70 St Isan Road Heath Cardiff CF14 4LY

This site has had 3 applications since 2025: 2 approved, 1 refused.

• 25/02484/HSE Granted

  70 St Isan Road Heath Cardiff CF14 4LY

  Ground and first floor rear and side extensions with rear dormer loft conversion and hip to gable roof.

  Decided 19 Feb 2026 Householder
• 25/01279/HSE Refused

  70 St Isan Road Heath Cardiff CF14 4LY

  Two storey front extension, ground and first floor rear extensions, hip to gable and rear dormer roof extensions.

  Decided 15 Sep 2025 Householder

1. 26 May 2026

   Received by Cardiff

2. 22 Jul 2026

   Added to PlanIndex

3. 7 Aug 2026

   Decision issued: Permission Granted

Cardiff granted permission on 7 August 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.

• 70 St Isan Road Heath Cardiff CF14 4LY

  25/01279/HSE Submitted 3 Jun 2025 50 yards away

  Two storey front extension, ground and first floor rear extensions, hip to gable and rear dormer roof extensions.

  Refused Householder Extension Loft or dormer 8 docs
  Domestic

• 70 St Isan Road Heath Cardiff CF14 4LY

  25/02484/HSE Submitted 28 Oct 2025 50 yards away

  Ground and first floor rear and side extensions with rear dormer loft conversion and hip to gable roof.

  Granted Householder Extension Loft or dormer 16 docs
  Domestic

• 8 St Ina Road Heath Cardiff CF14 4LS

  26/01619/HSE Submitted 31 Jul 2026 50 yards away

  Garage demolition, replaced with single storey extension linked to house

  Granted Householder Extension Demolition 12 docs
  Small domestic

• 51 St Isan Road Heath Cardiff CF14 4LW

  26/01221/CLPUD Submitted 12 Jun 2026 100 yards away

  Single storey rear extension.

  Granted Lawful development Extension 12 docs
  Small domestic

• 71 St Isan Road Heath Cardiff CF14 4LW

  24/02215/HSE Submitted 17 Sep 2024 100 yards away

  To demolish and replace existing garage with single storey ancillary accommodation

  Granted Householder Demolition 6 docs
  Small domestic

• 17 St Ina Road Heath Cardiff CF14 4LS

  21/00834/DCH Submitted 6 Apr 2021 100 yards away

  SINGLE STOREY SIDE EXTENSION WHICH INCLUDES A DORMER EXTENSION TO FRONT ELEVATION

  Granted Householder Extension Loft or dormer 17 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