3 Clos Penyfai, Llanelli, SA15 4EJ

1. 19 Sep 2025

   Received by Carmarthenshire

2. 19 Nov 2025

   Decision issued: Householder Granted

3. 28 Jul 2026

   Added to PlanIndex

Carmarthenshire granted permission on 19 November 2025, 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 28 Pen Y Fai Lane, Llanelli, SA15 4EN

  PL/05236 Submitted 16 Dec 2022 150 yards away

  Change of use of grazing paddock to an extended domestic curtilage with construction of a garage outbuilding

  Granted Full applications 20 docs

• 33 PENYFAI LANE, LLANELLI, SA15 4EN

  S/33428 Submitted 15 Feb 2016 150 yards away

  PROPOSED ALTERATIONS WITH A SINGLE STOREY EXTENSION TO REAR OF PROPERTY, SINGLE STOREY EXTENSION TO FRONT ELEVATION TO PROVIDE AN UTILITY ROOM, EN-SUITE TO MASTER BEDROOM AND ATTIC CONVERSION TO PROVIDE TWO BEDROOMS, SHOWER ROOM AND STORAGE

  Granted Householder Extension Loft or dormer 12 docs
  Small domestic

• FORMER NRW NATIONAL LABORATORY SERVICE, PEN-Y-FAI LANE, LLANELLI, SA15 4EL

  S/36817 Submitted 31 Jan 2018 150 yards away

  PROPOSED DEMOLITION OF EXISTING BUILDINGS AND PROPOSED RESIDENTIAL DEVELOPMENT, INCLUDING ACCESS, DRAINAGE, CAR PARKING, OPEN SPACE, LANDSCAPING AND ASSOCIATED ENGINEERING OPERATIONS

  Granted Outline New dwelling Demolition 39 docs

• Land at the former NRW National Laboratory Service, Pen Y Fai Lane, Furnace, Llanelli, SA15 4EL

  PL/00588 Submitted 1 Oct 2020 150 yards away

  Reserved Matters application for 13 No Dwellings and associated Discharge of Conditions 4, 5, 6, 7, 8, 9, 10, 11 and 12 pursuant to Outline permission (Ref: S/36817)

  Granted Reserved matters 200 docs
  Major scheme

• 3 Y Gelli, Llanelli, SA15 4EZ

  PL/10133 Submitted 11 Nov 2025 150 yards away

  Application for Tree works for the removal and replacement of two Sycamore trees within Zone G of the TPO reference map

  Granted Trees 3 docs

• 2 ST MARGARETS DRIVE, LLANELLI, SA15 4EW

  S/32766 Submitted 17 Sep 2015 200 yards away

  GARAGE

  Granted Full applications 10 docs

• PL/11298 Granted

  51 Kings Road, Llandybie, Ammanford, SA18 2TL

  Rear two storey extension to dwelling house

  Received 14 Aug, published by the council 9 Sep 2026 Householder
• PL/11498 Awaiting decision

  10 Hewlett Road, Pontyberem, Llanelli, SA15 5LU

  Double storey side and rear extension

  Received 2 Oct, published by the council 11 Oct 2026 Householder
• PL/11117 Granted

  41 Ashburnham Road, Pembrey, Llanelli, SA16 0TP

  Proposed front access and rear parking to existing dwelling

  Received 7 Jul, published by the council 28 Jul 2026 Householder
• PL/10820 Refused

  66 Teglan Park, Ammanford, SA18 3RA

  New extension to fulfil the needs of a Disabled Facilitates Grant

  Received 27 Apr, published by the council 28 Jul 2026 Householder
• PL/11464 Awaiting decision

  Tegfryn, Newcastle Emlyn, SA38 9RD

  Proposed Extensions and Alterations to existing dwelling

  Received 28 Sep, published by the council 11 Oct 2026 Householder