89 Morris Avenue Llanishen Cardiff CF14 5JY

1. 26 Nov 2025

   Received by Cardiff

2. 7 Jan 2026

   Decision issued: Permission Granted

3. 22 Jul 2026

   Added to PlanIndex

Cardiff granted permission on 7 January 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.

• 8 Deganwy Close Llanishen Cardiff CF14 5JT

  26/02096/HSE Submitted 5 Oct 2026 150 yards away

  93% historically approved · decision due ~30 Nov

  Porch extension.

  Awaiting decision Householder Extension 4 docs
  Small domestic

• 11 Llanon Road Llanishen Cardiff CF14 5AF

  26/01433/HSE Submitted 10 Jul 2026 200 yards away

  Rear dormer roof extension.

  Granted Householder Extension Loft or dormer 9 docs
  Domestic

• 2 Llanon Road, Llanishen, Cardiff

  03/01250/N Submitted 29 May 2003 200 yards away

  2 STOREY EXTENSION INCORPORATING GARAGE AND PORCH

  Granted Householder Extension
  Small domestic

• 13 Launcelot Crescent Thornhill Cardiff CF14 9AQ

  24/02457/HSE Submitted 15 Oct 2024 200 yards away

  Replacement of existing side garage with double storey extension, front porch extension and replacement roof to existing single storey extension.

  Granted Householder Extension Roofing 12 docs
  Small domestic

• 32 Templeton Avenue Llanishen Cardiff CF14 5JG

  25/01579/HSE Submitted 7 Jul 2025 250 yards away

  Single storey rear extension.

  Granted Householder Extension 7 docs
  Small domestic

• 31 Pendragon Close Thornhill Cardiff CF14 9BD

  26/01006/CLPUD Submitted 18 May 2026 250 yards away

  Rear dormer extension

  Refused Lawful development Extension Loft or dormer 8 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