20 Oak Grove London NW2 3LP

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

• 26/1540/RCU Awaiting decision

  20 Oak Grove London NW2 3LP

  Change of use of the property from a single family dwelling (Class C3) to a 7 bed House in Multiple Occupation (HMO) (Sui Generis). (Retrospective application) Proposed roof extension involving L shaped dormer with juliette balcony

  Submitted 24 Apr 2026 Amendments
• 25/4228/192 Refused

  20 Oak Grove London NW2 3LP

  Roof extension involving L shaped dormer with juliette balcony

  Decided 18 Nov 2025 Lawful development

1. 16 Dec 2025

   Received by Barnet

2. 10 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 10 February 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.

• 20 Oak Grove London NW2 3LP

  26/1540/RCU Submitted 24 Apr 2026 50 yards away

  65% historically approved · decision due ~22 Jun

  Change of use of the property from a single family dwelling (Class C3) to a 7 bed House in Multiple Occupation (HMO) (Sui Generis). (Retrospective application) Proposed roof extension involving L shaped dormer with juliette balcony

  Awaiting decision Amendments Extension Loft or dormer 20 docs
  Domestic

• 20 Oak Grove London NW2 3LP

  25/4228/192 Submitted 22 Oct 2025 50 yards away

  Roof extension involving L shaped dormer with juliette balcony

  Refused Lawful development Extension Loft or dormer 14 docs

• 15 Elm Grove London NW2 3AE

  25/4507/FUL Submitted 12 Nov 2025 50 yards away

  63% historically approved · decision due ~7 Jan

  Change of use from a single dwellinghouse (Use Class C3) to a HMO (House in Multiple Occupation (Use Class C4) for up to 6 people

  Awaiting decision Full applications 15 docs
  Domestic

• 15 Elm Grove London NW2 3AE

  26/3074/RCU Submitted 21 Aug 2026 50 yards away

  78% historically approved · decision due ~16 Oct

  Change of use from a single dwellinghouse (Use Class C3) to a HMO (House in Multiple Occupation (Use Class C4) for up to 6 people (Retrospective Application)

  Decided
  Domestic

• 31 Elm Grove London NW2 3AE

  26/3434/CON Submitted 21 Sep 2026 50 yards away

  78% historically approved · decision due ~20 Nov

  Submission of details of conditions 3 (Pre-completion Sound Insulation Test Certificates) 4 (Refuse/recycling storage) 5 (Cycle parking storage) 9 (Amenity space sub-division) pursuant to planning permission 24/2636/FUL dated 03/07/2024

  Awaiting decision

• 27 Elm Grove London NW2 3AE

  25/5028/RCU Submitted 15 Dec 2025 50 yards away

  65% historically approved · decision due ~3 Mar

  Change of use from a single dwellinghouse (Use Class C3) to a 6 bed HMO (House in Multiple Occupation (Use Class C4) (Retrospective Application) Associated refuse/recycling and cycle storage

  Awaiting decision Amendments 7 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