Brockley Grange Farm Brockley Hill Stanmore HA7 4LW

1. 3 Sep 2025

   Received by Barnet

2. 4 Sep 2025

   Validated

   Checked as complete and ready for consideration.

3. 10 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 30 October 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Barnet took a median of 43 days over the applications it decided in the last year.

This application is with Barnet for determination, against a statutory target of eight weeks. Over the last year Barnet decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• Brockley Grange Farm, Stanmore, HA7 4LW

  PL/2360/25 Submitted 9 Sep 2025 22m away

  Consultation from neighbouring authority London Borough of Barnet; reference: 25/3636/HSE; Erection of a single storey detached garage with flat green roof to provide 2no. car parking spaces

  Granted Outline
  Small domestic

• 4, BROCKLEY HILL HOUSE Brockley Hill, Stanmore, Harrow, HA7 4LN

  PL/0154/26 Submitted 20 Jan 2026 144m away

  Decision due ~17 Mar

  Tree Number - G1 Tree Type - Himalayan birch Approx. Diameter at 1.5m - 0.2m Approx. Height - 7m Approx. Crown Spread Diameter - 4m Location - See map Service - Crown Reduction Work Required - Reduce height by up to 1.5m and lateral spread on all sides by up to 1m Reason - As per clients specification Priority Code - On Tree Type - Cherry (Prunus avium) Approx. Diameter at 1.5m - 0.2m Approx. Height - 7m Approx. Crown Spread Diameter - 4m Location - See map Service - Crown Reduction Work Required - Reduce height by up to 1m and lateral spread on all sides by up to 1m Reason - As per clients specification Priority Code - On Tree Number - T1 Tree Type - Oak Approx. Height - 14m Approx. Crown Spread Diameter - 14m Location - See map Service - Crown Reduction Work Required - Reduce height by up to 2m and lateral spread on all sides by up to 2m Reason - As per clients specification Priority Code - On Tree Number - T2 Tree Type - Oak Approx. Height - 10m Approx. Crown Spread Diameter - 6m Location - See map Service - Crown lift Work Required - Crown lift by up to 3m Reason - As per clients specification Priority Code - On Tree Number - T3 Tree Type - Hazel Approx. Height - 5m Location - See map Service - Cut back Work Required - Cut back lateral growth over clients side by 2-3m Reason - As per clients specification Priority Code - On Tree Number - T4 Tree Type - Cherry Approx. Height - 8m Approx. Crown Spread Diameter - 8m Location - See map Service - Crown Reduction Work Required - Reduce height by up to 5m and lateral spread on all sides by up to 5m Reason - Tree is now dead, client would like to stabilise the tree and retain the tree for habitat Priority Code - On Planning Portal Reference: PP-14637341 You might find it useful to contact an arborist (tree surgeon) for help with defining appropriate work. Where trees are protected by a Tree Preservation Order, please number them as shown in the First Schedule to the Tree Preservation Order where this is available. You should use the same numbering on your sketch plan (see below for sketch plan requirements). Please provide the following information: Tree species The number used on the sketch plan; and A description of the proposed works. Where trees are protected by a Tree Preservation Order you must also provide: Tree Number - T5 Tree Type - Cherry Approx. Height - 8m Approx. Crown Spread Diameter - 2m Location - See map Service - Section dismantle Work Required - Section dismantle tree to near ground level Reason - Tree is now dead Priority Code - On Tree Number - T6 Tree Type - Oak Approx. Height - 10m Approx. Crown Spread Diameter - 8m Location - See map Service - Crown lift Work Required - Crown lift by up to 3m Reason - As per clients specification Priority Code - On Tree Number - T7 Tree Type - Oak Approx. Height - 12m Approx. Crown Spread Diameter - 6m Location - See map Service - Crown lift Work Required - Crown lift by up to 3m Reason - As per clients specification Priority Code - On Tree Number - T8 Tree Type - Oak Approx. Height - 12m Approx. Crown Spread Diameter - 10m Location - See map Service - Crown lift Work Required - Crown lift by up to 3m (avoid removing larger limbs) Reason - As per clients specification Priority Code - On Tree number - T9 Tree Type - Ash Approx. Diameter at 1.5m - 0.4m Approx. Height - 12m Location - See map Service - Crown Reduction Work Required - Reduce height by up to 2m and lateral spread on all sides by up to 2m Reason - As per clients specification Priority Code - On

  Status unknown Trees

• Land Adjacent To Reviva Waste Site Elstree Hill South Elstree Hertfordshire

  25/0968/FUL Submitted 1 Jul 2025 367m away

  Regularisation application for the retrospective use of site for open storage together with proposed works to include hard and soft landscaping and alterations to internal layout.

  Granted Full applications 21 docs

• Not In Hertsmere Royal National Orthopaedic Hospital Brockley Hill Stanmore. HA7 4LP

  TP/12/2655 Submitted 20 Dec 2012 432m away

  Hybrid planning application for the comprehensive, phased, redevelopment of the site, comprising two elements:_Outline Element:_To include up to 56,871sqm (Gross Internal Floor Area) of New Hospital (Use Class C2), Rehabilitation Unit (Use Class C2) and Parent Accommodation (Sui Generis); Up to 40,260sqm (Gross Internal Floor Area) of residential development (Use Class C3) providing up to 347 residential units of which 36 units will be for staff accommodation (including ancillary floorspace i.e garages and undercroft parking); A multi storey car park to provide up to 805 car parking spaces; An additional 138 surface car parking spaces; Up to 455 residential car parking spaces; Up to approximately 19.2 hectares of public and private open space; Partial change of use of Eastgate House from office (Use Class B1) to private residential (Use Class C3) and associated landscaping and ancillary works._Detailed Element (Full):_Permanent realignment of the existing service road; Provision of new access point to the Aspire National Training Centre and provision of 75 car parking spaces for the Aspire National Training Centre; Demolition of four structures._Temporary permission (5 years) for the construction of an area of hard standing to accommodate 121 car parking spaces; Erection of a 3m high fence to enclose the existing boiler house; Works to the existing estates compound (Adjacent Borough Consultation).

  Granted Outline New dwelling Demolition 1 doc
  Major scheme

• Eastgate House, ROYAL NATIONAL ORTHOPAEDIC HOSPITAL Brockley Hill, Stanmore, Harrow, HA7 4LP

  PL/0740/26 Submitted 17 Mar 2026 432m away

  Decision due ~12 May

  Alteration, conversion and part demolition of existing buildings and the erection of a part single, part two, part three and part four storey building comprising a 70 bed care home (Class C2) with key worker accommodation and parking provisions

  Status unknown Full applications Demolition

• ROYAL NATIONAL ORTHOPAEDIC HOSPITAL Brockley Hill, Stanmore, Harrow, HA7 4LP

  P/3349/18 Submitted 23 Jul 2018 432m away

  Details pursuant to Condition 13 (Cycle parking) attached to planning permission P/2152/16 dated 26/7/16 for reserved matters application (condition 4) for all matters (scale appearance layout access landscaping) pursuant to hybrid planning permission reference P/3191/12 (for the phased comprehensive, redevelopment of the Royal National Orthopaedic Hospital) for the development of phase 2a. Construction of a 5 storey building of 8,480 sq (gifa) of hospital floorspace (C2 use class), including inpatients accommodation, rehabilitation space, consultancy space, patient care facilities and other ancillary clinical and service related development. Development to also include associated landscaping and fences, access, bin stores, facilities management yard, pedestrian links and ancillary works.

  Granted Prior approval 10 docs

• 26/3249/HSE Awaiting decision

  19 Rushdene Avenue Barnet EN4 8EN

  New front vehicular access and hardstanding to provide off-street parking space. New retaining wall following demolition of the existing wall and raised planted beds

  7 Sep 2026 Householder
• 26/3235/HSE Awaiting decision

  26 Mount Pleasant Barnet EN4 9HH

  Replace existing flat roof at ground floor rear elevation with pitched roof and 2no. rooflights

  4 Sep 2026 Householder
• 26/3222/HSE Awaiting decision

  46 Michleham Down London N12 7JN

  Single storey side/rear extension with 3no. rooflights following demolition of the existing storage/utility structure. Changes to fenestration

  3 Sep 2026 Householder
• 26/3219/HSE Awaiting decision

  53 Tudor Road Barnet EN5 5NW

  First floor rear extension with front and rear rooflights. Roof extension over existing garage

  2 Sep 2026 Householder
• 26/3210/HSE Awaiting decision

  47 Pattison Road London NW2 2HL

  New front vehicular access to provide off-street parking. Removal of existing gate and shed, alterations to the existing front boundary wall and installation of close board fencing panels.

  2 Sep 2026 Householder