18 Squires Lane London N3 2AT

1. 12 Jan 2026

   Received by Barnet

2. 10 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 9 March 2026, 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.

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.

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.

• 16 And 18 Squires Lane London N3 2AT

  26/1005/FUL Submitted 17 Mar 2026 50 yards away

  Single storey rear extension with 3no. rooflights to both properties

  Granted Full applications Extension Loft or dormer 11 docs
  Small domestic

• 16 Squires Lane London N3 2AT

  26/0041/HSE Submitted 7 Jan 2026 50 yards away

  77% historically approved · decision due ~4 Mar

  Single storey rear extension with 3no. flat rooflights following demolition of the existing kitchen extension

  Awaiting decision Householder Extension Loft or dormer +1 7 docs
  Several homes

• 38 Squires Lane London N3 2AT

  26/1298/HSE Submitted 7 Apr 2026 50 yards away

  77% historically approved · decision due ~4 Jun

  Single storey rear extension with 3no. skylights

  Awaiting decision Householder Extension 7 docs
  Small domestic

• 42 Squires Lane London N3 2AT

  26/0412/PNH Submitted 3 Feb 2026 100 yards away

  56% historically approved · decision due ~31 Mar

  Single storey rear extension with a proposed maximum depth of 4.00m, maximum height of 3.02m and eaves height of 2.95m

  Awaiting decision Prior approval Extension 4 docs
  Small domestic

• 42 Squires Lane London N3 2AT

  25/4721/HSE Submitted 26 Nov 2025 100 yards away

  77% historically approved · decision due ~21 Jan

  Single storey side and rear extension with 4no. rooflights

  Awaiting decision Householder Extension Loft or dormer 3 docs
  Small domestic

• 431 High Road London N12 0AP

  26/1653/FUL Submitted 1 May 2026 100 yards away

  Part single, part two storey side/rear extension to existing rear outrigger, roof extension including rear dormer window and insertion of 3no. rooflights to front roofslope, and conversion of existing maisonette at first and second floor level into 3no. self-contained flats (Class C3) and refurbishment of existing ground floor shop (Class E)

  Refused Full applications New dwelling Extension +2 16 docs

• 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