3 Merion Street Williamstown Tonypandy Rhondda Cynon Taf CF40 1QU

1. 17 Jun 2026

   Received by Rhondda Cynon Taf

2. 18 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 28 Jul 2026

   Added to PlanIndex

4. 23 Sep 2026

   Decision issued: Approve

5. 23 Sep 2026

   Status changed to Decided

   Previously Pending Decision.

Rhondda Cynon Taf 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 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.

• 24 Chapel Street Penygraig Tonypandy CF40 1QS

  04/0121/FUL Submitted 23 Jan 2004 50 yards away

  Two storey rear extension.

  Refused Full applications Extension 6 docs

• 9 Brook Street Williamstown Tonypandy CF40 1RB

  21/1127/10 Submitted 9 Aug 2021 50 yards away

  Single storey extension and single garage.

  Granted Full applications Extension 10 docs
  Small domestic

• 8 Brook Street Williamstown Tonypandy CF40 1RB

  21/1126/10 Submitted 9 Aug 2021 50 yards away

  Single storey extension and single garage.

  Granted Full applications Extension 10 docs
  Small domestic

• Land Adjacent 22 David Street Williamstown Tonypandy CF40 1QY

  23/0046/39 Submitted 16 Jan 2023 100 yards away

  Non-material amendment to re-site approved pair of dwellings to be positioned separate from adjacent dwelling no.22 David Street.

  Granted Amendments 7 docs
  Domestic

• Land At George Street & David Street Williamstown Tonypandy Rhondda Cynon Taf

  26/0212/FUL Submitted 5 Mar 2026 100 yards away

  92% historically approved · decision due ~3 Jun

  Demolition of derelict garage and erection of proposed battery of 3 garages

  Awaiting decision Full applications Demolition 12 docs

• 17 Tynycai Place Penygraig Tonypandy CF40 1QW

  04/1082/FUL Submitted 4 Jun 2004 100 yards away

  Proposed extension to form a bedroom

  Granted Full applications Extension

• 26/0942/FUL Awaiting decision

  Performance Physiotherapy 31 Gelliwastad Road Pontypridd Rhondda Cynon Taf CF37 2BN

  Single storey rear extension.

  Received 29 Oct, published by the council 2 Nov 2026 Full applications
• 26/0933/FUL Awaiting decision

  7 Graig Isaf Aberdare Rhondda Cynon Taf CF44 7RD

  Proposed dormer loft conversion to rear elevation

  Received 26 Oct, published by the council 28 Oct 2026 Full applications
• 26/0928/FUL Awaiting decision

  176 Glan-y-ffordd Taff's Well Rhondda Cynon Taf CF15 7SP

  Wrap around single storey extension.

  Received 23 Oct, published by the council 28 Oct 2026 Full applications
• 26/0927/FUL Awaiting decision

  57 Nythbran Terrace Porth Rhondda Cynon Taf CF39 9TP

  Proposed two storey rear extension.

  Received 23 Oct, published by the council 27 Oct 2026 Full applications
• 26/0923/FUL Awaiting decision

  Former Gelliwion Quarry Gelliwion Road Maes-y-coed Pontypridd Rhondda Cynon Taf CF37 1EY

  Detached dwelling with off street parking and associated works

  Received 22 Oct, published by the council 2 Nov 2026 Full applications