8 Harriet Street Cathays Cardiff CF24 4BY

1. 10 Aug 2026

   Received by Cardiff

2. 13 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 5 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.

• 6 Harriet Street Cathays Cardiff CF24 4BY

  21/01003/DCH Submitted 21 Apr 2021 50 yards away

  ALTERATIONS TO EXISTING 2 FLATS BY RAISING REAR LEAN-TO ROOF AND CONSTRUCTION OF A REAR DORMER ROOF EXTENSION

  Granted Full applications New dwelling Extension +1 12 docs
  Several homes

• 2 Harriet Street Cathays Cardiff CF24 4BY

  24/01802/CLEUD Submitted 1 Aug 2024 50 yards away

  Class C4 HMO.

  Granted Lawful development 8 docs

• 60 Wyeverne Road Cathays Cardiff CF24 4BH

  24/01724/FUL Submitted 24 Jul 2024 50 yards away

  Proposed first floor side extension to create two additional bedrooms to the existing 4 bedroom hmo to make a 6 bed hmo with internal and external alterations.

  Granted Full applications Extension 14 docs

• 5 Fitzroy Street Cathays Cardiff CF24 4BL

  19/02922/DCH Submitted 4 Nov 2019 50 yards away

  LOFT CONVERSION WITH HIP TO GABLE ROOF EXTENSION, REAR DORMER ROOF EXTENSION AND INSTALLATION OF ROOFLIGHT TO FRONT ROOF ELEVATION

  Granted Lawful development Extension Loft or dormer 14 docs

• 46 Wyeverne Road Cathays Cardiff CF24 4BH

  23/00456/CLD Submitted 28 Feb 2023 50 yards away

  Hip to Gable Roof Extension and Rear Dormer Loft Conversion

  Granted Lawful development Extension Loft or dormer 7 docs

• 10 Mundy Place Cathays Cardiff CF24 4BZ

  22/02389/FUL Submitted 11 Oct 2022 50 yards away

  Refurbish and construct new second floor dormer to existing House in Multiple Occupation

  Granted Full applications Loft or dormer 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