270 Colney Hatch Lane London N10 1BD

1. 5 Mar 2026

   Received by Barnet

2. 9 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 30 Apr 2026

   Decision issued: Lawful

4. 25 Jul 2026

   Added to PlanIndex

Barnet granted permission on 30 April 2026, 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.

• 217 Colney Hatch Lane London N10 1AP

  25/5055/RCU Submitted 16 Dec 2025 50 yards away

  65% historically approved · decision due ~12 Feb

  Change of use from a single dwellinghouse (Use Class C3) to a 3 bed HMO (House in Multiple Occupation (Use Class C4) (Retrospective Application)

  Awaiting decision Amendments 7 docs
  Domestic

• 12 Hopkins Close London N10 2PF

  26/2301/192 Submitted 18 Jun 2026 50 yards away

  78% historically approved · decision due ~13 Aug

  Single storey rear extension. Roof extension involving rear dormer window and 2no. front facing rooflights

  Awaiting decision Extension Loft or dormer +1
  Small domestic

• 12 Hopkins Close London N10 2PF

  26/2697/HSE Submitted 21 Jul 2026 50 yards away

  77% historically approved · decision due ~15 Sep

  Single storey rear extension with flat roof and 1no. skylight. Roof extension involving rear dormer window and 2no. front facing rooflights and new side window

  Decided Householder Extension Loft or dormer +1
  Small domestic

• 5 Hampden Road London N10 2HP

  26/1718/HSE Submitted 7 May 2026 100 yards away

  First floor rear extension including Juliette balcony. New rear rooflight window. Replacement of pitched roof over ground floor projection with flat roof and raised rooflight

  Granted Householder Extension Loft or dormer +1 7 docs
  Domestic

• Land To Rear Of Hampden Court Hampden Road London N10 2HN

  21/5740/191 Submitted 28 Oct 2021 150 yards away

  Implementation of planning permission 15/02182/FUL and 17/5028/S73 dated 02/10/17 for `Demolition of existing building and erection of 3no. two storey houses, associated car parking and landscaping.`

  Refused Lawful development Demolition 13 docs

• 50B Cromwell Road London N10 2PD

  26/2210/FUL Submitted 15 Jun 2026 150 yards away

  63% historically approved · decision due ~10 Aug

  Extension of existing rear dormer over the outrigger with roof terrace with associated glass balustrade EXTENSION TO EXISTING DORMER OVER THE REAR OUTRIGGER INCLUDING CREATION AN ENCLOSED OUTSIDE VERANDA

  Withdrawn Full applications Extension Loft or dormer

• 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