1 Maes Y Draenog Tongwynlais Cardiff CF15 7JL

1. 16 Jul 2026

   Received by Cardiff

2. 14 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 9 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Cardiff took a median of 56 days over the applications it decided in the last year.

This application is with Cardiff for determination, against a statutory target of eight weeks. Over the last year Cardiff decided householder applications in a median of 59 days. More in our guide to how long planning decisions take.

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.

• 10 Maes Y Draenog Tongwynlais Cardiff CF15 7JL

  26/00198/CLPUD Submitted 30 Jan 2026 100 yards away

  Single storey rear extension to replace conservatory

  Granted Lawful development Extension 9 docs
  Small domestic

• Castell Coch Castle Road Tongwynlais Cardiff CF15 7JQ

  24/02254/WTTPFP Submitted 20 Sep 2024 250 yards away

  Trees numbered; 8, 9, Carry out work recommendations detailed treecare consulting survey 31/05/24 Groups of trees G5,6,7,13,14,16,17 & 18 Recommended work detailed in treecare consulting survey 31/5/24

  Granted Trees 3 docs

• Castell Coch Farm Mill Road Tongwynlais Cardiff CF15 7JQ

  26/01761/FUL Submitted 19 Aug 2026 350 yards away

  90% historically approved · decision due ~14 Oct

  Proposed subdivision of existing dwelling to create two self-contained dwellings; with associated internal reconfiguration, garage extension and alterations

  Awaiting decision Full applications Extension 16 docs
  Domestic

• 27 Castell Coch View Tongwynlais Cardiff CF15 7LA

  21/01113/DCH Submitted 4 May 2021 400 yards away

  REAR SINGLE STOREY EXTENSION

  Granted Householder Extension 5 docs
  Small domestic

• 3 Wellington Street Tongwynlais Cardiff CF15 7LP

  24/00968/HSE Submitted 26 Apr 2024 0.3 miles away

  New 2 Storey Side & Rear Extension with demolition of existing shed. Retrospective consent required for existing Garden Room.

  Granted Householder Extension Demolition 9 docs
  Small domestic

• 20 Mill Road Tongwynlais Cardiff CF15 7JP

  25/01327/DOC Submitted 9 Jun 2025 0.3 miles away

  Discharge of Condition 4 (Construction Method Statement) of 23/02511/HSE.

  Granted Conditions 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