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Planning application

Big Pit (blaenafon) Trust Ltd Gilchrist Thomas Industrial Estate Blaenavon Torfaen NP4 9XP

Granted Torfaen 25/P/0289/FUL Full Application

Works: Extension Demolition Windows or glazing

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

Proposal

Proposed demolition and replacement of fan house extension, new external path and associated works and repairs including vision panels, balustrade and steps, restoration of windows and RWG, new downpipe, replacing slate tiles and repointing

As published by the council, reference 25/P/0289/FUL

Application record

Reference
25/P/0289/FUL
Type
Full Application
Status
Decided
Decision
Granted As published: Approve with Conditions
Received
6 May 2025
Validated
6 May 2025
Decided
13 Feb 2026
Ward
Blaenavon
Parish
Blaenavon Town Council
Decision by
Delegated Decision
Postcode
NP4 9XP

Site history

Applications at this address on the Torfaen register

This site has had 27 applications since 2023: 23 approved, 0 refused.

  • 26/P/0295/CND Granted

    Big Pit (blaenafon) Trust Ltd Gilchrist Thomas Industrial Estate Blaenavon Torfaen NP4 9XP

    Discharge of Condition 2 re: 22/P/0225/FUL - BIG PIT NATIONAL COAL MUSEUM ECOLOGICAL MANAGEMENT AND ENHANCEMENT PLAN

    Decided 10 Aug 2026
  • 26/P/0294/NMA Granted

    Big Pit (blaenafon) Trust Ltd Gilchrist Thomas Industrial Estate Blaenavon Torfaen NP4 9XP

    Amendment of application: 22/P/0225/FUL, to change the position of the container, the colour of the container and the location of the doors on the container.

    Decided 30 Jul 2026 Amendments
  • 26/P/0296/NMA Granted

    Big Pit (blaenafon) Trust Ltd Gilchrist Thomas Industrial Estate Blaenavon Torfaen NP4 9XP

    Non-material amendment to planning permission 25/P/0640/FUL to change the position of the ASHPs on the site and the colour of the enclosing fence

    Decided 14 Jul 2026 Amendments
  • 26/P/0268/CND Granted

    Big Pit (blaenafon) Trust Ltd Gilchrist Thomas Industrial Estate Blaenavon Torfaen NP4 9XP

    Discharge of condition 3 (Big Pit Fixing Detail) relating to planning application 25/P/0652/LBC installation of ASHPs to serve the Pithead Baths. Proposal to include an associated enclosure and a new AHU unit.

    Decided 13 Jul 2026
  • 26/P/0266/VAR Granted

    Big Pit (blaenafon) Trust Ltd Gilchrist Thomas Industrial Estate Blaenavon Torfaen NP4 9XP

    Variation to Listed Building Consent 25/P/0641/LBC for alterations to the internal layout connected with the installation of ASHPs to serve the waiting room and the shop

    Decided 7 Aug 2026 Amendments
  • 26/P/0238/CND Granted

    Big Pit (blaenafon) Trust Ltd Gilchrist Thomas Industrial Estate Blaenavon Torfaen NP4 9XP

    Discharge of condition 3 - (Biodiversity Enhancement Measures) of planning application 25/P/0289/FUL - Proposed demolition and replacement of fan house extension, new external path and associated works and repairs including vision panels, balustrade and steps, restoration of windows and RWG, new downpipe, replacing slate tiles and repointing

    Decided 12 Aug 2026
  • 26/P/0159/CND Granted

    Big Pit (blaenafon) Trust Ltd Gilchrist Thomas Industrial Estate Blaenavon Torfaen NP4 9XP

    Partial discharge of condition 4 (repair/replacement works) of application 25/P/0290/LBC for fan house extension and associated works, relating to evase capping

    Decided 1 May 2026 Conditions
  • 26/P/0158/CND Granted

    Big Pit (blaenafon) Trust Ltd Gilchrist Thomas Industrial Estate Blaenavon Torfaen NP4 9XP

    Discharge condition 3 (level 3 survey) of application 25/P/0290/LBC for demolition and replacement of fan house extension, new external path and associated works and repairs

    Decided 5 May 2026 Conditions
  • 26/P/0138/NMA Granted

    Big Pit (blaenafon) Trust Ltd Gilchrist Thomas Industrial Estate Blaenavon Torfaen NP4 9XP

    Non material amendments to 25/P/0289/FUL (fan house extension and associated works) relating to down pipe location and aluminium grilles changing to doors

    Decided 13 May 2026 Amendments
  • 26/P/0130/LBC Granted

    Big Pit (blaenafon) Trust Ltd Gilchrist Thomas Industrial Estate Blaenavon Torfaen NP4 9XP

    Installation of new overhead crane system to The Winding House of Big Pit National Coal Museum.

    Decided 30 Jun 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 6 May 2025

    Received by Torfaen

  2. 13 Feb 2026

    Decision issued: Approve with Conditions

  3. 3 Sep 2026

    Added to PlanIndex

Cases linked to this one on the register

2 later applications on the register refer to this one:

  • 26/P/0238/CND Granted

    Big Pit (blaenafon) Trust Ltd Gilchrist Thomas Industrial Estate Blaenavon Torfaen NP4 9XP

    Discharge of condition 3 - (Biodiversity Enhancement Measures) of planning application 25/P/0289/FUL - Proposed demolition and replacement of fan house extension, new external path and associated works and repairs including vision panels, balustrade and steps, restoration of windows and RWG, new downpipe, replacing slate tiles and repointing

    Decided 12 Aug 2026
  • 26/P/0138/NMA Granted

    Big Pit (blaenafon) Trust Ltd Gilchrist Thomas Industrial Estate Blaenavon Torfaen NP4 9XP

    Non material amendments to 25/P/0289/FUL (fan house extension and associated works) relating to down pipe location and aluminium grilles changing to doors

    Decided 13 May 2026 Amendments
  • Application: 25/P/0290/LBC (Decided)

Who's behind it

Company information only, from the register and Companies House

DB3 Group Agent

85 applications on PlanIndex · across 29 councils · 97% 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

70 documents on file for this application

  • LIVING DECISION NOTICE VER 2 Decision · 12 Aug 2026
  • DELEGATED REPORT Report · 13 Feb 2026
  • FUL APPROVAL DECISION NOTICE Decision · 13 Feb 2026
  • ENVIRONMENTAL HEALTH COMMENTS Consultee Comment · 12 Feb 2026
  • DRAINAGE COMMENTS Consultee Comment · 02 Feb 2026
  • FLOOD CONSEQUENCE ASSESSMENT Report · 16 Dec 2025
  • FLOOD CONSEQUENCE ASSESSMENT BIG PIT FAN HOUSE Report · 16 Dec 2025
  • WINDOW FRAME 2 Photo · 12 Dec 2025
  • WINDOW FRAME 1 Photo · 12 Dec 2025
  • APPROVED KINGSPAN-QUADCORE-COLDSTORE-PANEL-DATA-SHEET-EN-GB-IE (3) Approved Document · 12 Dec 2025
  • APPROVED 16727-DB3-B01-XX-RP-A-00007-A3-C02 FAN HOUSE HIS ADDENDUM Approved Document · 12 Dec 2025
  • SUPERSEDED AMENDED EXISTING FAN ROOM CEILING REFURBISHMENT DR-A-35001 REV C02 Superseded Drawing · 28 Nov 2025
  • APPROVED AMENDED PROPOSED INTERNAL GLAZING DR-A-32002 REV C05 Approved Drawing · 28 Nov 2025
  • SUPERSEDED AMENDED PROPOSED SECTIONS DR-A-20403 REV C04 Superseded Drawing · 28 Nov 2025
  • FAN HOUSE HIS ADDENDUM - 16727-DB3-B01-XX-RP-A-00007-A3-C01 Report · 24 Nov 2025
  • SUPERSEDED EXISTING FAN ROOM CEILING REFURBISHMENT - 16727-DB3-B01-00-DR-A-35001 Superseded Drawing · 24 Nov 2025
  • APPROVED INTERNAL GLAZING DETAILS - 16727-DB3-B01-00-DR-A-22002-A5-C02 Approved Drawing · 24 Nov 2025
  • APPROVED FLOOD CONSEQUENCES ASSESSEMNT REV P1 Approved Document · 01 Sep 2025
  • APPROVED SAFEDECK 35BP 30X56 Approved Document · 11 Aug 2025
  • APPROVED DRAINAGE DETAILS SHEET 1 A1 - 51074-BUR-XX-XX-D-C-10550 REV P1 Approved Drawing · 11 Aug 2025
  • APPROVED FOUNDATION REINFORCEMENT - 51074-BUR-XX-FN-D-S-29001 A4-P1 Approved Drawing · 11 Aug 2025
  • APPROVED BALUSTRADE AND RAISED FLOOR FIXINGS - - 51074-BUR-XX-FN-D-S-21004 A2-P Approved Drawing · 11 Aug 2025
  • 16727-DB3-ITS-250811-138988 ISSUE SHEET Other · 11 Aug 2025
  • APPROVED FAN HOUSE SPECIFICATION - 16727-DB3-B01-XX-SP-A-00001-A4-C01 Approved Document · 11 Aug 2025
  • APPROVED FAN HOUSE SOW - 16727-DB3-B01-XX-SH-A-00001-A4-C02 Approved Document · 11 Aug 2025
  • APPROVED PROPOSED ELEVATIONS - 16727-DB3-B01-XX-DR-A-20701-A4-C03 Approved Drawing · 11 Aug 2025
  • SUPERSEDED PROPOSED SECTIONS - 16727-DB3-B01-XX-DR-A-20403-A4-C03 Superseded Drawing · 11 Aug 2025
  • APPROVED EXTERNAL GRAVEL PATH EDGE DETAIL - 16727-DB3-B01-00-DR-A-21010-A4-C03 Approved Drawing · 11 Aug 2025
  • APPROVED EXTENSION ROOF VERGE DETAIL - 16727-DB3-B01-00-DR-A-21009-A4-C04 Approved Drawing · 11 Aug 2025
  • APPROVED EXTENSION ROOF RIDGE DETAIL - 16727-DB3-B01-00-DR-A-21008-A4-C03 Approved Drawing · 11 Aug 2025
  • APPROVED EXTENSION FLOOR STARTER DETAIL - 16727-DB3-B01-00-DR-A-21007-A4-C03 Approved Drawing · 11 Aug 2025
  • APPROVED EXTENSION FLOOR EDGE DETAIL - 16727-DB3-B01-00-DR-A-21006-A4-C04 Approved Drawing · 11 Aug 2025
  • APPROVED EXTENSION EAVES AND DOOR HEAD DETAIL - 16727-DB3-B01-00-DR-A-21005-A4-C Approved Drawing · 11 Aug 2025
  • APPROVED EXTENSION DOOR THRESHOLD DETAIL - 16727-DB3-B01-00-DR-A-21004-A4-C03 Approved Drawing · 11 Aug 2025
  • APPROVED EXTENSION WALL TO ALUMINIUM SCREEN PLAN DETAIL - 16727-DB3-B01-00-DR-A- Approved Drawing · 11 Aug 2025
  • APPROVED EXTENSION WALL CORNER PLAN DETAIL - 16727-DB3-B01-00-DR-A-21001-A4-C04 Approved Drawing · 11 Aug 2025
  • APPROVED AMENDED PROPOSED FLOOR PLANS - 16727-DB3-B01-00-DR-A-20101-A4-C03 Approved Drawing · 11 Aug 2025
  • APPROVED EXTENSION WALL STARTER PLAN DETAIL - 16727-DB3-B01-00-DR-A-20002-A4-C04 Approved Drawing · 11 Aug 2025
  • APPROVED GROUND INVESTIGATION REPORT Approved Document · 30 Jun 2025
  • ECOLOGIST ENVIRONMENT TEAM Consultee Comment · 06 Jun 2025
  • DRAINAGE COMMENTS Consultee Comment · 06 Jun 2025
  • CADW COMMENTS Consultee Comment · 28 May 2025
  • . PUBLIC HEALTH Consultee Comment · 22 May 2025
  • THE COAL AUTHORITY COMMENTS Consultee Comment · 21 May 2025
  • WELSH WATER COMMENTS Consultee Comment · 15 May 2025
  • MR ROSS CANNON Consultee Comment · 14 May 2025
  • APPLICATION FORM - WITHOUT PERSONAL DATA Forms · 06 May 2025
  • HOW THE FEE WAS CALCULATED Other · 06 May 2025
  • A SUMMARY OF THE ATTACHMENTS IN THE PROPOSAL Other · 06 May 2025
  • APPROVED DESIGN AND ACCESS STATEMENT Approved Document · 06 May 2025
  • SUPERSEDED PROPOSED FLOOR PLAN 20101 REV C01 Superseded Drawing · 06 May 2025
  • EXISTING FLOOR PLANS 20301 REV C01 Drawing · 06 May 2025
  • THE LOCATION PLAN Drawing · 06 May 2025
  • EXISTING SITE PLAN 90002 REV C01 Drawing · 06 May 2025
  • APPROVED PROPOSED SITE PLAN Approved Drawing · 06 May 2025
  • SUPERSEDED PROPOSED SECTIONS 20403 REV C01 Superseded Drawing · 06 May 2025
  • PROPOSED ELEVATIONS 20701 REV C01 Drawing · 06 May 2025
  • EXISTING SECTIONS 20702 REV C01 Drawing · 06 May 2025
  • EXISTING ELEVATIONS 20901 REV C01 Drawing · 06 May 2025
  • SUPERSEDED INTERNAL GLAZING 32002 REV C01 Superseded Drawing · 06 May 2025
  • APPROVED GREEN INFRASTRUCTURE STATEMENT VERSION C01 APRIL 2025 Approved Document · 06 May 2025
  • APPROVED PROPOSED FANHOUSE EXTENSION PLANS 20102 REV C01 Approved Drawing · 06 May 2025
  • APPROVED TEMPORARY WORKS 20103 REV C01 Approved Drawing · 06 May 2025
  • APPROVED PROPOSED FANHOUSE EXTENSION SECTIONS 20402 REV C01 Approved Drawing · 06 May 2025
  • APPROVED PROPOSED FANHOUSE EXTENSION ELEVATIONS 20703 REV C01 Approved Drawing · 06 May 2025
  • APPROVED PROPOSED 3D SECTION SK001 REV C01 Approved Drawing · 06 May 2025
  • APPROVED HERITAGE STATEMENT REV P01 APRIL 2025 Approved Document · 06 May 2025
  • APPROVED AMENDED PROPOSED SECTIONS DR-A-20403 REV C05 Approved Drawing · 19 Dec 2015
  • APPROVED AMENDED EXISTING FAN ROOM CEILING REFURBISHMENT DR-A-35001 REV C03 Approved Drawing · 19 Dec 2015
  • ISSUE SHEET Drawing · 19 Dec 2015

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What this grant of permission means

Torfaen granted permission on 13 February 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 full applications

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.

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