55 Annesley Avenue London NW9 5EG

1. 14 May 2026

   Received by Barnet

2. 25 Jul 2026

   Added to PlanIndex

3. 27 Jul 2026

   Decision issued: Lawful

Barnet granted permission on 27 July 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.

• 59 Annesley Avenue London NW9 5EG

  21/5209/HSE Submitted 29 Sep 2021 50 yards away

  First floor rear extension

  Withdrawn Householder Extension 9 docs
  Domestic

• 13 Annesley Avenue London NW9 5ED

  26/3446/RCU Submitted 22 Sep 2026 100 yards away

  78% historically approved · decision due ~17 Nov

  Retention of a part single, part-two storey rear extension, including reduction of an existing canopy from 0.6 metres to 0.30 metres and demolition of an existing outbuilding/shed. (Retrospective Application).

  Awaiting decision Extension Demolition
  Small domestic

• 21 Colindale Avenue London NW9 5DS

  26/0607/FUL Submitted 17 Feb 2026 100 yards away

  Erection of a single storey rear extension and reconfiguration of the internal layout of the commercial unit, including partial alteration of the existing single storey roof to form two internal courtyards with associated flank door openings and 2no rooflights

  Granted Full applications Extension Loft or dormer 12 docs
  Small domestic

• 55A Colindale Avenue London NW9 5EP

  25/5015/FUL Submitted 15 Dec 2025 150 yards away

  63% historically approved · decision due ~13 Feb

  Single storey rear extension. Roof extension involving rear dormer window and 1no. front facing rooflight

  Awaiting decision Full applications Extension Loft or dormer +1 11 docs
  Small domestic

• Silk House And Shoelands Court Annesley Avenue London NW9

  25/4428/ESR Submitted 5 Nov 2025 150 yards away

  Environmental Impact Assessment - Screening Opinion

  Decided Outline 2 docs

• Communicable Disease Surveillance Centre 61 Colindale Avenue London NW9 5EQ

  TPP/0384/26 Submitted 6 Jul 2026 150 yards away

  78% historically approved · decision due ~31 Aug

  1 x Wild Cherry (applicants ref. T20) - Prune to clear structures by 1m. Prune crown to clear wooden beam structure by entrance to building and lamp. Standing in Area A1 of Tree Preservation Order. 1 x Wild Cherry (applicants ref. T23) - Fell to just above ground level. Standing in Area A1 of Tree Preservation Order. 1 x Japanese Flowering Cherry (applicants ref. T24) - Prune to clear structure by 1m. Standing in Area A1 of Tree Preservation Order. 1 x Japanese Flowering Cherry (applicants ref. T25) - Prune to clear structure 1m. Prune crown to clear wooden beam structure. Standing in Area A1 of Tree Preservation Order. 1 x Japanese Flowering Cherry (applicants ref. T31) - Remove broken/hanging branch. Standing in Area A1 of Tree Preservation Order. 1 x Lombardy Poplar (applicants ref. T58) - Fell to ground level, leave 1m stump and stack cuttings near stump for biodiversity value. Standing in Area A1 of Tree Preservation Order. 1 x Lombardy Poplar (applicants ref. T60) - Fell to ground level. Standing in Area A1 of Tree Preservation Order. 1 x Lombardy Poplar (applicants ref. T61) - Fell to ground level. Standing in Area A1 of Tree Preservation Order. 1 x Lombardy Poplar (applicants ref. T62) - Fell to ground level. Standing in Area A1 of Tree Preservation Order. 1 x Silver Birch (applicants ref. T65) - Fell to ground level. Standing in Area A1 of Tree Preservation Order. 1 x Weeping Willow (applicants ref. T82) - Prune to clear structure by 1m. Standing in Area A1 of Tree Preservation Order. 1 x Lombardy Poplar (applicants ref. T95) - Clear vegetation to allow access to basal areas of trees for inspection purposes. Standing in Area A1 of Tree Preservation Order.

  Awaiting decision Trees

• 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