173 Rhymney Street Cathays Cardiff CF24 4DL

1. 6 Jul 2026

   Received by Cardiff

2. 20 Jul 2026

   Decision issued: Permission Granted

3. 22 Jul 2026

   Added to PlanIndex

Cardiff granted permission on 20 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.

• 175 Rhymney Street Cathays Cardiff CF24 4DL

  22/02885/FUL Submitted 1 Dec 2022 50 yards away

  Change of use from a C3 dwelling house to a seven person House in Multiple Occupation (sui generis), rear dormer roof extension, single storey rear extension, insertion of roof light to the front roof plane and associated alterations

  Granted Full applications Extension Loft or dormer 9 docs
  Small domestic

• 181 Rhymney Street Cathays Cardiff CF24 4DL

  24/01585/FUL Submitted 8 Jul 2024 50 yards away

  Change of use to sui generis large HMO with ground floor rear extension, rear dormer loft conversion and external alterations.

  Granted Full applications Extension Loft or dormer 10 docs

• 120 Coburn Street Cathays Cardiff CF24 4BT

  24/02059/CLEUD Submitted 29 Aug 2024 50 yards away

  Lawful Existing Use of Large Sui Generis house.

  Granted Lawful development 6 docs

• Welsh Evangelical Church 110 Harriet Street Cathays Cardiff CF24 4BX

  26/01912/FUL Submitted 10 Sep 2026 50 yards away

  90% historically approved · decision due ~5 Nov

  Partial demolition of church hall and conversion to 2no. 6 bed C4 HMOs; two storey side extension for use as 2no. 1 bed duplex apartments, including roof terrace; single storey side extension; new window openings and rooflights; detached coffee shop kiosk; and associated works.

  Awaiting decision Full applications New dwelling Extension +3 14 docs
  Small domestic

• Former Welsh Evangelical Church 110 Harriet Street Cathays Cardiff CF24 4BX

  26/01909/NMA Submitted 10 Sep 2026 50 yards away

  98% historically approved · decision due ~5 Nov

  Proposed Non-Material Amendment to Planning Permission 25/02548/FUL - to alter internal arrangement to provide vertical apartment layouts and minor fenestration adjustments.

  Awaiting decision Amendments Windows or glazing 5 docs

• Welsh Evangelical Church 110 Harriet Street Cathays Cardiff CF24 4BX

  25/02548/FUL Submitted 4 Nov 2025 50 yards away

  Conversion of Church Hall to 2 No. of Class C4 House in Multiple Occupation (HMO) with two storey side extension and other alterations; and a detached Coffee Shop Kiosk.

  Granted Full applications Extension 12 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