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Planning application

45 Gwern Rhuddi Road Cyncoed Cardiff CF23 6PS

Granted Cardiff 25/00533/HSE Householder Planning Permission

Works: Extension Small 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

Two storey and single storey rear extension

As published by the council, reference 25/00533/HSE

Application record

Reference
25/00533/HSE
Type
Householder Planning Permission
Status
Decided
Decision
Granted As published: Permission Granted
Received
3 Mar 2025
Validated
4 Mar 2025
Decided
18 Sep 2025
Ward
CYNCOED
Decision by
Chair (1- 5 Reps)
Postcode
CF23 6PS

Site history

Applications at this address on the Cardiff register

This site has had 3 applications since 2021: 3 approved, 0 refused.

  • 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).

    Decided 7 Oct 2026 Householder
  • 21/01235/DCH Granted

    45 Gwern Rhuddi Road Cyncoed Cardiff CF23 6PS

    SINGLE STOREY REAR EXTENSION

    Decided 18 Jul 2021 Householder

Timeline

Dates from the published record

  1. 3 Mar 2025

    Received by Cardiff

  2. 4 Mar 2025

    Validated

    Checked as complete and ready for consideration.

  3. 18 Sep 2025

    Decision issued: Permission Granted

  4. 29 Aug 2026

    Added to PlanIndex

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 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).

    Decided 7 Oct 2026 Householder

Who's behind it

Company information only, from the register and Companies House

RP Design Agent, a design practice

3 applications on PlanIndex

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See their track record

Documents

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

16 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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Open the documents

What this grant of permission means

Cardiff granted permission on 18 September 2025, 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

  • 45 Gwern Rhuddi Road Cyncoed Cardiff CF23 6PS

    26/01702/HSE Submitted 10 Aug 2026 50 yards away

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

    Granted Householder Extension 10 docs
    Small domestic

  • 45 Gwern Rhuddi Road Cyncoed Cardiff CF23 6PS

    21/01235/DCH Submitted 14 May 2021 50 yards away

    SINGLE STOREY REAR EXTENSION

    Granted Householder Extension 9 docs
    Small domestic

  • 31 Gwern Rhuddi Road Cyncoed Cardiff CF23 6PR

    21/01526/DCH Submitted 17 Jun 2021 100 yards away

    SINGLE STOREY REAR EXTENSION

    Granted Householder Extension 6 docs
    Small domestic

  • 23 Hackerford Road Cyncoed Cardiff CF23 6QY

    26/00774/HSE Submitted 20 Apr 2026 150 yards away

    Demolish existing conservatory, garage roof and canopy. Single storey rear and side extensions and construction of a porch.

    Granted Householder Extension Demolition 8 docs
    Small domestic

  • 71 Gwern Rhuddi Road Cyncoed Cardiff CF23 6PS

    25/01318/HSE Submitted 9 Jun 2025 150 yards away

    Two storey side extension and garage conversion to habitable room.

    Granted Householder Extension 6 docs
    Small domestic

  • 71 Gwern Rhuddi Road Cyncoed Cardiff CF23 6PS

    26/00781/NMA Submitted 20 Apr 2026 150 yards away

    Proposed Non-Material Amendment to Planning Permission 25/01318/HSE- replace flat roofing with mono pitch roof over living room and half hipped roof over bedroom area.

    Granted Amendments 5 docs

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