16 Coniston Close London N20 0QL

This site has had 2 applications since 2025.

• 26/0024/FUL Awaiting decision

  16 Coniston Close London N20 0QL

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

  Submitted 5 Jan 2026 Full applications

1. 8 Sep 2025

   Received by Barnet

2. 25 Sep 2025

   Validated

   Checked as complete and ready for consideration.

3. 10 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 20 November 2025, 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.

• 16 Coniston Close London N20 0QL

  26/0024/FUL Submitted 5 Jan 2026 50 yards away

  63% historically approved · decision due ~3 Mar

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

  Awaiting decision Full applications Extension Loft or dormer +1 7 docs

• First Floor Flat 16 Coniston Close London N20 0QL

  26/3626/FUL Submitted 7 Oct 2026 50 yards away

  63% historically approved · decision due ~3 Dec

  Roof extension including 1no. rear dormer window and 2no. front facing and 2no. side facing rooflights

  Awaiting decision Full applications Extension Loft or dormer +1

• Grass Verge Adj. To 31 Coniston House Derwent Crescent London N20 0QJ

  26/3686/LIC Submitted 8 Oct 2026 50 yards away

  78% historically approved · decision due ~3 Dec

  Installation of 1no. telecommunications cabinet

  Decided

• 20 Derwent Crescent London N20 0QQ

  25/4562/PNE Submitted 14 Nov 2025 150 yards away

  Change of use from medical centre (Class E) to 4no. self-contained flats (Class C3). Associated refuse/recycling and cycle storage

  Granted Prior approval New dwelling 14 docs

• Grosvenor Lodge 980 High Road London N20 0QG

  26/3027/FUL Submitted 18 Aug 2026 200 yards away

  63% historically approved · decision due ~23 Oct

  Alterations and extensions to provide an additional 5no. self contained flats including alterations to roof extending the ridge line and enlarging side gable features and new side dormers with 2no. front, side and rear facing rooflights. Part single, part two storey rear extension with new internal stairwells to existing building with associated amenity space, landscaping, cycle storage, parking

  Awaiting decision Full applications New dwelling Extension +1

• 32 Derwent Crescent London N20 0QQ

  25/3959/CON Submitted 30 Sep 2025 200 yards away

  93% historically approved · decision due ~25 Nov

  Submission of details of conditions 8 (Tree Protection Plan), 9 (Green Roof), 10 (Bio-diversity Enhancement Measures), 11 (Hedgehog Highways), 13 (Construction Management and Logistics Plan), 15 (Cycle Parking), and 17 (Materials) pursuant to planning permission 23/0197/FUL dated 20/04/23

  Awaiting decision Conditions Trees 4 docs

• 26/2740/FUL Refused

  867 Finchley Road London NW11 8RR

  Change of use of a betting office (Sui Generis) to an Adult Gaming Centre (Sui Generis)

  Received 24 Jul, published by the council 3 Aug 2026 Full applications
• 26/3851/FUL Awaiting decision

  517 Watford Way London NW7 2QR

  Single storey extension to the rear of the existing workshop building to provide relocated MOT Bay

  23 Oct 2026 Full applications
• 26/3848/FUL Awaiting decision

  157 Brent Street London NW4 4DJ

  Mansard roof extension involving 2no. front, 3no. side and 2no. rear dormer windows to provide 1no. self-contained flat including raising of the eaves level and addition of window to second floor. Removal of chimneys. Additional side door to ground floor level to provide access to cycle and refuse/recycling storage

  23 Oct 2026 Full applications
• 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