12 Summerfield Avenue, London, NW6 6JU

This site has had 3 applications since 2016: 2 approved, 1 refused.

• 21/1732 Granted

  12 Summerfield Avenue, London, NW6 6JU

  Proposed ground floor single-storey side extension to dwellinghouse.

  Decided 6 Jul 2021 Householder
• 16/0035 Refused

  12 Summerfield Avenue, London, NW6 6JU

  Proposed basement excavation to include front and rear lightwell, erection of single storey rear and side infill extension, rear dormer window, rooflight to outrigger and front rooflight to existing dwellinghouse.

  Decided 20 Oct 2016 Householder

1. 26 Nov 2020

   Received by Brent

2. 10 Dec 2020

   Validated

   Checked as complete and ready for consideration.

3. 26 Jan 2021

   Decision issued: Certificate of Lawfulness - Granted

4. 25 Jul 2026

   Added to PlanIndex

Brent granted permission on 26 January 2021, 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.

• 12 & 14 Summerfield Avenue, London, NW6 6JU

  21/3642 Submitted 27 Sep 2021 50 yards away

  Proposed excavation of basement, single storey side infill to rear extension, rear dormer window, one front rooflight, replacement of existing rear rooflight, three rooflights to side/rear projection, like for like replacement of front and rear fenestration, new first floor side window, enlargement of existing first floor side window, removal of first floor side window. Demolition of main roof rear main wall, side and rear walls on outrigger, leaving only the facade. Roof to be of new construction and rebuild exactly like for like. New hardstanding, soft landscaping and refuse storage to front garden to no.14. Proposed excavation of basement and ground floor single storey side infill extension, one roof light to side infill and hardstanding, soft landscaping and refuse storage to front garden to no.12.

  Withdrawn Full applications Extension Loft or dormer +2 2 docs
  Small domestic

• 6 Summerfield Avenue, London, NW6 6JU

  24/2031 Submitted 22 Jul 2024 50 yards away

  Proposed erection of single storey side infill extension, implementation of rear dormer window, replacement of fenestration to front and rear elevations and insertion of 2x rooflights to dwellinghouse

  Granted Householder Extension Loft or dormer +1 8 docs
  Small domestic

• 2 Summerfield Avenue, London, NW6 6JU

  20/0431 Submitted 10 Feb 2020 50 yards away

  Single storey side return extension with four rooflights and replacement of door and window to existing rear extension with folding doors to dwellinghouse

  Granted Householder Extension Loft or dormer +1 3 docs
  Small domestic

• 10 Summerfield Avenue, London, NW6 6JU

  20/2944 Submitted 21 Sep 2020 50 yards away

  Retrospective planning permission for excavation of basement with front and rear lightwell, erection of front boundary wall with fixed planter behind, tiling to front garden and proposed installation of metal gate to pedestrian access and additional fixed planter box

  Granted Householder 19 docs
  Small domestic

• 12 Summerfield Avenue, London, NW6 6JU

  21/1732 Submitted 11 May 2021 50 yards away

  Proposed ground floor single-storey side extension to dwellinghouse.

  Granted Householder Extension 6 docs
  Small domestic

• 12 Summerfield Avenue, London, NW6 6JU

  16/0035 Submitted 6 Jan 2016 50 yards away

  Proposed basement excavation to include front and rear lightwell, erection of single storey rear and side infill extension, rear dormer window, rooflight to outrigger and front rooflight to existing dwellinghouse.

  Refused Householder Extension Loft or dormer +1 10 docs
  Small domestic

• 26/2285 Awaiting decision

  137 Chatsworth Road, London, NW2 5QT

  Certificate of lawfulness for proposed use as supported housing

  Received 8 Sep, published by the council 21 Sep 2026 Lawful development
• 26/2277 Awaiting decision

  65 The Avenue, Wembley, HA9 9PH

  Certificate of lawfulness for proposed conversion of outbuilding into a gym and sauna and extension to the outbuilding in rear garden of the dwellinghouse.

  Received 8 Sep, published by the council 21 Sep 2026 Lawful development
• 26/2199 Awaiting decision

  Flat 8, 399 Neasden Lane North, London, NW10 0BD

  Certificate of lawfulness for existing use of rear unit 8 as a self-contained flat.

  Received 2 Sep, published by the council 21 Sep 2026 Lawful development
• 26/2093 Awaiting decision

  17 Buller Road, London, NW10 5BS

  Certificate of lawfulness for proposed alterations to front, side and rear fenestrations including installation of ground floor side oriel window and rear timber door to dwellinghouse

  Received 18 Aug, published by the council 21 Sep 2026 Lawful development
• 26/1208 Granted

  50 Ballogie Avenue, London, NW10 1TA

  Certificate of lawfulness for proposed rear dormer extension, hip to gable roof extension, alteration to fenestration and installation of rooflights to the dwellinghouse

  Received 13 May, published by the council 25 Jul 2026 Lawful development