18 Trem Y Coed St Fagans Cardiff CF5 6FB

1. 5 Jan 2026

   Received by Cardiff

2. 19 Jan 2026

   Decision issued: Permission Granted

3. 22 Jul 2026

   Added to PlanIndex

Cardiff granted permission on 19 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.

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.

• 35 Trem Y Coed St Fagans Cardiff CF5 6FA

  25/02547/HSE Submitted 4 Nov 2025 145m away

  Two storey side extension with raising of ridge and dormer extension to provide an additional storey.

  Granted Householder Extension Loft or dormer 9 docs
  Domestic

• Lilyvale Trem Y Coed St Fagans Cardiff CF5 6FH

  26/01685/HSE Submitted 7 Aug 2026 165m away

  93% historically approved · decision due ~2 Oct

  Rear single storey and two storey extension

  Awaiting decision Householder Extension 10 docs
  Small domestic

• 15 Trem Y Coed St Fagans Cardiff CF5 6FA

  21/01229/DCH Submitted 13 May 2021 204m away

  REAR DORMER ROOF EXTENSION

  Refused Householder Extension Loft or dormer 6 docs
  Domestic

• 15 Cwrt Y Cadno St Fagans Cardiff CF5 4PJ

  25/01614/HSE Submitted 10 Jul 2025 261m away

  Single storey lower ground rear extension to replace existing conservatory. Introduction of roof terrace at ground floor level over new lower ground rear extension. New recessed balcony to rear of first floor master bedroom.

  Granted Householder Extension 9 docs
  Small domestic

• 6 Cwrt Y Cadno St Fagans Cardiff CF5 4PJ

  25/02642/WTTPP Submitted 12 Nov 2025 274m away

  Front of 6 Cwrt y Cadno Horse Chestnut T3 (1368) as per report - reduce height of tree by 4 metres distally and bring remaining crown into shape. Horse Chestnut T4 (1369) as per report - end weight reduction of all major branches in the crown by reducing height of tree by 4 metres distally and bring remaining crown into shape.

  Granted Trees 4 docs

• The Barn Great House Farm Michaelston Road St Fagans Cardiff CF5 6FL

  25/01665/HSE Submitted 16 Jul 2025 279m away

  Proposed single-storey extension to link the existing main house and outbuilding.

  Refused Householder Extension 7 docs
  Small domestic

• 26/01775/CLEUD Granted

  62 Cottrell Road Roath Cardiff CF24 3EZ

  Use of the property as 2 residential care flats (Class C2).

  Received 20 Aug, published by the council 29 Aug 2026 Lawful development
• 26/01773/CLEUD Granted

  32 Connaught Road Roath Cardiff

  Use of the property as 5 residential care flats (Class C2).

  Received 20 Aug, published by the council 29 Aug 2026 Lawful development
• 26/01774/CLEUD Granted

  57 Connaught Road Roath Cardiff CF24 3PW

  Use of the property as 4 residential care flats (Class C2).

  Received 20 Aug, published by the council 29 Aug 2026 Lawful development
• 26/01883/CLPUD Awaiting decision

  Heathfield 135 Pantbach Road Heath Cardiff CF14 1TY

  Proposed enlargement of the existing single-storey rear extension and removal of the existing flat roof and construction of a pitched roof over the enlarged extension with associtated works

  Received 8 Sep, published by the council 13 Sep 2026 Lawful development
• 26/01990/CLEUD Awaiting decision

  5 Talworth Street Roath Cardiff CF24 3EH

  Use of the property as a C4 House in Multiple Occupation (HMO).

  Received 8 Sep, published by the council 13 Sep 2026 Lawful development