12 Sycamore Grove, London, NW9 8RB

This site has had 2 applications since 2020: 1 approved, 1 refused.

• 20/2961 Granted

  12 Sycamore Grove, London, NW9 8RB

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 2.9m Eaves height - 2.9m

  Decided 6 Nov 2020 Prior approval

1. 5 Aug 2020

   Received by Brent

2. 26 Aug 2020

   Validated

   Checked as complete and ready for consideration.

3. 17 Sep 2020

   Decision issued: Certificate of Lawfulness - Refused

4. 25 Jul 2026

   Added to PlanIndex

Brent refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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 Sycamore Grove, London, NW9 8RB

  20/2961 Submitted 21 Sep 2020 50 yards away

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 2.9m Eaves height - 2.9m

  Granted Prior approval Extension 5 docs
  Small domestic

• 31 Sycamore Grove, London, NW9 8RB

  26/0234 Submitted 2 Feb 2026 50 yards away

  70% historically approved · decision due ~17 Apr

  Proposed conversion of dwellinghouse into 2x self-contained flats, alterations to front, side and rear elevations, installation of 1x front rooflight, refuse storage to front and cycle storage to the rear, alteration to front, side and rear landscaping and subdivision of rear garden

  Awaiting decision Full applications New dwelling Loft or dormer 8 docs
  Domestic

• 31 Sycamore Grove, London, NW9 8RB

  22/3753 Submitted 1 Nov 2022 50 yards away

  Demolition of existing rear patio and proposed single storey rear extension, rear raised patio, loft conversion with rear dormer window, removal of chimney stack and 3x front rooflights to dwellinghouse.

  Refused Householder Extension Loft or dormer +2 6 docs
  Small domestic

• 31 Sycamore Grove, London, NW9 8RB

  22/3738 Submitted 31 Oct 2022 50 yards away

  Proposed demolition of existing rear extension and existing chimney stack and erection of single storey rear extension, rear raised patio, rear dormer window and three front rooflights to dwellinghouse

  Refused Householder Extension Loft or dormer +2 12 docs
  Small domestic

• 31 Sycamore Grove, London, NW9 8RB

  26/0224 Submitted 30 Jan 2026 50 yards away

  Proposed conversion of single family dwelling into two flats, subdivision of rear garden, alterations to the forecourt to provide 1x car parking space, and associated cycle and refuse storage (Revised description)

  Withdrawn Full applications New dwelling 2 docs
  Several homes

• 35 Maple Grove, London, NW9 8RA

  22/0921 Submitted 10 Mar 2022 100 yards away

  Certificate of lawfulness for proposed rear dormer loft conversion with 2 front rooflights to the dwellinghouse.

  Granted Lawful development Loft or dormer 8 docs
  Domestic

• 26/1946 Awaiting decision

  120 Gladstone Park Gardens, London, NW2 6RL

  Certificate of lawfulness for proposed rear dormer extension with Juliet balcony, hip to gable roof extension, installation of 1x window to side elevation and 2x front rooflights to dwellinghouse.

  Received 30 Jul, published by the council 10 Aug 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
• 26/1015 Refused

  5 Midholm, Wembley, HA9 9LJ

  Certificate of lawfulness for proposed installation of solar panels to the side and rear roofslope of the dwellinghouse.

  Received 23 Apr, published by the council 25 Jul 2026 Lawful development
• 26/1176 Refused

  47 Barn Rise, Wembley, HA9 9NH

  Certificate of lawfulness for proposed single storey outbuilding in rear garden of the dwellinghouse.

  Received 11 May, published by the council 25 Jul 2026 Lawful development
• 26/1166 Refused

  66 Okehampton Road, London, NW10 3EP

  Certificate of lawfulness for proposed rear dormer and side dormer extension, 1x front rooflight, replacing side elevation window and door with aluminium frame windows and doors to dwellinghouse.

  Received 8 May, published by the council 25 Jul 2026 Lawful development