55 Everest Avenue Llanishen Cardiff CF14 5AQ

1. 15 Oct 2025

   Received by Cardiff

2. 30 Oct 2025

   Validated

   Checked as complete and ready for consideration.

3. 4 Feb 2026

   Decision issued: Permission Granted

4. 22 Jul 2026

   Added to PlanIndex

Cardiff granted permission on 4 February 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.

• 7 Tensing Close Llanishen Cardiff CF14 5AW

  25/02521/HSE Submitted 3 Nov 2025 100 yards away

  Single storey rear extension

  Granted Householder Extension 6 docs
  Small domestic

• 7 Hillary Close Llanishen Cardiff CF14 5AU

  24/01964/HSE Submitted 14 Aug 2024 100 yards away

  Single storey front extension with first floor extension and two storey side and rear extension to the existing house . New verandah to rear and softlandscaping to the front and rear gardens with external alterations to the existing house. Proposed works to create new family living spaces, ancillary to the existing dwelling house and extension to the existing dwelling house.

  Granted Householder Extension 23 docs
  Small domestic

• 35 Everest Avenue Llanishen Cardiff CF14 5AP

  25/01941/CLPUD Submitted 21 Aug 2025 100 yards away

  Hip to gable and rear dormer roof extension.

  Granted Lawful development Extension Loft or dormer 9 docs

• 4 Hunt Close Llanishen Cardiff CF14 5AT

  22/02738/CLD Submitted 15 Nov 2022 100 yards away

  Rear Extension

  Granted Lawful development Extension 6 docs

• Llanishen High School Heol Hir Llanishen Cardiff CF14 5YL

  21/00306/MJR Submitted 5 Feb 2021 150 yards away

  DISCHARGE OF CONDITIONS 3 (CYCLE PARKING) AND 6 (CHANGING ROOM COLOUR FINISH) OF 19/01779/MNR

  Granted Conditions 8 docs

• 39 Everest Avenue, Llanishen, Cardiff

  04/02098/E Submitted 26 Aug 2004 150 yards away

  SINGLE STOREY EXTENSION TO GARAGE

  Granted Householder Extension 3 docs
  Small domestic

• 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