penylan Cottage 1 Ty-gwyn Avenue Penylan Cardiff CF23 5JJ

    26/01018/DOC Submitted 18 May 2026 0m away

    Discharge of Conditon 3 (Arboricultural Method Statement and Tree Protection Plan) of 25/02382/HSE

    Granted Conditions Trees 6 docs

  • Isfryn 7 Ty-gwyn Crescent Penylan Cardiff CF23 5JL

    26/00754/DOC Submitted 16 Apr 2026 36m away

    Discharge of Condition 3 (Arboricultural Method Statement and Tree Protection Plan) of permission 24/01104/HSE

    Granted Conditions Trees 6 docs

  • 9 Ty-gwyn Crescent Penylan Cardiff CF23 5JL

    25/02100/CLPUD Submitted 15 Sep 2025 57m away

    93% historically approved · decision due ~10 Nov

    Repair works to the rear extension including altering the guttering to run externally via a hopper and as indicated on drawing and connecting into existing drainage, and repair where the render has blown by means of recladding.

    Awaiting decision Lawful development Extension 5 docs

  • Roselodge 1 Ty-Gwyn Crescent Penylan Cardiff CF23 5JL

    21/01778/MNR Submitted 15 Jul 2021 102m away

    Demolition of existing dwelling and erection of a replacement detached dwelling with associated access (from Ty Gwyn Avenue), parking and landscaping.

    Granted Full applications New dwelling Demolition 94 docs
    Domestic

  • Glenwood 10 Ty-gwyn Crescent Penylan Cardiff CF23 5JL

    26/00809/CLPUD Submitted 24 Apr 2026 102m away

    Single storey rear extension to replace existing with rear terrace and associated works.

    Granted Lawful development Extension 13 docs
    Small domestic

  • 44 Bronwydd Avenue Penylan Cardiff CF23 5JQ

    25/00142/VAR Submitted 21 Jan 2025 176m away

    Application under s73 to vary Condition 2 (Approved Plans) of Planning Permission 24/00914/HSE (Approved 03 May 2024) for 'Demolition of garage, two storey side and single-story rear extensions, new decking to rear elevation, together with internal and external alterations' in order to amend the approved scheme as follows: 1) Revisions to previously approved design and landscaping amendments.

    Granted Amendments Extension Demolition 23 docs

In Cardiff

  • 26/01907/HSE Awaiting decision

    46 Oakley Place Grangetown Cardiff CF11 7EW

    Rear dormer roof extension.

    Received 10 Sep, published by the council 13 Sep 2026 Householder
  • 26/01013/HSE Granted

    74 Beulah Road Rhiwbina Cardiff CF14 6LY

    Rear, side and front extensions, raised roof ridge height, front and rear dormers and minor internal and external works.

    Received 18 May, published by the council 22 Jul 2026 Householder
  • 26/01611/HSE Granted

    6 Dewi Court 47 Cardiff Road Llandaff Cardiff CF5 2ET

    Replacement of existing sliding patio doors with french doors, increase height of existing garden boundary walls on 2 sides with trellis and installation of stand alone garden room.

    Received 30 Jul, published by the council 6 Aug 2026 Householder
  • 26/01592/HSE Granted

    20 Meadow Street Pontcanna Cardiff CF11 9PY

    Construction of single storey rear wrap around extension.

    Received 29 Jul, published by the council 6 Aug 2026 Householder
  • 26/01905/HSE Awaiting decision

    9 Clos William Rhiwbina Cardiff CF14 6QJ

    Single Storey Side/Rear Extension with Internal Alterations. Loft Reconfiguration with Dormers. Detached Garage Enlargement.

    Received 9 Sep, published by the council 13 Sep 2026 Householder