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Planning application

40 Downton Road Rumney Cardiff CF3 3BJ

Granted Cardiff 26/01174/HSE Householder Planning Permission

Works: Extension Demolition 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 extension and demolition of existing detached garage.

As published by the council, reference 26/01174/HSE

Application record

Reference
26/01174/HSE
Type
Householder Planning Permission
Status
Decided
Decision
Permission Granted
Received
5 Jun 2026
Validated
5 Jun 2026
Decided
21 Jul 2026
Ward
RUMNEY
Decision by
Delegated to Group Leader
Postcode
CF3 3BJ

Timeline

Dates from the published record

  1. 5 Jun 2026

    Received by Cardiff

  2. 21 Jul 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

Deer Architects Agent, an architecture practice registered in Hoddesdon

Active · incorporated 2026 · Hoddesdon

17 applications on PlanIndex · across 3 councils · 82% granted

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Documents

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

7 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 21 July 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

  • 207 New Road Rumney Cardiff CF3 3BN

    26/00650/HSE Submitted 30 Mar 2026 99m away

    Single Storey Rear / Side Extension and Outbuilding, including demolition of existing single storey rear extension.

    Granted Householder Extension Demolition 17 docs
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  • 208 New Road Rumney Cardiff CF3 3BN

    25/02750/CLPUD Submitted 25 Nov 2025 117m away

    Single storey rear extension and associated works.

    Granted Lawful development Extension 7 docs
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  • Rompney Castle Wentloog Road Rumney Cardiff CF3 3EB

    24/01956/FUL Submitted 14 Aug 2024 126m away

    Demolition of public house.

    Refused Full applications Demolition 58 docs

  • 6 Pwll Mawr Avenue Rumney Cardiff CF3 3HH

    24/00844/HSE Submitted 11 Apr 2024 259m away

    93% historically approved · decision due ~21 Jun

    Proposed two storey side extension, single storey rear extension with rear conservatory. Front, side and rear dormer loft conversion. Demolition of building to rear of garden.

    Awaiting decision Householder Extension Loft or dormer +1 13 docs
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  • Land At Lamby Way Workshops Lamby Way Wentloog Cardiff CF3 2EQ

    21/00971/MNR Submitted 19 Apr 2021 260m away

    CONSTRUCTION OF COFFEE SHOP UTILISING 2NO. CONVERTED SHIPPING CONTAINERS WITH ASSOCIATED OUTDOOR SEATING, ROOF TERRACE AND 3NO. PARKING SPACES

    Granted Full applications 8 docs

  • 3 Caeglas Avenue Rumney Cardiff CF3 3JY

    26/01693/CLPUD Submitted 10 Aug 2026 260m away

    Hip to gable roof extension, rear dormer roof extension and addition of roof lights to front roof elevation

    Granted Lawful development Extension Loft or dormer 8 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