3 St Tanwg Road Heath Cardiff CF14 4JY

1. 18 May 2026

   Received by Cardiff

2. 19 Jun 2026

   Decision issued: Permission Granted

3. 22 Jul 2026

   Added to PlanIndex

Cardiff granted permission on 19 June 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 1 Heathway Heath Cardiff CF14 4JQ

  PD/09/00644/E Submitted 25 Aug 2009 50 yards away

  GARAGE

  Refused Prior approval

• 5 Heathway Heath Cardiff CF14 4JQ

  21/00657/DCH Submitted 16 Mar 2021 50 yards away

  THE DEMOLITION OF EXISTING CONSERVATORY AND SINGLE STOREY REAR AND SIDE EXTENSIONS AND CONSTRUCTION OF A SINGLE STOREY EXTENSION IN LIEU

  Granted Householder Extension Demolition 16 docs
  Small domestic

• 2 St Tanwg Road Heath Cardiff CF14 4JY

  22/02971/HSE Submitted 13 Dec 2022 100 yards away

  Proposed Granny Flat with Corridor Link to the side of the existing house

  Granted Householder 15 docs
  Domestic

• 38 Ton-yr-ywen Avenue Heath Cardiff CF14 4PA

  25/01654/CLPUD Submitted 16 Jul 2025 150 yards away

  Demolition of existing rear extension and erection of new single storey rear extension

  Granted Lawful development Extension Demolition 5 docs
  Small domestic

• 17 St Gowan Avenue Heath Cardiff CF14 4JX

  21/01169/DCH Submitted 10 May 2021 150 yards away

  DEMOLITION OF EXISTING DETACHED GARAGE AND CONSTRUCTION OF SINGLE STOREY REAR EXTENSION AND CONSTRUCTION OF A DETACHED STORE

  Granted Householder Extension Demolition 5 docs
  Small domestic

• 54 Ton-Yr-Ywen Avenue Heath Cardiff CF14 4PB

  21/01000/DCH Submitted 21 Apr 2021 150 yards away

  REMOVE TWO EXISTING DORMER STRUCTURES. ERECT A NEW MASONRY GABLE WALL AND PROVIDE A NEW REAR DORMER STRUCTURE WITH A NEW ROOF COVERING

  Granted Householder Loft or dormer Roofing 5 docs
  Domestic

• 26/01578/CLPUD Granted

  207 Fidlas Road Llanishen Cardiff CF14 5NA

  Proposed ancillary garden building

  Received 28 Jul, published by the council 6 Oct 2026 Lawful development
• 26/02084/CLPUD Awaiting decision

  24 Bassetts Field Rhiwbina Cardiff CF14 9UG

  Proposed single storey flat roof extension to rear

  Received 2 Oct, published by the council 6 Oct 2026 Lawful development
• 26/02050/CLPUD Awaiting decision

  First And Second Floor 85 Romilly Crescent Pontcanna Cardiff CF11 9NQ

  Change of use from Residential to C6 short-term let.

  Received 25 Sep, published by the council 6 Oct 2026 Lawful development
• 26/02053/CLPUD Awaiting decision

  32 Homelands Road Heath Cardiff CF14 1UJ

  Single storey rear extension.

  Received 24 Sep, published by the council 6 Oct 2026 Lawful development
• 26/01863/CLPUD Granted

  6 Llandennis Green Cyncoed Cardiff CF23 6JX

  Proposed conversion of existing integral garage to ancillary domestic accommodation, including minor internal alterations

  Received 4 Sep, published by the council 22 Sep 2026 Lawful development