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Planning application

23 Llandennis Avenue Cyncoed Cardiff CF23 6JE

Granted Cardiff 26/00488/HSE Householder Planning Permission

Works: Extension Loft or dormer 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

Single storey side garage. Two storey front and rear extensions. Single storey rear extension and loft conversion with two dormers.

As published by the council, reference 26/00488/HSE

Application record

Reference
26/00488/HSE
Type
Householder Planning Permission
Status
Decided
Decision
Permission Granted
Received
11 Mar 2026
Validated
11 Mar 2026
Decided
1 May 2026
Ward
CYNCOED
Decision by
Chair (1- 5 Reps)
Postcode
CF23 6JE

Timeline

Dates from the published record

  1. 11 Mar 2026

    Received by Cardiff

  2. 1 May 2026

    Decision issued: Permission Granted

  3. 22 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

FRANKS AND TOMS ARCHITECTS LIMITED Agent, an architecture practice registered in Cardiff

Active · incorporated 2011 · Cardiff

89 applications on PlanIndex · across 5 councils · 93% granted

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Documents

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

15 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 this grant of permission means

Cardiff granted permission on 1 May 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 500 metres

  • 42 Pennant Crescent Cyncoed Cardiff CF23 6LN

    26/01345/HSE Submitted 29 Jun 2026 44m away

    Erection of a double storey rear extension with a conversion to existing garage and porch addition.

    Withdrawn Householder Extension 12 docs
    Small domestic
  • 83 Ogwen Drive Lakeside Cardiff CF23 6LJ

    21/01346/DCH Submitted 26 May 2021 112m away

    REMOVAL OF EXISTING GARAGE AND CONSTRUCTION OF SINGLE STOREY SIDE EXTENSION WITH PORCH EXTENSION

    Granted Householder Extension 5 docs
    Small domestic
  • 34 Duffryn Avenue Lakeside Cardiff CF23 6LF

    21/01066/DCH Submitted 27 Apr 2021 137m away

    GROUND FLOOR REAR EXTENSION

    Granted Householder Extension 11 docs
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  • 11 Llyn Close Cyncoed Cardiff CF23 6LG

    23/00055/HSE Submitted 10 Jan 2023 151m away

    Two-storey extension to existing detached dormer bungalow.

    Granted Householder Extension Loft or dormer 10 docs
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  • 5 Llandennis Green Cyncoed Cardiff CF23 6JX

    26/01759/CLPUD Submitted 19 Aug 2026 161m away

    Proposed rear single storey extension

    Granted Lawful development Extension 8 docs
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  • 46 Duffryn Avenue Cyncoed Cardiff CF23 6JL

    26/01855/CLPUD Submitted 3 Sep 2026 169m away

    93% historically approved · decision due ~29 Oct

    Proposed hip to gable loft conversion

    Awaiting decision Lawful development Loft or dormer 6 docs

In Cardiff

  • 26/01907/HSE Awaiting decision

    46 Oakley Place Grangetown Cardiff CF11 7EW

    Rear dormer roof extension.

    10 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.

    18 May 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.

    30 Jul 2026 Householder
  • 26/01592/HSE Granted

    20 Meadow Street Pontcanna Cardiff CF11 9PY

    Construction of single storey rear wrap around extension.

    29 Jul 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.

    9 Sep 2026 Householder