47 Crespigny Road London NW4 3DU

1. 6 Feb 2026

   Received by Barnet

2. 9 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 10 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 6 April 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 lawful development applications in a median of 28 days. More in our guide to how long planning decisions take.

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.

• 46 Crespigny Road London NW4 3DX

  25/4928/HSE Submitted 9 Dec 2025 50 yards away

  Single storey front extension

  Withdrawn Householder Extension 5 docs
  Small domestic

• 48 Crespigny Road London NW4 3DX

  25/4862/HSE Submitted 4 Dec 2025 50 yards away

  Alterations to existing single storey rear extension: new double door, lowering ridge line of roof and new flat roof with 3no. rooflights

  Granted Householder Extension Loft or dormer 10 docs
  Small domestic

• 36 Crespigny Road London NW4 3DX

  25/3829/HSE Submitted 18 Sep 2025 50 yards away

  77% historically approved · decision due ~13 Nov

  Part single, part two storey front, side and rear extensions following demolition of the existing garage. Roof extension involving side and rear dormer windows and 3no. front facing rooflights

  Awaiting decision Householder Extension Loft or dormer +2 4 docs
  Domestic

• 40 Foscote Road London NW4 3SD

  25/4399/HSE Submitted 4 Nov 2025 50 yards away

  Two storey side and rear extension following demolition of the existing garage. Alterations to existing patio area. Roof extension involving hip to gable, side and rear dormer windows and front, side and rear facing rooflights

  Granted Householder Extension Loft or dormer +2 9 docs
  Domestic

• 45 Foscote Road London NW4 3SE

  26/0833/192 Submitted 5 Mar 2026 100 yards away

  Roof extension involving side/rear wraparound dormer and 1no. front facing rooflights

  Granted Lawful development Extension Loft or dormer 7 docs

• 45 Foscote Road London NW4 3SE

  26/1685/HSE Submitted 5 May 2026 100 yards away

  First floor rear extension

  Granted Householder Extension 12 docs
  Domestic

• 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