Glenwood 10 Ty-gwyn Crescent Penylan Cardiff CF23 5JL

1. 24 Apr 2026

   Received by Cardiff

2. 22 Jul 2026

   Added to PlanIndex

3. 24 Jul 2026

   Decision issued: Permission Granted

Cardiff granted permission on 24 July 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.

• Denstone Court Ty-gwyn Crescent Penylan Cardiff CF23 5LZ

  25/00086/WTTPP Submitted 13 Jan 2025 100 yards away

  2x Silver birch - crown reduction by 1.5 metres to create a balanced crown shape and prevent trees from encroaching into surrounding vegetation and property

  Granted Trees 5 docs

• Roselodge 1 Ty-Gwyn Crescent Penylan Cardiff CF23 5JL

  21/01778/MNR Submitted 15 Jul 2021 100 yards away

  Demolition of existing dwelling and erection of a replacement detached dwelling with associated access (from Ty Gwyn Avenue), parking and landscaping.

  Granted Full applications New dwelling Demolition 94 docs
  Domestic

• Isfryn 7 Ty-gwyn Crescent Penylan Cardiff CF23 5JL

  26/00754/DOC Submitted 16 Apr 2026 100 yards away

  Discharge of Condition 3 (Arboricultural Method Statement and Tree Protection Plan) of permission 24/01104/HSE

  Granted Conditions Trees 6 docs

• Penylan Cottage 1 Ty-gwyn Avenue Penylan Cardiff CF23 5JJ

  26/01018/DOC Submitted 18 May 2026 100 yards away

  Discharge of Conditon 3 (Arboricultural Method Statement and Tree Protection Plan) of 25/02382/HSE

  Granted Conditions Trees 6 docs

• Penylan Cottage 1 Ty-gwyn Avenue Penylan Cardiff CF23 5JJ

  25/02382/HSE Submitted 16 Oct 2025 100 yards away

  Removal of existing store. Two storey rear extension with incorporated first floor balcony. Associated alterations including alteration to front elevation.

  Granted Householder Extension 11 docs
  Domestic

• 9 Ty-gwyn Crescent Penylan Cardiff CF23 5JL

  25/02100/CLPUD Submitted 15 Sep 2025 100 yards away

  Repair works to the rear extension including altering the guttering to run externally via a hopper and as indicated on drawing and connecting into existing drainage, and repair where the render has blown by means of recladding.

  Granted Lawful development Extension 7 docs

• 26/01578/CLPUD Granted

  207 Fidlas Road Llanishen Cardiff CF14 5NA

  Proposed ancillary garden building

  Received 28 Jul, published by the council 6 Oct 2026 Lawful development
• 26/02084/CLPUD Awaiting decision

  24 Bassetts Field Rhiwbina Cardiff CF14 9UG

  Proposed single storey flat roof extension to rear

  Received 2 Oct, published by the council 6 Oct 2026 Lawful development
• 26/02050/CLPUD Awaiting decision

  First And Second Floor 85 Romilly Crescent Pontcanna Cardiff CF11 9NQ

  Change of use from Residential to C6 short-term let.

  Received 25 Sep, published by the council 6 Oct 2026 Lawful development
• 26/02053/CLPUD Awaiting decision

  32 Homelands Road Heath Cardiff CF14 1UJ

  Single storey rear extension.

  Received 24 Sep, published by the council 6 Oct 2026 Lawful development
• 26/01863/CLPUD Granted

  6 Llandennis Green Cyncoed Cardiff CF23 6JX

  Proposed conversion of existing integral garage to ancillary domestic accommodation, including minor internal alterations

  Received 4 Sep, published by the council 22 Sep 2026 Lawful development