Land Adjacent To 13-18 Chumleigh Close Llanrumney Cardiff CF3 4BL

1. 17 Aug 2026

   Received by Cardiff

2. 24 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 12 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 full applications in a median of 85 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 5 Lynton Terrace Llanrumney Cardiff CF3 4BR

  26/01057/CLPUD Submitted 22 May 2026 50 yards away

  Rear dormer roof extension and addition of rooflights to the front roof elevation

  Granted Lawful development Extension Loft or dormer 9 docs

• 18 Lynton Terrace Llanrumney Cardiff CF3 4BR

  21/01773/DCH Submitted 15 Jul 2021 100 yards away

  93% historically approved · decision due ~14 Sep

  DEMOLITION OF AN EXISTING SINGLE-STOREY GARAGE AND THE CONSTRUCTION OF A DETACHED GRANNY ANNEX FOR USE AS ANCILLARY ACCOMMODATION TO THE MAIN DWELLINGHOUSE.

  Awaiting decision Householder Demolition 8 docs
  Small domestic

• 39 Llanrumney Avenue Llanrumney Cardiff CF3 4BQ

  26/01141/HSE Submitted 2 Jun 2026 250 yards away

  Converting conservatory to a solid-wall extension, rear dormer roof extension.

  Granted Householder Extension Loft or dormer 14 docs
  Small domestic

• 35 Ridgeway Road Llanrumney Cardiff CF3 4AB

  25/02904/HSE Submitted 10 Dec 2025 250 yards away

  New side outbuilding, existing to be demolished.

  Granted Householder Demolition 19 docs
  Small domestic

• 54 Cranleigh Rise Llanrumney Cardiff CF3 4AP

  26/00985/HSE Submitted 14 May 2026 300 yards away

  Single storey rear extension.

  Granted Householder Extension 8 docs
  Small domestic

• 4 Claremont Avenue Rumney Cardiff CF3 4LR

  21/01828/MNR Submitted 20 Jul 2021 300 yards away

  CONVERSION OF DETACHED DOUBLE GARAGE/WORKSHOP INTO A SELF-CONTAINED FLAT WITH DEMOLITION OF REAR WORKSHOP, EXTENSION TO THE FRONT AND A NEW DUTCH BARN ROOF

  Refused Full applications Extension Demolition 6 docs

• 26/01337/FUL Granted

  37 Wyeverne Road Cathays Cardiff CF24 4BG

  Extensions and alterations and change of use from dwelling (C3) to House in Multiple Occupation (C4) (HMO).

  Received 26 Jun, published by the council 22 Jul 2026 Full applications
• 26/01728/FUL Granted

  Unit 7b Cardiff Industrial Park Pennine Close Llanishen Cardiff CF14 5DN

  Installation of 5 no. external air source heat pump units

  Received 13 Aug, published by the council 24 Aug 2026 Full applications
• 26/01729/FUL Granted

  Unit 7b Cardiff Industrial Park Pennine Close Llanishen Cardiff CF14 5DN

  Replacement roller shutter.

  Received 13 Aug, published by the council 24 Aug 2026 Full applications
• 26/01216/FUL Granted

  4 Callaghan Square Butetown Cardiff CF10 5BT

  Internal and external alterations to an existing office building at ground floor and part first floor

  Received 12 Jun, published by the council 22 Jul 2026 Full applications
• 26/02099/FUL Awaiting decision

  20 Janet Street Splott Cardiff CF24 2BD

  Proposed conversion of dwelling to form two flats

  Received 5 Oct, published by the council 9 Oct 2026 Full applications