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27A, Millway, Mill Hill, NW7 3QR

25/4260/FULFull planning permissionRefused
Full

Refused on 19 December 2025

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Roof extension including 1no. side dormer window, 1no. rear dormer window and 2no. front facing rooflights to create 1no. self-contained short term let unit (Use Class C1). Associated bin and bike storage

Submitted
30 October 2025
  1. Received30 Oct
  2. Validated
  3. Consult.
  4. Target
  5. Decided19 Dec

Decided in 50 days (council typically 56)

About this application

This is a planning application for a dormer extension at 27A, Millway, Mill Hill, NW7 3QR. Barnet has handled 768 applications of this type. This one was decided in 50 days, 6 days quicker than Barnet's typical decision time. There have been 5 other applications at this address. In the past year there have been 138 applications across MH22. We hold 1,044 applications in total for the NW7 postcode area.

62% of full planning permission 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.See what's approved near your address

Application details

Postcode
NW7 3QR
Application type
Full planning permission

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Article 4 direction: Article 4 Small Houses in Multiple Occupation (HMO) Area 1
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)

flood storage areas, conservation areas, listed buildings, tree preservation orders, green belt, 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
    16 Sep

    Submission of details of conditions 8 (Cycle Storage), 9 (Refuse) and 10 (Sound Insulation) of appeal…

    ApprovedDischarge of conditions26/3381/CON
  2. 2026
    9 Feb

    Roof extension including 1no. side dormer window, 1no. rear dormer window and 2no. front facing rooflights to…

    RefusedFull planning permission26/0507/FUL
  3. 2025
    19 Sep

    Change of use of first floor flat from C3 (Residential) to holiday home (Retrospective)

    RefusedFull planning permission25/3832/RCU
  4. 2025
    23 Apr

    Erection of a rear outbuilding with 1no. front and side rooflight

    ApprovedFull planning permission25/1586/FUL
  5. 2025
    7 Feb

    Roof extension including 1no. side dormer window, 1no. rear dormer window and 2no. front facing rooflights

    ApprovedFull planning permission25/0512/FUL
  6. 2025
    27 Jan

    Submission of details of condition 5 (Details of Foundations in Relation to Root Protection) pursuant to…

    ApprovedDischarge of conditions25/0270/CON

Source: Barnet

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

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