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Planning application

Northumberland House, Lower Square,Isleworth,TW7 6RL

Granted Hounslow P/2025/2757 Works to Trees in Conservation Area

Works: Trees

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

Proposal

Works to tree in a Conservation Area: T1 - Purple Maple Tree, rear car park, fell to ground level

As published by the council, reference P/2025/2757

Application record

Reference
P/2025/2757
Type
Works to Trees in Conservation Area
Status
Decided: NO OBJECTION
Decision
NO OBJECTION
Received
12 Sep 2025
Validated
12 Sep 2025
Decided
23 Oct 2025
Ward
Isleworth
Postcode
TW7 6RL

Site history

Applications at this address on the Hounslow register

This site has had 2 applications since 2025: 2 approved, 0 refused.

  • P/2026/1642 Granted

    Northumberland House, Lower Square, Isleworth, TW7 6RL

    Listed building consent for the installation of a wireless fire alarm system to both buildings on the site

    Decided 3 Aug 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 12 Sep 2025

    Received by Hounslow

  2. 23 Oct 2025

    Decision issued: NO OBJECTION

  3. 12 Aug 2026

    Added to PlanIndex

Documents

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

4 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

Open the documents

What this grant of permission means

Hounslow granted permission on 23 October 2025, 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 tree works applications

Applications for works to trees cover protected trees: consent under a tree preservation order, or six weeks notice for trees in a conservation area. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 6 NORTHUMBERLAND HOUSE LOWER SQUARE, ISLEWORTH, TW7 6RL

    P/2023/0172 Submitted 18 Jan 2023 0m away

    Installation of two modern passive vapour vents

    Withdrawn Heritage and listed buildings 11 docs

  • Northumberland House, Lower Square, Isleworth, TW7 6RL

    P/2026/1642 Submitted 2 Jun 2026 0m away

    Listed building consent for the installation of a wireless fire alarm system to both buildings on the site

    Granted Heritage and listed buildings 8 docs

  • UNIT 1-6 LAWRENCE PARADE LOWER SQUARE, ISLEWORTH, TW7 6RG

    P/2021/1701 Submitted 30 Apr 2021 22m away

    Details of condition 2 (cycle parking) and condition 3 (naming and numbering) submitted pursuant of planning permission 01101/D1-6/PA1 dated 23/01/2020 for Prior Approval for the change of use of ground, first and second floor (Units 1 & 6) from offices (Class B1 (a)) to provide five self-contained flats (Class C3).

    Granted Conditions New dwelling 6 docs

  • Saracen House, Swan Street, Isleworth, TW7 6RJ

    PAC/2026/1120 Submitted 2 Apr 2026 54m away

    Prior approval for the change of use of the first and second floors only of Saracen House from office use (Use Class E) to nine self contained flats (Use Class C3)

    Granted Outline New dwelling 19 docs

  • THAMES HOUSE SWAN STREET, ISLEWORTH, TW7 6RS

    PAC/2023/0612 Submitted 23 Feb 2023 77m away

    Prior approval for the change of use from an office to provide one residential unit

    Granted Prior approval 7 docs

  • Home House, 10 Church Street, Isleworth, TW7 6DA

    PAC/2026/0251 Submitted 26 Jan 2026 80m away

    78% historically approved · decision due ~23 Mar

    Prior Approval for the change of use from office use (Class E) to residential use (Class C3), to create 25 self-contained residential units, with associated car parking, cycle storage and waste / recycling storage.

    Awaiting decision Outline 24 docs

In Hounslow

  • P/2026/2295 Granted

    9 Grove Park Terrace, Chiswick, London, W4 3QG

    Works to trees in a Conservation Area. Purple Plum (T1). Fell to ground level. Bay Laurel (T2). Fell to ground level.

    6 Aug 2026 Trees
  • P/2026/2511 Awaiting decision

    12 Chatsworth Road, Chiswick, London, W4 3HY

    Works to trees within a conservation area. T1 Sycamore - Reduce all aspects of the crown by approx. 3-4m back to previous points of reduction. T2 Lawson Cypress - Reduce in height by approx. 2m and trim back all other aspects to create a tight and tidy shape. Cut back overhanging branches on the right-hand neighbours side. T3 Bay - Reduce all aspects by approx. 2m, cutting away from the shed roof and away from the rear neighbour.

    3 Sep 2026 Trees
  • P/2026/2509 Awaiting decision

    51 Grove Park Road, Chiswick, London, W4 3RU

    Work to trees within a conservation area. T1 Lime - Reduce all aspects of the crown by approx. 3-4m back to previous points of reduction. T2 Box Elder - Reduce all aspects of the crown by approx. 3-4m. Remove deadwood. T3 Pear - Reduce height to 3m from ground level. Remove any dead / dangerous branches.

    3 Sep 2026 Trees
  • P/2026/2225 Granted

    125A Ridgeway Road North, Isleworth, TW7 5LX

    Works to trees in a conservation area. T1. Walnut. Fell to ground level and grind stump. T2. Leyland Cypress. Fell to ground level and grind stump.

    30 Jul 2026 Trees
  • P/2026/2491 Awaiting decision

    2, Cope Studios Brooks Road, Chiswick, London, W4 3BJ

    Works to tree in a Conservation Area 1 X T1 Gleditsia reduce crown height by 4m, tie in sides by 3m and crown lift 3m in front garden

    2 Sep 2026 Trees