47 Allerton Street Grangetown Cardiff CF11 6SL

1. 10 Jun 2026

   Received by Cardiff

2. 16 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 20 Jul 2026

   Decision issued: Permission Granted

4. 22 Jul 2026

   Added to PlanIndex

Cardiff granted permission on 20 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.

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.

• Mitias Coach House 20A Allerton Street Grangetown Cardiff CF11 6SJ

  23/01062/FUL Submitted 11 May 2023 66m away

  Retention of conversion of Coach House to Dwellinghouse including an upper floor extension

  Granted Full applications Extension 12 docs
  Domestic

• 34 Court Road Grangetown Cardiff CF11 6SB

  24/00669/FUL Submitted 20 Mar 2024 75m away

  Rear dormer loft conversion with front rooflights. Single storey side extension and conversion to class C4 HMO.

  Refused Full applications Extension Loft or dormer 10 docs
  Small domestic

• 18 Court Road Grangetown Cardiff CF11 6SB

  26/00374/CLEUD Submitted 23 Feb 2026 97m away

  Five self contained flats.

  Granted Lawful development New dwelling 14 docs

• 4 Dinas Street, Grangetown, Cardiff

  02/02545/R Submitted 18 Nov 2002 113m away

  REAR DORMER WINDOW

  Granted Householder Loft or dormer Windows or glazing
  Domestic

• Dees Court 10 Clare Road Grangetown Cardiff CF11 6QL

  26/01238/FUL Submitted 16 Jun 2026 132m away

  91% historically approved · decision due ~11 Aug

  Reconfiguration and conversion of existing building comprising 8 flats to 12 flats with new build construction of 3 flats to the rear, total 15 dwellings, with ancillary amenity space, waste provision area and covered bicycle storage

  Awaiting decision Full applications New dwelling 26 docs
  Several homes

• 30 Clare Road Grangetown Cardiff CF11 6RS

  24/00378/FUL Submitted 16 Feb 2024 138m away

  Conversion/ Change of Use from existing shop to a studio flat with ground floor rear extension.

  Granted Full applications Extension 9 docs

• 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