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Planning application

DM/2026/00780

Blue Hills Old Stone Lane Undy Monmouthshire NP26 3EJ

Awaiting decision Monmouthshire Householder

Proposal

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.

As published by the council, reference DM/2026/00780

Timeline

Dates from the published record

  1. 26 Jun 2026

    Received by Monmouthshire

  2. 28 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Monmouthshire for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • DM/2026/00142 Granted

    53 Quarry Rise Undy Monmouthshire NP26 3JU

    2-storey side extension, rear single single extension and garden room.

    9 Feb 2026 132m away Householder
  • DM/2026/00657 Granted

    Clear Mount Vinegar Hill Undy Monmouthshire NP26 3EJ

    One and a half storey side extension containing a family room at ground floor level with mezzanine floor at first floor level. Inclusion of a dressed pennant stone external wall finish to front elevation of an existing side elevation, porch and front elevation of the proposed one and a half storey side extenstion.

    21 May 2026 141m away Amendments
  • DM/2025/01256 Granted

    Clear Mount Vinegar Hill Undy Monmouthshire NP26 3EJ

    One and a half storey side extension containing family room at ground floor level with mezzanine floor at first floor level.

    25 Sep 2025 141m away Householder
  • DM/2026/00527 Awaiting decision

    4 Hunters Ridge Undy Monmouthshire NP26 3PW

    We are proposing the construction of a single-storey rear extension to a detached four-bedroom residential property. The extension will project approximately 3 metres from the existing dining room and measure approximately 4 metres in width. The development will increase the internal floor space of the ground floor and is intended to improve the layout and functionality of the existing living space. No additional residential units are proposed.

    22 Apr 2026 222m away Lawful development
  • DM/2025/01075 Granted

    28 Rockfield Way Undy Monmouthshire NP26 3FD

    Rear kitchen extension, single storey

    14 Aug 2025 355m away Householder
  • DM/2025/01493 Granted

    Windy Ridge Tump Lane Undy Monmouthshire NP26 3BW

    NMA relating to planning DM/2023/01304. 2 north facing windows have been reduced in size and one east facing window has been changed to a fully glazed patio door for better access to garden/patio area. A defined section of the south facing wall is reverting back to a brick finish rather than render (samples of the brick finish will be on site from today).

    26 Nov 2025 375m away Amendments

In Monmouthshire

  • DM/2026/00579 Granted

    Great Manson Hall Manson Lane Manson Monmouthshire NP25 5RD

    Ground-mounted Solar PV installation and rear patio works at Great Manson Hall.

    5 May 2026 Householder
  • DM/2026/00517 Granted

    Heathfield Monmouth Road Usk Monmouthshire NP15 1SE

    Proposed single storey ground floor extension to the rear of the property

    21 Apr 2026 Householder
  • DM/2026/00586 Granted

    161 Longfellow Road Caldicot NP26 4LF

    Erection of a front porch extension (approximately 4.10m x 2.87m) on existing hardstanding, together with alteration of the roof over the existing front garage to form a pitched roof over the garage and proposed porch.

    6 May 2026 Householder
  • DM/2026/00571 Granted

    Rhewl Farm Shirenewton To Rhewl Farm Shirenewton Monmouthshire NP16 6AG

    Demolition of existing porch and partial demolition of lean to, constriction of new porch and insertion of bifiold doors with all associated works.

    5 May 2026 Householder
  • DM/2026/00415 Granted

    Fairwinds Chapel Lane Pwllmeyric Monmouthshire NP16 6JS

    Demolish existing single storey garage and rear room to the existing. Construct two storey extension to side and rear, with pitched roof to match the existing. Extend rear dormer roof. Enlarge window to front bedroom and form balcony

    31 Mar 2026 Householder