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Planning application

66 Hadley Highstone Barnet EN5 4PY

Awaiting decision Barnet 25/3738/HSE Householder Application

Works: Extension Loft or dormer 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

Repositioning of the conservation rooflights in the ground floor extension; Repositioning of the rooflights to the basement including reduction in number of rooflights from five to four; Alterations to the stairs to the basement to tie into the landscaping strategy

As published by the council, reference 25/3738/HSE

Application record

Reference
25/3738/HSE
Type
Householder Application
Status
Pending Consideration
Received
10 Sep 2025
Validated
30 Sep 2025
Ward
High Barnet
Postcode
EN5 4PY

Site history

Applications at this address on the Barnet register

This site has had 3 applications since 2025.

  • TCP/0594/25 Awaiting decision

    66 Hadley Highstone Barnet EN5 4PY

    1 x Oak (applicants ref. T1) - Crown reduction of up to 2m throughout the canopy to reduce end-weight on lateral branches and bring the tree back into proportion. 1 x Laurel hedge (applicants ref. T2) Height 1m, length 88m. Remove and replace with traditional estate-style railings along the same boundary line.

    Submitted 17 Sep 2025 Trees
  • 25/3739/HSE Awaiting decision

    66 Hadley Highstone Barnet EN5 4PY

    Repositioning of the conservation rooflights in the ground floor extension; Repositioning of the rooflights to the basement including reduction in number of rooflights from five to four; Removal of the stairs to the basement and creation of a grassed slope to the garden

    Submitted 10 Sep 2025 Householder

Timeline

Dates from the published record

  1. 10 Sep 2025

    Received by Barnet

  2. 30 Sep 2025

    Validated

    Checked as complete and ready for consideration.

  3. 10 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 25 November 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 46 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

hgh Consulting Ltd Agent

408 applications on PlanIndex · across 41 councils · 90% 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

17 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.

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

Open the documents

What happens while it is decided

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.

About householder applications

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.

Nearby applications

Within 0.3 miles

  • 66 Hadley Highstone Barnet EN5 4PY

    25/3739/HSE Submitted 10 Sep 2025 50 yards away

    77% historically approved · decision due ~25 Nov

    Repositioning of the conservation rooflights in the ground floor extension; Repositioning of the rooflights to the basement including reduction in number of rooflights from five to four; Removal of the stairs to the basement and creation of a grassed slope to the garden

    Awaiting decision Householder Extension Loft or dormer 17 docs
    Domestic

  • 66 Hadley Highstone Barnet EN5 4PY

    TCP/0594/25 Submitted 17 Sep 2025 50 yards away

    88% historically approved · decision due ~12 Nov

    1 x Oak (applicants ref. T1) - Crown reduction of up to 2m throughout the canopy to reduce end-weight on lateral branches and bring the tree back into proportion. 1 x Laurel hedge (applicants ref. T2) Height 1m, length 88m. Remove and replace with traditional estate-style railings along the same boundary line.

    Awaiting decision Trees 3 docs

  • 68 Hadley Highstone Barnet EN5 4PY

    26/1417/RCU Submitted 16 Apr 2026 100 yards away

    First floor side extension. Roof extension involving side and rear dormer window (Retrospective Application)

    Refused Amendments Extension Loft or dormer +1 14 docs

  • 28 Beaumont Place Barnet EN5 4PR

    21/0645/ADJ Submitted 24 Mar 2021 150 yards away

    Erection of an outbuilding for use as rehabilitation and hydrotherapy pool. Installation of a lift shaft on the outside side of the house for wheelchair access. External ramps and level changes to the side/rear of the site, to aid access to the garden (Consultation from Adjacent Borough).

    Granted Outline

  • Colebrook Court Kitts End Road Barnet EN5 4QG

    26/1497/FUL Submitted 22 Apr 2026 200 yards away

    Conversion and extension of a detached garage to 1no. self-contained dwelling. Associated amenity space, refuse and recycling, cycle storage and off-street parking

    Refused Full applications Extension 6 docs
    Domestic

  • 29 Hadley Highstone Barnet EN5 4PU

    TCP/0089/26 Submitted 13 Feb 2026 200 yards away

    1 X Lime (Applicant Ref T1) - Crown reduction by removing 1.5m to 2m growth in height and spread, pruning back to previous pruning points as done 5 years ago to leave a balanced crown. Crown thin by 20%, starting from tip ends, no branches more than 40mm. Remove all debris

    Decided Trees 4 docs

In Barnet

  • 26/3853/HSE Awaiting decision

    30 Goldsmith Avenue London NW9 7HB

    Single storey rear extension following demolition of the existing extension

    23 Oct 2026 Householder
  • 26/3856/HSE Awaiting decision

    229 Hale Drive London NW7 3EH

    Single storey rear extension

    23 Oct 2026 Householder
  • 26/3863/HSE Awaiting decision

    12 Vale Drive Barnet EN5 2ED

    Single storey side and rear extension

    Received 23 Oct, published by the council 24 Oct 2026 Householder
  • 26/3858/HSE Awaiting decision

    131 Rushgrove Avenue London NW9 6RG

    Single storey rear extension. New front porch

    Received 23 Oct, published by the council 24 Oct 2026 Householder
  • 26/3827/HSE Awaiting decision

    43 Hermitage Lane London NW2 2HE

    Single storey rear extension with 3no. rooflights following demolition of the existing conservatory. Replacement front bay window and entrance porch. First floor rear juliette balcony. Changes to fenestration including new window openings and enlarged front rooflight

    22 Oct 2026 Householder