Underhill Ton Road Llangybi Monmouthshire NP15 1PA

1. 17 Feb 2026

   Received by Monmouthshire

2. 15 Jul 2026

   Decision issued: Approve

3. 28 Jul 2026

   Added to PlanIndex

Monmouthshire granted permission on 15 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.

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.

• 3 St Cybi Drive Llangybi NP15 1TU

  DM/2026/00660 Submitted 22 May 2026 0.1 miles away

  96% historically approved · decision due ~17 Jul

  Demolition of existing garage and conservatory to make way for two-storey side and single storey rear extensions providing additional living space, including annex for intergenerational living

  Awaiting decision Householder Extension Demolition 23 docs
  Small domestic

• 2 St Cybi Avenue Llangybi Monmouthshire NP15 1TT

  DM/2026/00770 Submitted 24 Jun 2026 0.1 miles away

  Fell Alder tree multi stem. TPO MCC:112/T7

  Granted Trees

• 7 Kennett Grange Llangybi Monmouthshire NP15 1QF

  DM/2026/00745 Submitted 16 Jun 2026 0.1 miles away

  Fell Silver Birch. Tree is deteriorating, other birch is health and well. T5 and T6 present on the property.

  Granted Trees

• 4 Kennett Grange Llangybi Monmouthshire NP15 1QF

  DM/2023/00281 Submitted 20 Feb 2023 0.1 miles away

  Single storey rear extension

  Granted Householder Extension 17 docs
  Small domestic

• Land Adjacent To 32 Glan-y-nant Llangybi Monmouthshire NP15 1PZ

  DM/2023/00052 Submitted 10 Jan 2023 0.1 miles away

  Oak - Reduce crown by 4-5 meters. Lime - Reduce crown by 3-4 meters.

  Granted Trees 5 docs

• Rose Cottage Parc Road Llangybi Monmouthshire NP15 1PJ

  DM/2026/00600 Submitted 7 May 2026 0.2 miles away

  Retrospective Proposed addition of single-storey timber Garden room with pergola, small Garden Shed, Bike Store, Tool Shed and Hot Tub to private Garden

  Granted
  Small domestic

• DM/2025/01495 Granted

  Mountain Foot Pentre Road Abergavenny Monmouthshire NP7 7BE

  Two storey and single storey extension, external insulation and internal alterations to the property. Demolition of dilapidated garage.

  Received 26 Nov, published by the council 28 Jul 2026 Householder
• DM/2026/01040 Awaiting decision

  1 School Cottages Mathern Road Mathern Monmouthshire NP16 6JG

  Extension to current Garage structure to meet the boundary at the back and side of the current Garage. The Garage side and back will with then become the boundary which is currently provided by a stand alone fence. No other aspects of the garage will be changed as in its height or roof construction type.

  Received 21 Aug, published by the council 19 Sep 2026 Householder
• DM/2026/00043 Granted

  1 Fairoak Greenwood Road Penterry St Arvans Sir Fynwy NP16 6HJ

  Side extension wrapped around to rear of existing house.

  Received 15 Jan, published by the council 28 Jul 2026 Householder
• DM/2026/00780 Granted

  Blue Hills Old Stone Lane Undy Monmouthshire NP26 3EJ

  Proposed single-storey rear extension, alterations to the existing garage including replacement of the roof with a pitched roof, replacement windows and doors, external alterations and associated works.

  Received 26 Jun, published by the council 28 Jul 2026 Householder
• DM/2026/00604 Granted

  Stanley Cottage Gethley Road Parkhouse Trellech Monmouthshire NP25 4PU

  Demolition of two stone outbuildings and erection of two timber sheds.

  Received 8 May, published by the council 28 Jul 2026 Householder