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Planning application

High Trees Steep Street Chepstow Monmouthshire NP16 5PJ

Granted Monmouthshire DM/2026/00379 Householder

Permission granted. Work must normally begin within five years of the decision or the permission lapses.

Proposal

We have three old gas boilers, two of which have been condemned, and we would like to install two Air Source Heat Pumps so as to be more sustainable and emit a fraction of the greenhouse gasses that we have been doing. The units will not be physically attached to the fabric of the building, but we will need to drill through the external wall to connect the hot water pipes. We have submitted pre-application DM/2026/00267 and have been advised by Sarah Jones that "The Heritage Team would not require listed building consent for the new pipe runs as these are minor enough to be classed as de minimise. We also plan to install battery storage to further enhance the sustainability of the solution. The battery equipment is planned to be installed in a basement room.

As published by the council, reference DM/2026/00379

Application record

Reference
DM/2026/00379
Type
Householder
Status
Decided
Decision
Granted As published: Approve
Received
24 Mar 2026
Validated
30 Mar 2026
Decided
26 May 2026
Ward
Mount Pleasant
Parish
Chepstow Town Council
Decision by
Delegated Officer
Postcode
NP16 5PJ

Timeline

Dates from the published record

  1. 24 Mar 2026

    Received by Monmouthshire

  2. 30 Mar 2026

    Validated

    Checked as complete and ready for consideration.

  3. 26 May 2026

    Decision issued: Approve

  4. 28 Jul 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

19 documents on file for this application

  • HOUSEHOLDER APPROVAL DECISION NOTICE Decision · 26 May 2026
  • OFFICER REPORT Report · 26 May 2026
  • COMMENT - HERITAGE Consultee Comment · 22 May 2026
  • GLAMORGAN GWENT ARCHAEOLOGY Consultee Comment · 20 May 2026
  • COMMENT - ENVIRONMENTAL HEALTH Consultee Comment · 29 Apr 2026
  • UPDATED SITE PLAN Approved Drawing · 28 Apr 2026
  • COMMENTS - CHEPSTOW TOWN COUNCIL Consultee Comment · 27 Apr 2026
  • VAILLANT AROTHERM BROCHURE Approved Document · 30 Mar 2026
  • LOCATION PLAN Approved Drawing · 30 Mar 2026
  • GI STATEMENT Approved Document · 25 Mar 2026
  • APPLICATION FORM Application Form · 24 Mar 2026
  • GROUND FLOOR - EXISTING Approved Drawing · 24 Mar 2026
  • GROUND FLOOR ASHP LOCATIONS Approved Drawing · 24 Mar 2026
  • 12KW ASHP LOCATION PLAN VIEW Approved Drawing · 24 Mar 2026
  • 7KW ASHP LOCATION PLAN VIEW 1-50 A3 - 25-02-2026 Approved Drawing · 24 Mar 2026
  • 12KW ASHP LOCATION ELEVATION VIEW 1-20 A3 - 25-02-2026 Approved Drawing · 24 Mar 2026
  • 7KW ASHP LOCATION ELEVATION VIEW 1-20 A3 - 25-02-2026 Approved Drawing · 24 Mar 2026
  • MCS020 DREC SOUND CALC - HIGH TREES - 7KW AROTHERM PLUS Approved Document · 24 Mar 2026
  • MCS020 DREC SOUND CALC - HIGH TREES - 12KW AROTHERM PLUS Approved Document · 24 Mar 2026

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What this grant of permission means

Monmouthshire granted permission on 26 May 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.

About householder applications

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.

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