54 Stanhope Avenue London N3 3NA

This site has had 2 applications since 2025: 1 approved, 1 refused.

• 25/4207/PNH Refused

  54 Stanhope Avenue London N3 3NA

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

  Decided 26 Nov 2025 Prior approval

1. 21 Oct 2025

   Received by Barnet

2. 12 Dec 2025

   Decision issued: Lawful

3. 10 Aug 2026

   Added to PlanIndex

Barnet granted permission on 12 December 2025, 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.

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.

• 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

• 2 And 2A Mountfield Road London N3 3NB

  25/4445/FUL Submitted 7 Nov 2025 50 yards away

  63% 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 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

• 73A Stanhope Avenue London N3 3LY

  26/1759/FUL Submitted 11 May 2026 100 yards away

  63% 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 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

• 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