2 And 2A Mountfield Road London N3 3NB

This site has had 2 applications since 2025.

• 26/2176/FUL Awaiting decision

  2 And 2A Mountfield Road London N3 3NB

  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

  Submitted 11 Jun 2026 Full applications

1. 7 Nov 2025

   Received by Barnet

2. 17 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 10 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 12 January 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 full applications in a median of 56 days. More in our guide to how long planning decisions take.

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.

• 2 And 2A Mountfield Road London N3 3NB

  26/2176/FUL Submitted 11 Jun 2026 50 yards away

  63% 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

• 54 Stanhope Avenue London N3 3NA

  25/4207/PNH Submitted 21 Oct 2025 50 yards 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

• 54 Stanhope Avenue London N3 3NA

  25/4208/192 Submitted 21 Oct 2025 50 yards away

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

  Granted Lawful development Extension Loft or dormer +1 19 docs

• 24 Mountfield Road London N3 3NE

  26/0420/192 Submitted 4 Feb 2026 100 yards away

  80% 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 100 yards 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

• 225 - 229 Regents Park Road London N3 3LD

  26/3101/RCU Submitted 24 Aug 2026 100 yards away

  79% historically approved · decision due ~19 Oct

  Single storey rear extension to provide 50 additional seating. Use of the rear extension as a shisha lounge including retractable roof. (Retrospective application)

  Decided Extension
  Small domestic

• 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
• 26/3812/FUL Awaiting decision

  Ground Floor Battle House Mews 1 East Barnet Road Barnet EN4 8RR

  Erection of front canopy for fruit and vegetables area and installation awning and shutter box

  Received 21 Oct, published by the council 22 Oct 2026 Full applications
• 26/3821/FUL Awaiting decision

  170 Long Lane London N3 2RA

  Roof extension with rear dormer windows and 5no. rooflights to provide 1no. self-contained flat

  21 Oct 2026 Full applications
• 26/3794/FUL Awaiting decision

  283 Cricklewood Lane London NW2 2JJ

  Change of use of the property from a single family dwelling (Class C3) to a House in Multiple Occupation (HMO) (Sui generis) for up to 7 people. Associated refuse/recycling and cycle storage

  20 Oct 2026 Full applications