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Planning application

Tillmouth House Tillmouth Park Cornhill-On-Tweed Northumberland TD12 4UT

Awaiting decision Northumberland 26/02721/LBC Heritage and listed buildings

Works: Extension Demolition Small domestic

Read from the description, not a valuation. How we read the register

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Listed Building Consent - Proposed Internal alterations, along with demolition of existing single storey utility, and construction of new entrance and utility extension

As published by the council, reference 26/02721/LBC

Application record

Reference
26/02721/LBC
Category
Heritage and listed buildings
Status
Registered
Received
31 Jul 2026
Validated
3 Aug 2026
Ward
Norham & Islandshires
Parish
Cornhill-on-Tweed
Decision by
Delegated Decision
Postcode
TD12 4UT

Site history

Applications at this address on the Northumberland register

This site has had 2 applications since 2026.

  • 26/02720/FUL Awaiting decision

    Tillmouth House Tillmouth Park Cornhill-On-Tweed Northumberland TD12 4UT

    Proposed Internal alterations, along with demolition of existing single storey utility, and construction of new entrance and utility extension

    Submitted 31 Jul 2026 Full applications

Timeline

Dates from the published record

  1. 31 Jul 2026

    Received by Northumberland

  2. 3 Aug 2026

    Validated

    Checked as complete and ready for consideration.

  3. 7 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 28 September 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Northumberland took a median of 50 days over the applications it decided in the last year.

Cases linked to this one on the register

  • Application: 26/02720/FUL (Registered)

Who's behind it

Company information only, from the register and Companies House

Insight Architectural Design Ltd Agent, an architecture practice registered in Morpeth

Active · incorporated 2018 · Morpeth

38 applications on PlanIndex · across 3 councils · 82% 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

25 documents on file for this application

  • CONSULTEE COMMENT SUBMITTED ONLINE Consultee Comment · 26 Aug 2026
  • CONSULTEE COMMENT SUBMITTED ONLINE Consultee Comment · 26 Aug 2026
  • CONSULTEE COMMENT SUBMITTED ONLINE Consultee Comment · 20 Aug 2026
  • DESIGN ACCESS AND HERITAGE STATEMENT Report/ Statement · 03 Aug 2026
  • APPLICATIONFORMREDACTED Application Form · 31 Jul 2026
  • ROOF STEICO Report/ Statement · 31 Jul 2026
  • DEMOLITION PLAN Plan · 31 Jul 2026
  • EXISTING SITE AND ROOF PLAN Plan · 31 Jul 2026
  • PROPOSED SITE AND ROOF PLAN Plan · 31 Jul 2026
  • EXISTING GROUND FLOOR PLAN Plan · 31 Jul 2026
  • EXISTING FIRST FLOOR PLAN Plan · 31 Jul 2026
  • EXISTING ELEVATIONS Plan · 31 Jul 2026
  • PROPOSED GROUND FLOOR Plan · 31 Jul 2026
  • PROPOSED FIRST FLOOR PLAN Plan · 31 Jul 2026
  • PROPOSED ELEVATIONS Plan · 31 Jul 2026
  • PROPOSED TYPICAL SECTIONS Plan · 31 Jul 2026
  • A-A EXISTING TYPICAL SECTION Plan · 31 Jul 2026
  • C-C D-D EXISTING TYPICAL SECTION Plan · 31 Jul 2026
  • C-C PROPOSED SECTION Plan · 31 Jul 2026
  • HERITAGE STATEMENT Report/ Statement · 31 Jul 2026
  • 2005 BUILDING REGULATIONS DRAWINGS PACK RFS Plan · 31 Jul 2026
  • ECOLOGICAL IMPACT ASSESSMENT Report/ Statement · 31 Jul 2026
  • PATENT GLAZING SYSTEM QUOTATION NO. E260656 (INSIGHT ARCHITECTURAL DESIGN) Report/ Statement · 31 Jul 2026
  • RIBA 3 STRUCTURE (A) Plan · 31 Jul 2026
  • TILLMOUTH HOUSE HISTORIC PLAN Plan · 31 Jul 2026

Watch members (£5 a month) open the document list from here.

Open the documents

What happens while it is decided

This application is with Northumberland for determination, against a statutory target of eight weeks. Over the last year Northumberland decided heritage and listed building applications in a median of 59 days. More in our guide to how long planning decisions take.

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.

Nearby applications

Within 0.3 miles

  • Tillmouth House Tillmouth Park Cornhill-On-Tweed Northumberland TD12 4UT

    26/02720/FUL Submitted 31 Jul 2026 50 yards away

    87% historically approved · decision due ~25 Sep

    Proposed Internal alterations, along with demolition of existing single storey utility, and construction of new entrance and utility extension

    Awaiting decision Full applications Extension Demolition 26 docs
    Small domestic
  • Tillmouth House Tillmouth Park Cornhill-On-Tweed Northumberland TD12 4UT

    26/02720/FUL Submitted 31 Jul 2026 350 yards away

    90% historically approved · decision due ~25 Sep

    Proposed Internal alterations, along with demolition of existing single storey utility, and construction of new entrance and utility extension

    Awaiting decision Full applications Extension Demolition 29 docs
    Small domestic
  • Tillmouth House Tillmouth Park Cornhill-On-Tweed Northumberland TD12 4UT

    26/02721/LBC Submitted 31 Jul 2026 350 yards away

    89% historically approved · decision due ~28 Sep

    Listed Building Consent - Proposed Internal alterations, along with demolition of existing single storey utility, and construction of new entrance and utility extension

    Awaiting decision Heritage and listed buildings Extension Demolition 28 docs
    Small domestic
  • Twizell Mill Cornhill-On-Tweed Northumberland TD12 4UX

    26/01030/FUL Submitted 20 Mar 2026 0.3 miles away

    90% historically approved · decision due ~20 May

    Removal of existing redundant cauld spanning the River Till, infill of lade entrance and regrading of channel bed to redistribute sediment to create a smooth grade transition.

    Awaiting decision Full applications Extension 14 docs

In Northumberland

  • 26/03041/LBC Granted

    4 Callaly High Houses Whittingham Alnwick Northumberland NE66 4TE

    Listed Building Consent for the installation of an oil fired heating system, replacement front and rear doors, installation of an electric vehicle charging point, internal damp remedial works, internal alterations for first floor stud partition walls, and re-roofing works (including replacement of existing roof windows)

    1 Sep 2026 Heritage and listed buildings
  • 26/02634/LBC Granted

    3, 5, 7, 9, 11, 17, 19, 21, 23 And Communal Room Shaftoe Terrace Haydon Bridge Hexham Northumberland NE47 6BW

    Listed Building Consent for replacement of existing concrete roof tiles with natural slate and associated repair works

    Received 27 Jul, published by the council 6 Aug 2026 Heritage and listed buildings
  • 26/03012/LBC Granted

    Village House 11 Front Street Bamburgh Northumberland NE69 7BW

    Listed Building Consent for proposed rear sun room extension

    Received 26 Aug, published by the council 27 Aug 2026 Heritage and listed buildings
  • 26/03033/LBC Granted

    Wallington Hall Wallington Morpeth Northumberland NE61 4AR

    Listed Building Consent for installation of lightning protection measures to Wallington Hall.

    28 Aug 2026 Heritage and listed buildings
  • 26/03684/LBC Awaiting decision

    The Old Manse Front Street Embleton Northumberland NE66 3UL

    Listed Building Consent for the proposed installation of an air source heat pump, external wall hung battery stack, solar PV panels to the roof, new timber garden shed and replacement of the existing roof covering

    20 Oct 2026 Heritage and listed buildings