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Planning application

11 Celyn Avenue Cyncoed Cardiff CF23 6EH

Granted Cardiff 25/02809/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

Ground and first floor rear extension, rear dormer loft conversion and new entrance porch with external alterations.

As published by the council, reference 25/02809/HSE

Application record

Reference
25/02809/HSE
Type
Householder Planning Permission
Status
Decided
Decision
Permission Granted
Received
27 Nov 2025
Validated
27 Nov 2025
Decided
10 Feb 2026
Ward
CYNCOED
Decision by
Delegated to Group Leader
Postcode
CF23 6EH

Timeline

Dates from the published record

  1. 27 Nov 2025

    Received by Cardiff

  2. 10 Feb 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

SK DESIGNS Agent, a design practice

111 applications on PlanIndex · across 7 councils · 82% granted

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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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What this grant of permission means

Cardiff granted permission on 10 February 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

  • 6 Celyn Avenue Cyncoed Cardiff CF23 6EN

    25/00681/HSE Submitted 19 Mar 2025 51m away

    Two storey side and rear extensions, with rear dormer roof extension.

    Granted Householder Extension Loft or dormer 9 docs
    Domestic

  • 8 Lakeside Drive Cyncoed Cardiff CF23 6DD

    26/01740/HSE Submitted 17 Aug 2026 104m away

    93% historically approved · decision due ~12 Oct

    Demolition of garage. Double storey side extension, single storey side extension, rear first floor balcony. External chimney and chimney breast to be demolished.

    Awaiting decision Householder Extension Demolition 33 docs
    Small domestic

  • 12 Lakeside Drive Cyncoed Cardiff CF23 6DD

    26/00024/HSE Submitted 7 Jan 2026 132m away

    Part single-storey and part double-storey side and rear extension, including external works.

    Granted Householder Extension 9 docs
    Small domestic

  • 21 Llandennis Road Cyncoed Cardiff CF23 6EE

    21/00979/MNR Submitted 20 Apr 2021 173m away

    DEMOLITION OF EXISTING BUNGALOW AND CONSTRUCTION OF NEW DWELLING

    Withdrawn Full applications New dwelling Demolition 19 docs
    Domestic

  • 21 Llandennis Road Cyncoed Cardiff CF23 6EE

    22/02708/DOC Submitted 13 Nov 2022 174m away

    Discharge of Conditions 3 (Arboricultual Method Statement and Tree Protection Plan), 4 (Soft Landscaping) and 5 (Construction Environmental Management Plan) of 22/00482/MNR

    Granted Conditions Trees 14 docs

  • 49 Celyn Avenue Cyncoed Cardiff CF23 6EJ

    26/00916/HSE Submitted 4 May 2026 193m away

    Single storey rear, side and front porch extensions and demolition of garage/ storage.

    Refused Householder Extension Demolition 6 docs
    Small domestic

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