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Planning application

Hagg House Cotherstone Barnard Castle DL12 9QJ

Granted County Durham DM/26/00601/LB Listed Building Consent

Works: Extension

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

Proposal

Extension to Detached Summerhouse including Decking, Ramp and Associated Alterations to form Artist's Studio, Workshop and Private Use Gallery Space

As published by the council, reference DM/26/00601/LB

Application record

Reference
DM/26/00601/LB
Type
Listed Building Consent
Status
Decided
Decision
Granted As published: Approved
Received
10 Mar 2026
Validated
10 Mar 2026
Decided
7 May 2026
Ward
Upper Teesdale
Parish
Cotherstone
Decision by
Delegated
Postcode
DL12 9QJ

Site history

Applications at this address on the County Durham register

This site has had 6 applications since 2021: 5 approved, 0 refused.

  • DM/26/02379/FPA Awaiting decision

    Hagg House Cotherstone Barnard Castle DL12 9QJ

    Installation of new Victorian-syle "heritage" greenhouse in the grounds of Hagg House.

    Submitted 8 Sep 2026
  • DM/26/00600/FPA Granted

    Hagg House Cotherstone Barnard Castle DL12 9QJ

    Extension to Detached Summerhouse including Decking, Ramp and Associated Alterations to form Artist's Studio, Workshop and Private Use Gallery Space

    Decided 7 May 2026 Full applications
  • DM/26/00609/TCA Granted

    Hagg House Cotherstone Barnard Castle DL12 9QJ

    Fell T1. Ash, Fell T2. Wild Cherry, Fell T3. Ash and Fell T4. Sycamore

    Decided 9 Apr 2026 Trees
  • DM/25/02724/TCA Granted

    Hagg House Cotherstone Barnard Castle DL12 9QJ

    T1 Ash - Fell

    Decided 8 Oct 2025 Trees
  • DM/21/02348/TCA Granted

    Hagg House Cotherstone Barnard Castle DL12 9QJ

    Fell T1. Sycamore and Fell T2. Ash

    Decided 20 Aug 2021 Trees

Timeline

Dates from the published record

  1. 10 Mar 2026

    Received by County Durham

  2. 7 May 2026

    Decision issued: Approved

  3. 20 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • Application: 6/1984/0192/DM (Decided)
  • Application: 6/1986/0340/DM (Decided)
  • Application: 6/2003/0461/DM (Decided)
  • Application: 6/2003/0462/DM/LB (Decided)
  • Application: 6/2006/0254/DM (Decided)
  • Application: 6/2008/0424/DM (Decided)
  • Application: DM/21/02200/FPA (Decided)
  • Application: DM/23/02733/FPA (Decided)
  • Application: DM/23/02734/LB (Decided)
  • Application: DM/26/00600/FPA (Decided)

Who's behind it

Company information only, from the register and Companies House

Far North Studio Ltd Agent, registered in Skipton

Active · incorporated 2010 · Skipton

16 applications on PlanIndex · across 2 councils · 100% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

41 documents on file for this application

  • APPROVAL LB Decision · 07 May 2026
  • FAST TRACK Delegated Report · 07 May 2026
  • AIA &TPP RETAINED TREES Drawing · 23 Apr 2026
  • ALUMINIUM ROOF LANTERN BROCHURE Supporting Information · 21 Apr 2026
  • DESIGN, PLANNING & HERITAGE STATEMENT Supporting Information · 17 Apr 2026
  • SPECIFICATION OF PROPOSED MATERIALS & SPECIFICATION Supporting Information · 17 Apr 2026
  • BI-FOLD DOOR DATA SHEET VISOFOLD1000 SLIM Supporting Information · 17 Apr 2026
  • WINDOWS DATA SHEET ALITHERM 400 DATA SHEET Supporting Information · 17 Apr 2026
  • WINDOW AND DOOR FRAME SPECIFICATION AND DETAILS Supporting Information · 17 Apr 2026
  • PROPOSED ELEVATIONS Amended Drawing · 11 Apr 2026
  • MOOR EDGE, SNAISGILL ROAD, MIDDLETON-IN-TEESDALE, BARNARD CASTLE DL12 0RP-NEUTRA Public Comment · 09 Apr 2026
  • PRESS NOTICE Press Notice · 27 Mar 2026
  • SITE NOTICE Site Notice · 26 Mar 2026
  • EXTERIOR PERSPECTIVE - VIEW 1 Drawing · 10 Mar 2026
  • EXTERIOR PERSPECTIVE - VIEW 2 Drawing · 10 Mar 2026
  • EXTERIOR PERSPECTIVE - VIEW 3 Drawing · 10 Mar 2026
  • EXTERIOR PERSPECTIVE - VIEW 4 Drawing · 10 Mar 2026
  • EXTERIOR PERSPECTIVE - VIEW 5 Drawing · 10 Mar 2026
  • EXTERIOR PERSPECTIVE - VIEW 6 Drawing · 10 Mar 2026
  • EXTERIOR PERSPECTIVE - VIEW 7 Drawing · 10 Mar 2026
  • PROPOSED SECTION Drawing · 10 Mar 2026
  • ROOF AND FLOOR CONNECTION DETAILS Drawing · 10 Mar 2026
  • ROOF AND WALL CONNECTION DETAILS Drawing · 10 Mar 2026
  • PROPOSED FRONT & LEFT-SIDE ELEVATION Drawing · 10 Mar 2026
  • PROPOSED REAR & RIGHT-SIDE ELEVATION Drawing · 10 Mar 2026
  • PROPOSED FLOOR PLAN & ROOF PLAN Drawing · 10 Mar 2026
  • PROPOSED ROOF PLAN Drawing · 10 Mar 2026
  • PROPOSED LAYOUT PLAN Drawing · 10 Mar 2026
  • PROPOSED ROOF PLAN & SITE PLAN Drawing · 10 Mar 2026
  • PROPOSED ELEVATIONS Drawing · 10 Mar 2026
  • PHOTOGRAPHIC CONTEXT & SUMMARY OF EXISTING Photo · 10 Mar 2026
  • PROPOSED ARTIST'S STUDIO & EXHIBITION SPACE Drawing · 10 Mar 2026
  • DESIGN, PLANNING AND HERITAGE STATEMENT Supporting Information · 10 Mar 2026
  • ARBORICULTURAL IMPACT ASSESSMENT & METHOD STATEMENT Drawing · 10 Mar 2026
  • ARBORICULTURAL IMPACT ASSESSMENT & METHOD STATEMENT Supporting Information · 10 Mar 2026
  • BAT SURVEY Supporting Information · 10 Mar 2026
  • VIDEO 3D FLY-THROUGH Supporting Information · 10 Mar 2026
  • APPLICATION FORM REDACTED Application Form · 10 Mar 2026
  • SITE LOCATION PLAN OS Extract · 10 Mar 2026
  • EXISTING PLANS & SITE PLAN Drawing · 10 Mar 2026
  • EXISTING ELEVATIONS Drawing · 10 Mar 2026

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What this grant of permission means

County Durham granted permission on 7 May 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

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