9 Ullswater Avenue Cyncoed Cardiff CF23 5PT

1. 1 May 2026

   Received by Cardiff

2. 22 Jul 2026

   Added to PlanIndex

3. 24 Jul 2026

   Decision issued: Permission Granted

Cardiff granted permission on 24 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.

• 11 Keswick Avenue Roath Park Cardiff CF23 5PU

  21/01697/DCH Submitted 8 Jul 2021 100 yards away

  DEMOLITION OF GARAGE AND CONSTRUCTION OF NEW BOUNDARY WALL WITH ROLLER SHUTTER DOOR

  Granted Householder Demolition 6 docs
  Small domestic

• 7 Windermere Avenue Cyncoed Cardiff CF23 5PQ

  25/02812/CLPUD Submitted 27 Nov 2025 100 yards away

  Certificate of Lawfulness for a proposed hip-to-gable roof extension and rear dormer extension with rooflights to front elevation, under permitted development rights

  Granted Lawful development Extension Loft or dormer 6 docs

• 81 Lake Road West Roath Park Cardiff CF23 5PH

  22/00040/DCH Submitted 10 Jan 2022 150 yards away

  SINGLE STOREY SIDE EXTENSION AND DORMER ROOF EXTENSION

  Refused Householder Extension Loft or dormer 29 docs
  Small domestic

• 81 Lake Road West Roath Park Cardiff CF23 5PH

  21/01376/DCH Submitted 28 May 2021 150 yards away

  SINGLE STOREY SIDE EXTENSION AND DORMER ROOF EXTENSION

  Refused Householder Extension Loft or dormer 20 docs
  Small domestic

• 2 Windermere Avenue Cyncoed Cardiff CF23 5PQ

  26/00694/CLPUD Submitted 7 Apr 2026 150 yards away

  Hip to gable Loft conversion with flat roof rear Dormer.

  Refused Lawful development Loft or dormer 10 docs

• 9 Windermere Avenue Roath Park Cardiff CF23 5PQ

  PD/09/00893/E Submitted 24 Nov 2009 150 yards away

  LOFT CONVERSION AND ROOF EXTENSIONS

  Refused Prior approval Extension Loft or dormer

• 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