18 Castlefield Place Mynachdy Cardiff CF14 3DU

1. 22 Jan 2026

   Received by Cardiff

2. 11 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Apr 2026

   Decision issued: Permission Granted

4. 22 Jul 2026

   Added to PlanIndex

Cardiff granted permission on 24 April 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.

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.

• 209 North Road Mynachdy Cardiff CF14 3AG

  23/00165/HSE Submitted 24 Jan 2023 50 yards away

  Two Storey Side Extension and Ground Floor Rear Extension and alterations

  Granted Householder Extension 7 docs
  Domestic

• 60 Mynachdy Road Mynachdy Cardiff CF14 3EA

  21/01747/MNR Submitted 13 Jul 2021 100 yards away

  CHANGE OF USE OF DWELLING TO 6 BED HOUSE IN MULTIPLE OCCUPATION WITH TWO STOREY SIDE AND SINGLE STOREY REAR EXTENSIONS

  Withdrawn Full applications Extension 20 docs
  Small domestic

• 60 Mynachdy Road Mynachdy Cardiff CF14 3EA

  23/00030/FUL Submitted 5 Jan 2023 100 yards away

  Ground and First Floor Rear Extensions and rear dormer roof extension, converting dwelling house into House in Multiple Occupation

  Granted Full applications Extension Loft or dormer 12 docs
  Domestic

• 181 North Road Mynachdy Cardiff CF14 3AG

  24/02586/HSE Submitted 30 Oct 2024 100 yards away

  Ground & first floor rear extensions, removal of chimney, hip to gable roof extension with rear dormer loft conversion.

  Granted Householder Extension Loft or dormer 9 docs
  Domestic

• 65 Mynachdy Road Mynachdy Cardiff CF14 3DX

  22/03051/NMA Submitted 21 Dec 2022 150 yards away

  Proposed Non-Material Amendment to Planning Permission 18/00626/MNR - Reduction to scale of rear single storey extension. Alterations to scale and setting of rear dormer extension, position of roof light on front elevation and alterations to ground floor and second floor window and door units, with option to maintain pebbledash or through colour render to all elevations, removal of front cantilevered porchroof, all with associated external works

  Granted Amendments Extension Loft or dormer +1 6 docs
  Small domestic

• 8 Pilton Place Mynachdy Cardiff CF14 3DS

  24/02681/HSE Submitted 12 Nov 2024 200 yards away

  Ground and first floor rear extension

  Granted Householder Extension 6 docs
  Domestic

• 26/01907/HSE Awaiting decision

  46 Oakley Place Grangetown Cardiff CF11 7EW

  Rear dormer roof extension.

  Received 10 Sep, published by the council 13 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.

  Received 18 May, published by the council 22 Jul 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.

  Received 30 Jul, published by the council 6 Aug 2026 Householder
• 26/01592/HSE Granted

  20 Meadow Street Pontcanna Cardiff CF11 9PY

  Construction of single storey rear wrap around extension.

  Received 29 Jul, published by the council 6 Aug 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.

  Received 9 Sep, published by the council 13 Sep 2026 Householder