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Planning application

57 Westbury Road London N12 7PB

Granted Barnet 26/2402/192 Proposed Lawful Development Certificate

Works: Loft or dormer Windows or glazing

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

Proposal

Changes to fenestration including insertion of 3no. new windows to north elevation, 1no. new window to south elevation. 2no. new windows to rear elevation, alterations to front elevation: front door, rooflights and windows

As published by the council, reference 26/2402/192

Application record

Reference
26/2402/192
Type
Proposed Lawful Development Certificate
Status
Lawful
Decision
Granted As published: Lawful
Received
24 Jun 2026
Validated
25 Jun 2026
Decided
16 Jul 2026
Ward
West Finchley
Decision by
Delegated Decision
Postcode
N12 7PB

Site history

Applications at this address on the Barnet register

This site has had 4 applications since 2025: 2 approved, 0 refused.

  • 26/1617/HSE Awaiting decision

    57 Westbury Road London N12 7PB

    Ground floor side extension. New balcony at first floor level and addition of a green roof on the existing ground floor extension. Alteration to the existing ground floor balcony, Alterations to fenestration including changes to rooflights

    Submitted 29 Apr 2026 Householder
  • 26/0114/192 Granted

    57 Westbury Road London N12 7PB

    Roof extension involving side/rear wraparound dormer window and 1no. front, 1no. side facing rooflight

    Decided 19 Jan 2026 Lawful development
  • 25/4800/HSE Awaiting decision

    57 Westbury Road London N12 7PB

    Single storey side extension following demolition of the existing extension. Alterations to first floor side roof. First floor rear extension. Changes to side and front fenestration

    Submitted 1 Dec 2025 Householder

Timeline

Dates from the published record

  1. 24 Jun 2026

    Received by Barnet

  2. 25 Jun 2026

    Validated

    Checked as complete and ready for consideration.

  3. 16 Jul 2026

    Decision issued: Lawful

  4. 9 Aug 2026

    Added to PlanIndex

Documents

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

12 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.

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Open the documents

What this grant of permission means

Barnet granted permission on 16 July 2026, 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 lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 57 Westbury Road London N12 7PB

    26/1617/HSE Submitted 29 Apr 2026 50 yards away

    77% historically approved · decision due ~24 Jun

    Ground floor side extension. New balcony at first floor level and addition of a green roof on the existing ground floor extension. Alteration to the existing ground floor balcony, Alterations to fenestration including changes to rooflights

    Awaiting decision Householder Extension Loft or dormer +1 14 docs
    Domestic

  • 57 Westbury Road London N12 7PB

    25/4800/HSE Submitted 1 Dec 2025 50 yards away

    77% historically approved · decision due ~27 Jan

    Single storey side extension following demolition of the existing extension. Alterations to first floor side roof. First floor rear extension. Changes to side and front fenestration

    Awaiting decision Householder Extension Demolition +1 10 docs
    Small domestic

  • 57 Westbury Road London N12 7PB

    26/0114/192 Submitted 13 Jan 2026 50 yards away

    Roof extension involving side/rear wraparound dormer window and 1no. front, 1no. side facing rooflight

    Granted Lawful development Extension Loft or dormer +1 5 docs

  • 65 Westbury Road London N12 7PB

    26/2670/HSE Submitted 17 Jul 2026 50 yards away

    77% historically approved · decision due ~11 Sep

    Erection of a rear outbuilding following demolition of the existing outbuilding

    Decided Householder Demolition
    Small domestic

  • 40 Westbury Road London N12 7PD

    25/4847/192 Submitted 3 Dec 2025 200 yards away

    80% historically approved · decision due ~29 Jan

    Roof extension involving rear dormer window and 3no. front facing rooflights

    Awaiting decision Lawful development Extension Loft or dormer +1 7 docs

  • 40 Westbury Road London N12 7PD

    26/0521/192 Submitted 10 Feb 2026 200 yards away

    80% historically approved · decision due ~7 Apr

    Roof extension involving rear dormer window and 3no. front facing rooflights

    Awaiting decision Lawful development Extension Loft or dormer +1 8 docs

In Barnet

  • 26/2679/192 Granted

    21 Myddelton Park London N20 0JH

    Single storey rear extension and increase in ridge height of existing rear outrigger (Amended description).

    Received 20 Jul, published by the council 7 Aug 2026 Lawful development
  • 26/1362/191 Refused

    145 Cotswold Gardens London NW2 1PL

    Use as a House in Multiple Occupation (HMO) for 6 people

    Received 14 Apr, published by the council 25 Jul 2026 Lawful development
  • 26/1907/191 Granted

    8 Golders Manor Drive London NW11 9HT

    Use of the property as a self-contained residential unit at ground floor level and the first and second floors as a 4-bedroom, 4-person House in Multiple Occupation (Sui Generis) (AMENDED DESCRIPTION)

    Received 21 May, published by the council 16 Aug 2026 Lawful development
  • 26/2392/192 Refused

    6 Mostyn Road Edgware HA8 0JD

    New front hardstanding and vehicular access to provide off-street parking

    Received 23 Jun, published by the council 9 Aug 2026 Lawful development
  • 26/2059/192 Refused

    Low Ridge Rowley Lane Barnet EN5 3HS

    Erection of a rear outbuilding

    Received 3 Jun, published by the council 16 Aug 2026 Lawful development