Skip to content
PlanIndex Get alerts
Menu

Planning application

54 Stanhope Avenue London N3 3NA

Decided Barnet 25/4208/192 Proposed Lawful Development Certificate

Works: Extension Loft or dormer Windows or glazing

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Roof extension involving hip to gable, rear dormer window with juliette balcony, 3no. rear and 4no. front facing rooflights. Erection of a rear outbuilding

As published by the council, reference 25/4208/192

Application record

Reference
25/4208/192
Type
Proposed Lawful Development Certificate
Status
Lawful
Decision
Lawful
Received
21 Oct 2025
Validated
21 Oct 2025
Decided
12 Dec 2025
Ward
Finchley Church End
Decision by
Delegated Decision
Postcode
N3 3NA

Timeline

Dates from the published record

  1. 21 Oct 2025

    Received by Barnet

  2. 12 Dec 2025

    Decision issued: Lawful

  3. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, registered in Grays

42 applications on PlanIndex · across 15 councils · 81% granted

Trade members see who it is, their full track record, and every application they have filed.

See who's behind it

Documents

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

19 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.

Trade members open them from here.

Open the documents

After the decision

The process from here

The council has decided this application; the published outcome sits in the record above and the decision notice on the council portal carries the detail, including any conditions.

If permission was granted, work must normally begin within three years of the decision. If it was refused, the applicant can appeal within the statutory time limit or submit a revised scheme.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 54 Stanhope Avenue London N3 3NA

    25/4207/PNH Submitted 21 Oct 2025 0m away

    Single storey rear extension with a proposed depth of 6.00m, maximum height of 3.00m and eaves height of 3.00m

    Refused Prior approval Extension 16 docs
    Small domestic

  • 2 And 2A Mountfield Road London N3 3NB

    25/4445/FUL Submitted 7 Nov 2025 61m away

    61% historically approved · decision due ~12 Jan

    Conversion of existing 2no. dwellings into 4no. self-contained flats, including: Part single, part two storey rear extension; Roof extension involving creation of new mansard roof; Alterations to and conversion of existing garage to provide refuse and cycle storage; Provision of associated amenity space and off-street parking

    Awaiting decision Full applications New dwelling Extension +2 18 docs
    Several homes

  • 2 And 2A Mountfield Road London N3 3NB

    26/2176/FUL Submitted 11 Jun 2026 61m away

    61% historically approved · decision due ~11 Aug

    Demolition of existing garages and outbuilding/orangery; Conversion of the existing 2no. dwellings into 5no. self-contained residential units; including, Single storey rear extension with 2no. rooflights; Roof extension including hip to gable, 1no. front, side and rear dormer windows and 1no. side facing rooflight; Excavation and enlargement of existing basement including 2no. lighwells to side; Associated amenity space, refuse and cycle storage and provision of 3no. off-street parking spaces

    Awaiting decision Full applications Extension Loft or dormer +2 14 docs
    Several homes

  • 73A Stanhope Avenue London N3 3LY

    26/1759/FUL Submitted 11 May 2026 71m away

    61% historically approved · decision due ~6 Jul

    Roof extension involving rear dormer window and 3no. front facing rooflights. Removal of existing chimney stack. New side windows

    Awaiting decision Full applications Extension Loft or dormer +1 5 docs

  • 24 Mountfield Road London N3 3NE

    26/0420/192 Submitted 4 Feb 2026 86m away

    79% historically approved · decision due ~1 Apr

    Roof extension involving rear dormer window and 1no. rooflight

    Awaiting decision Lawful development Extension Loft or dormer +1 16 docs

  • 24 Mountfield Road London N3 3NE

    26/0404/HSE Submitted 3 Feb 2026 86m away

    77% historically approved · decision due ~31 Mar

    Single storey side and rear extension wrap-around extension with 5no. rooflights

    Awaiting decision Householder Extension Loft or dormer 20 docs
    Small domestic

In Barnet

  • 26/1907/191 Decided

    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)

    21 May 2026 Lawful development
  • 26/2059/192 Decided

    Low Ridge Rowley Lane Barnet EN5 3HS

    Erection of a rear outbuilding

    3 Jun 2026 Lawful development
  • 26/2066/192 Decided

    355 Hendon Way London NW4 3NB

    Roof extension involving rear dormer window and 3no. front facing rooflights. Removal of chimney on rear elevation (AMENDED DESCRIPTION)

    3 Jun 2026 Lawful development
  • 26/1663/192 Decided

    152 Deans Lane Edgware HA8 9NT

    Change of use from single family dwellinghouse (Class C3a) to supported living accommodation Class C3b)

    5 May 2026 Lawful development
  • 26/2025/192 Decided

    18 Hale Drive London NW7 3DU

    Roof extension involving hip to gable, rear dormer window, 2no. front facing rooflights and new side gable window

    1 Jun 2026 Lawful development