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Collingham House Hammers Lane London NW7 4AQ

TPP/0212/25Works to TPO treesApproved

Approved on 12 June 2025

Proposal

1 x London Plane (applicants ref. T1) - Reduce 3 lateral branches by 2m into budding off shoots, as annotated on photo, crown thin density by 25% and remove deadwood. Standing in Area A1 of Tree Preservion Order. 1 x London Plane (applicants ref. T2) - Crown thin density by 25% to allow more light penetration. Remove deadwood. Standing in Area A1 of Tree Preservion Order. 1 x Ash (applicants ref. T3) - Lift 4.5m, crown thin density by 25% to create more light penetration. Remove deadwood. Standing in Area A1 of Tree Preservion Order.

Received
17 April 2025
Ward
Mill Hill
  1. Received17 Apr
  2. Validated17 Apr
  3. Consult.
  4. Target12 Jun
  5. Decided12 Jun

Decided in 56 days (council typically 56)

About this application

This is a tree application at Collingham House Hammers Lane London NW7 4AQ. Barnet has handled 1,310 applications of this type. This one was decided in 56 days. The site is in the Mill Hill conservation area, with 4 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 132 applications across Mill Hill. We hold 1,046 applications in total for the NW7 postcode area.

90% of trees applications at London Borough of Barnet were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
NW7 4AQ
Application type
Works to TPO trees
Scale / size
Small

Planning application dates

Date validated
17 April 2025
Consultation expiry
29 May 2025
Target decision date
12 June 2025

Applicant and agent

Agent
G & R Tree Surgeons
Agent address
Studio House Delamare Road Cheshunt EN8 9SH

Planning decision

Statutory period
56 days

Publicity

Site notice start
8 May 2025
Site notice end
29 May 2025

Additional information

Planning Portal ID
PP-13955846
Comments
0
Documents
3

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • Conservation area: Mill Hill
  • Listed building: Grade II: Mill Hill SchoolOn or next to this site
  • Article 4 direction: Article 4 for Mill Hill CA Area 3+1 more
  • Green belt: Barnet
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (20)

flood storage areas, tree preservation orders, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Planning history at this site

7 other applications at this property, newest first.

  1. 2026
    24 Jul

    Demolition of existing theatre and library. Construction of new part single, part two storey building to…

    PendingApplication26/2753/FUL
  2. 2026
    19 Jun

    Submission of details of conditions 7 (Low Level Lighting) and 11 (Landscaping) pursuant to 25/3456/FUL

    ApprovedDischarge of conditions26/2329/CON
  3. 2026
    5 Feb

    Submission of details of conditions 3 (Materials), 4 (Biodiversity Net Gain Plan), 5 (Precautionary Working…

    ApprovedDischarge of conditions26/0439/CON
  4. 2025
    28 Aug

    1 x Sycamore (applicants ref. T005) - Fell. Standing in Group G7 of Tree Preservation Order. 1 x Sycamore…

    ApprovedAll OtherTPP/0530/25
  5. 2025
    4 Jul

    1 x Lebanon Cedar (applicants ref. T044) - Height 13m, DBH 100cm. Crown lift to 5.4m over road and drop…

    Split DecisionAll OtherTPP/0407/25
  6. 2025
    4 Jul

    1 x Sycamore (ref. T3) -Fell. Standing in A1 of Order. (Amended description) 1 x Lime (ref. T8) - Reduce by…

    Split DecisionAll OtherTPP/0397/25

Source: Barnet

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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