6 Llandennis Green Cyncoed Cardiff CF23 6JX

1. 4 Sep 2026

   Received by Cardiff

2. 10 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 22 Sep 2026

   Added to PlanIndex

4. 23 Sep 2026

   Decision issued: Permission Granted

Cardiff granted permission on 23 September 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.

• 5 Llandennis Green Cyncoed Cardiff CF23 6JX

  26/01759/CLPUD Submitted 19 Aug 2026 50 yards away

  Proposed rear single storey extension

  Granted Lawful development Extension 8 docs
  Small domestic

• 46 Duffryn Avenue Cyncoed Cardiff CF23 6JL

  26/01855/CLPUD Submitted 3 Sep 2026 50 yards away

  Proposed hip to gable, dormer loft conversion with addition of rooflights

  Granted Lawful development Loft or dormer 8 docs

• 9 Nant-fawr Close Cyncoed Cardiff CF23 6JP

  26/00562/HSE Submitted 20 Mar 2026 150 yards away

  Two storey rear extension.

  Granted Householder Extension 8 docs
  Domestic

• 3 Alltmawr Road Cyncoed Cardiff CF23 6NQ

  22/02497/HSE Submitted 24 Oct 2022 150 yards away

  Single Storey Rear Extension

  Granted Householder Extension 11 docs
  Small domestic

• 23 Llandennis Avenue Cyncoed Cardiff CF23 6JE

  26/00488/HSE Submitted 11 Mar 2026 200 yards away

  Single storey side garage. Two storey front and rear extensions. Single storey rear extension and loft conversion with two dormers.

  Granted Householder Extension Loft or dormer 15 docs
  Small domestic

• 45 Dan-y-coed Road Cyncoed Cardiff CF23 6ND

  25/02858/WTTPP Submitted 3 Dec 2025 200 yards away

  T1 Oak Remove deadwood and crown lift on south east side by reducing low limb over garden T2 Oak Remove deadwood T3 Oak Remove deadwood and crown lift on west/south west side by reducing limbs over garage and garden of number 47 (Approximately 2- 3m to suitable growth points)

  Granted Trees

• 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
• 26/01990/CLEUD Granted

  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