47 Colchester Avenue Penylan Cardiff CF23 9AX

1. 31 Mar 2026

   Received by Cardiff

2. 22 May 2026

   Decision issued: Refuse

3. 22 Jul 2026

   Added to PlanIndex

Cardiff refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

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.

• 58 Waterloo Road Penylan Cardiff CF23 9BH

  23/00041/HSE Submitted 6 Jan 2023 50 yards away

  Single storey rear extension.

  Granted Householder Extension 6 docs
  Small domestic

• 31 Waterloo Road Penylan Cardiff CF23 9BG

  19/03050/DCH Submitted 20 Nov 2019 100 yards away

  SINGLE STOREY REAR EXTENSION WITH PITCHED ROOF

  Granted Householder Extension 6 docs
  Small domestic

• 3 Earl's Court Road Penylan Cardiff CF23 9DD

  21/01955/DCH Submitted 4 Aug 2021 100 yards away

  PROPOSED SINGLE STOREY SIDE & REAR EXTENSION & RELOCATION OF SHED

  Granted Householder Extension 7 docs
  Small domestic

• 15 Earl's Court Road Penylan Cardiff CF23 9DD

  21/01626/DCH Submitted 28 Jun 2021 100 yards away

  HIP TO GABLE ROOF EXTENSION WITH REAR DORMER AND REMOVAL AND REFURBISHMENT OF CHIMNEY STACKS

  Granted Householder Extension Loft or dormer 7 docs
  Domestic

• 61 Colchester Avenue Penylan Cardiff CF23 9AX

  21/01180/DCH Submitted 10 May 2021 100 yards away

  SINGLE STOREY REAR EXTENSION AND ALTERATIONS TO ROOF OF EXISTING EXTENSION

  Granted Householder Extension 6 docs
  Small domestic

• 51 Melrose Avenue Penylan Cardiff CF23 9AT

  22/01761/DCH Submitted 18 Aug 2022 100 yards away

  HIP TO GABLE AND REAR DORMER ROOF EXTENSION

  Refused Householder Extension Loft or dormer 10 docs
  Domestic

• 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