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Planning application

16, 18 And 20 Sydney Grove London NW4 2EH

Granted Barnet 25/4511/FUL Full Application

Works: Extension

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

Proposal

Part single, part two storey side / rear extensions to all three properties

As published by the council, reference 25/4511/FUL

Application record

Reference
25/4511/FUL
Type
Full Application
Status
Approved subject to conditions
Decision
Granted As published: Approve subject to conditions
Received
12 Nov 2025
Validated
14 Nov 2025
Decided
9 Jan 2026
Ward
Hendon
Decision by
Delegated Decision
Postcode
NW4 2EH

Site history

Applications at this address on the Barnet register

This site has had 3 applications since 2025: 1 approved, 0 refused.

  • 25/4512/FUL Withdrawn

    16, 18 And 20 Sydney Grove London NW4 2EH

    Part single, part two storey side / rear extensions to all three properties

    Decided 9 Jan 2026 Full applications
  • 25/4513/FUL Withdrawn

    16, 18 And 20 Sydney Grove London NW4 2EH

    Part single, part two storey side / rear extensions to all three properties. Roof extension including hip to gable and 3no. rooflights to front roofslope of No.20 and rear dormer windows to Nos. 18 and 20

    Decided 9 Jan 2026 Full applications

Timeline

Dates from the published record

  1. 12 Nov 2025

    Received by Barnet

  2. 14 Nov 2025

    Validated

    Checked as complete and ready for consideration.

  3. 9 Jan 2026

    Decision issued: Approve subject to conditions

  4. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

W Planning Agent, a planning consultancy registered in London

Active · incorporated 2024 · London

24 applications on PlanIndex · across 2 councils · 70% granted

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Documents

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

30 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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What this grant of permission means

Barnet granted permission on 9 January 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 full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 16, 18 And 20 Sydney Grove London NW4 2EH

    25/4513/FUL Submitted 12 Nov 2025 50 yards away

    Part single, part two storey side / rear extensions to all three properties. Roof extension including hip to gable and 3no. rooflights to front roofslope of No.20 and rear dormer windows to Nos. 18 and 20

    Withdrawn Full applications Extension Loft or dormer +1 32 docs

  • 20 Sydney Grove London NW4 2EH

    26/0947/192 Submitted 12 Mar 2026 50 yards away

    Roof extension involving hip to gable with 1no. rear dormer window over main roof and 1no. rear dormer over outrigger roof and 2no. front facing rooflights

    Granted Lawful development Extension Loft or dormer +1 12 docs

  • 16 Sydney Grove London NW4 2EH

    25/4514/HSE Submitted 12 Nov 2025 50 yards away

    Part single, part two storey side / rear extension

    Granted Householder Extension 27 docs
    Domestic

  • 16, 18 And 20 Sydney Grove London NW4 2EH

    25/4512/FUL Submitted 12 Nov 2025 50 yards away

    Part single, part two storey side / rear extensions to all three properties

    Withdrawn Full applications Extension 31 docs

  • 18 Sydney Grove London NW4 2EH

    26/0948/192 Submitted 12 Mar 2026 50 yards away

    Roof extension involving hip to gable with 1no. rear dormer window over main roof and 1no. rear dormer over outrigger roof and 3no. front facing rooflights

    Granted Lawful development Extension Loft or dormer +1 11 docs

  • 22 Sydney Grove London NW4 2EH

    25/4611/S73 Submitted 19 Nov 2025 50 yards away

    93% historically approved · decision due ~14 Jan

    Variation of condition 1 (Approved plans) pursuant to planning permission 25/2141/HSE dated 22/05/2025 for `Single storey rear extension following demolition of the existing conservatory and alterations to roof of existing single storey outrigger.` Amendments include enlarged rear extension with amended boundary

    Awaiting decision Conditions Extension Demolition 9 docs
    Small domestic

In Barnet

  • 26/2740/FUL Refused

    867 Finchley Road London NW11 8RR

    Change of use of a betting office (Sui Generis) to an Adult Gaming Centre (Sui Generis)

    Received 24 Jul, published by the council 3 Aug 2026 Full applications
  • 26/3851/FUL Awaiting decision

    517 Watford Way London NW7 2QR

    Single storey extension to the rear of the existing workshop building to provide relocated MOT Bay

    23 Oct 2026 Full applications
  • 26/3848/FUL Awaiting decision

    157 Brent Street London NW4 4DJ

    Mansard roof extension involving 2no. front, 3no. side and 2no. rear dormer windows to provide 1no. self-contained flat including raising of the eaves level and addition of window to second floor. Removal of chimneys. Additional side door to ground floor level to provide access to cycle and refuse/recycling storage

    23 Oct 2026 Full applications
  • 26/3828/FUL Awaiting decision

    41 - 43 Sneath Avenue London NW11 9AJ

    Part single, part two storey rear extensions to both properties following the demolition of the single storey rear extension at no.43

    22 Oct 2026 Full applications
  • 26/3829/FUL Awaiting decision

    369 Watford Way London NW4 4TE

    Change of use of the existing dwelling (Use Class C3) to a 11 bed 11 Person HMO (House in Multiple Occupation) (Use Class Sui Generis) including part single, part two storey side and rear extensions and roof extension involving rear dormer window. Associated refuse/recycling storage, cycle parking, landscaping and external amenity space

    22 Oct 2026 Full applications