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 50 yards 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 100 yards 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 100 yards away

  Five self contained flats.

  Granted Lawful development New dwelling 14 docs

• 4 Dinas Street, Grangetown, Cardiff

  02/02545/R Submitted 18 Nov 2002 100 yards 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 150 yards away

  90% 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

• Builders Yard 12A Allerton Street Grangetown Cardiff CF11 6SJ

  20/02464/MNR Submitted 26 Nov 2020 150 yards away

  DEMOLITION OF EXISTING BUILDERS STORE / WORKSHOP AND ERECTION OF NEW DEVELOPMENT TO FORM 3 TERRACED DWELLINGS

  Withdrawn Full applications Demolition 30 docs

• 26/02112/HSE Awaiting decision

  7 Penydarren Drive Whitchurch Cardiff CF14 2TT

  Proposed Single Storey Side/Rear Extension with Garage Conversion

  Received 7 Oct, published by the council 9 Oct 2026 Householder
• 26/02113/HSE Awaiting decision

  78 Mill Road Lisvane Cardiff CF14 0UG

  PROPOSED FIRST FLOOR EXTENSION AT SIDE OF HOUSE

  Received 7 Oct, published by the council 9 Oct 2026 Householder
• 26/01702/HSE Granted

  45 Gwern Rhuddi Road Cyncoed Cardiff CF23 6PS

  Two storey and single storey rear extensions (development similar to that as approved under 25/00533/HSE with additional first floor part).

  Received 10 Aug, published by the council 24 Aug 2026 Householder
• 26/02104/HSE Awaiting decision

  15 Brynteg Rhiwbina Cardiff CF14 6TS

  Proposed single storey rear extension to the existing semi-detached dwelling including minor internal and external modifications

  Received 6 Oct, published by the council 9 Oct 2026 Householder
• 26/02102/HSE Awaiting decision

  49 Kimberley Road Penylan Cardiff CF23 5DL

  Proposed ground floor rear side return extension

  Received 6 Oct, published by the council 9 Oct 2026 Householder