21 Agincourt Square Monmouth Monmouthshire NP25 3DY

1. 22 Aug 2025

   Received by Monmouthshire

2. 30 Jan 2026

   Decision issued: Approve

3. 28 Jul 2026

   Added to PlanIndex

Monmouthshire granted permission on 30 January 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.

• 17-18 Agincourt Square Monmouth Monmouthshire

  DM/2020/01713 Submitted 20 Nov 2020 50 yards away

  Change of use from commercial office Space (A2) to residential dwelling (C3a).

  Granted Full applications 7 docs
  Domestic

• Monmouthshire County Council Offices Shire Hall Agincourt Square Monmouth Monmouthshire NP25 3DY

  DM/2026/00915 Submitted 23 Jul 2026 50 yards away

  99% historically approved · decision due ~12 Oct

  Discharge of conditions 1-6 of DM/2024/01531

  Awaiting decision Conditions 10 docs

• Castle Hill House Castle Hill Monmouth Monmouthshire NP25 3BS

  DM/2024/01233 Submitted 2 Oct 2024 50 yards away

  Rear extension, Remove ducted air system, linings, and modern partitions, remove service staircase. Garage parapet, EV charging point to front elevation and PV panels

  Granted Householder Extension 32 docs
  Domestic

• Castle Hill House Castle Hill Monmouth Monmouthshire NP25 3BS

  DM/2024/01234 Submitted 2 Oct 2024 50 yards away

  LBC Rear extension, Remove ducted air system, linings, and modern partitions. Garage parapet & PV panels

  Granted Heritage and listed buildings Extension 30 docs

• Principality Building Society 1 Monnow Street Monmouth Monmouthshire NP25 3EF

  DM/2026/00173 Submitted 13 Feb 2026 50 yards away

  Erection of a black metal security fence at the rear boundary

  Granted Heritage and listed buildings 17 docs
  Small domestic

• Principality Building Society 1 Monnow Street Monmouth Monmouthshire NP25 3EF

  DM/2026/00172 Submitted 13 Feb 2026 50 yards away

  Erection of a black metal security fence at the rear boundary.

  Granted Full applications 18 docs
  Small domestic

• DM/2026/00668 Granted

  Belmont House Residential Home 4 Belmont Road Abergavenny Monmouthshire NP7 5HN

  Erection of single detached dwelling.

  Received 26 May, published by the council 28 Jul 2026 Full applications
• DM/2026/01093 Awaiting decision

  Collingwood Cwrt Bleddyn Hotel To Dowlais Brook Llangybi Monmouthshire NP15 1NP

  Change of use, commercial space to be incorporated into residential.

  Received 9 Sep, published by the council 10 Oct 2026 Full applications
• DM/2026/01091 Awaiting decision

  Piccadilly Cottage Piccadilly Spur St Arvans Monmouthshire NP16 6EY

  Replacement of the existing two-storey dwelling at Piccadilly Cottage with a new single storey house, together with associated external works including the provision of a new driveway and parking for occupants.

  Received 8 Sep, published by the council 10 Oct 2026 Full applications
• DM/2026/01074 Awaiting decision

  7 The Cot Greenwood Road Penterry St Arvans Monmouthshire NP16 6HL

  The proposed development comprises the demolition of the existing house to foundation level and the erection of a replacement dwelling with associated external works.

  Received 3 Sep, published by the council 10 Oct 2026 Full applications
• DM/2026/01061 Awaiting decision

  Caerwent Quarry Sandy Lane Caerwent Brook Caerwent Monmouthshire

  Proposed development of holiday cabins, reception building, car parking, landscaping, engineering, drainage and associated works.

  Received 27 Aug, published by the council 8 Sep 2026 Full applications