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Planning application

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

Granted Cardiff 25/02382/HSE Householder Planning Permission

Works: Extension Domestic

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

Permission granted. Work must normally begin within five years of the decision or the permission lapses.

Proposal

Removal of existing store. Two storey rear extension with incorporated first floor balcony. Associated alterations including alteration to front elevation.

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

Application record

Reference
25/02382/HSE
Type
Householder Planning Permission
Status
Decided
Decision
Granted As published: Permission Granted
Received
16 Oct 2025
Validated
17 Oct 2025
Decided
24 Mar 2026
Ward
PENYLAN
Decision by
Chair (1- 5 Reps)
Postcode
CF23 5JJ

Site history

Applications at this address on the Cardiff register

This site has had 2 applications since 2025: 2 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. 24 Mar 2026

    Decision issued: Permission Granted

  4. 22 Jul 2026

    Added to PlanIndex

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

7 applications on PlanIndex · across 4 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

11 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 this grant of permission means

Cardiff granted permission on 24 March 2026, subject to any conditions on the decision notice. Work must normally begin within five years or the permission lapses. More in our guide to what happens after a planning decision.

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 0.3 miles

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

    26/01018/DOC Submitted 18 May 2026 50 yards 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 50 yards 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 50 yards away

    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.

    Granted Lawful development Extension 7 docs

  • Denstone Court Ty-gwyn Crescent Penylan Cardiff CF23 5LZ

    25/00086/WTTPP Submitted 13 Jan 2025 100 yards away

    2x Silver birch - crown reduction by 1.5 metres to create a balanced crown shape and prevent trees from encroaching into surrounding vegetation and property

    Granted Trees 5 docs

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

    21/01778/MNR Submitted 15 Jul 2021 100 yards 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 100 yards away

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

    Granted Lawful development Extension 13 docs
    Small domestic

In Cardiff

  • 26/02112/HSE Awaiting decision

    7 Penydarren Drive Whitchurch Cardiff CF14 2TT

    Proposed Single Storey Side/Rear Extension with Garage Conversion

    Received 7 Oct, published by the council 9 Oct 2026 Householder
  • 26/02113/HSE Awaiting decision

    78 Mill Road Lisvane Cardiff CF14 0UG

    PROPOSED FIRST FLOOR EXTENSION AT SIDE OF HOUSE

    Received 7 Oct, published by the council 9 Oct 2026 Householder
  • 26/01702/HSE Granted

    45 Gwern Rhuddi Road Cyncoed Cardiff CF23 6PS

    Two storey and single storey rear extensions (development similar to that as approved under 25/00533/HSE with additional first floor part).

    Received 10 Aug, published by the council 24 Aug 2026 Householder
  • 26/02104/HSE Awaiting decision

    15 Brynteg Rhiwbina Cardiff CF14 6TS

    Proposed single storey rear extension to the existing semi-detached dwelling including minor internal and external modifications

    Received 6 Oct, published by the council 9 Oct 2026 Householder
  • 26/02102/HSE Awaiting decision

    49 Kimberley Road Penylan Cardiff CF23 5DL

    Proposed ground floor rear side return extension

    Received 6 Oct, published by the council 9 Oct 2026 Householder