54 Ty-to-maen Close Old St Mellons Cardiff CF3 5EZ

1. 9 Mar 2026

   Received by Cardiff

2. 11 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Apr 2026

   Decision issued: Permission Granted

4. 22 Jul 2026

   Added to PlanIndex

Cardiff granted permission on 21 April 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.

• 47 Ty-to-maen Close Old St Mellons Cardiff CF3 5EZ

  25/01362/HSE Submitted 12 Jun 2025 100 yards away

  Demolition of conservatory and construction of single storey rear extension.

  Granted Householder Extension Demolition 8 docs
  Small domestic

• Plantos Day Nursery Wern Fawr House Eastern Business Park Wern Fawr Lane Old St Mellons Cardiff CF3 5XA

  21/01467/MNR Submitted 10 Jun 2021 150 yards away

  PROPOSED EXTENSION OF CURTILAGE AND INSTALLATION OF MODULAR BUILDING TO PROVIDE ADDITIONAL SPACE FOR EXISTING PLANTOS DAY NURSERY

  Granted Full applications Extension 18 docs

• 1 White Oaks Drive Old St Mellons Cardiff CF3 5EX

  21/00275/DCH Submitted 3 Feb 2021 150 yards away

  TWO STOREY SIDE AND REAR EXTENSIONS WITH REMOVAL OF EXISTING CONSERVATORY, FRONT ENTRANCE PORCH EXTENSION COVERING TWO STOREYS, SIDE DORMER EXTENSIONS AND ADDITION OF NEW CROSSOVER ACCESS

  Granted Householder Extension Loft or dormer 10 docs
  Small domestic

• Building 1 Eastern Business Park Wern Fawr Lane Old St Mellons Cardiff CF3 5XW

  25/00240/FUL Submitted 30 Jan 2025 250 yards away

  Replacement canopy to the front entrance, together with external alterations to the building including replacement glazing and cladding.

  Granted Full applications Windows or glazing 33 docs

• The Former Changing Rooms Old St Mellons Community Field Tyr Winch Road Old St Mellons Cardiff CF3 5UX

  24/00220/FUL Submitted 31 Jan 2024 250 yards away

  Proposed conversion and refurbishment to create a community pavillion.

  Granted Full applications 19 docs

• Ty'r Winch Recreation Ground Ty'r Winch Road Old St Mellons Cardiff CF3 6XL

  25/01504/FUL Submitted 26 Jun 2025 250 yards away

  Demolition of existing changing rooms and re-build as community pavilion.

  Granted Full applications Demolition 10 docs

• 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