10 Blenheim Gardens, London, NW2 4NS

This site has had 4 applications since 2024: 1 approved, 3 refused.

• 25/3486 Granted

  10 Blenheim Gardens, London, NW2 4NS

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

  Decided 22 Jan 2026 Lawful development
• 25/3075 Refused

  10 Blenheim Gardens, London, NW2 4NS

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

  Decided 24 Dec 2025 Lawful development
• 24/2288 Refused

  10 Blenheim Gardens, London, NW2 4NS

  Certificate of lawfulness for proposed change of use from 6 bed HMO to single dwellinghouse.

  Decided 7 Nov 2024 Lawful development

1. 21 Nov 2025

   Received by Brent

2. 11 Dec 2025

   Validated

   Checked as complete and ready for consideration.

3. 5 Feb 2026

   Decision issued: Permission Refused

4. 11 Aug 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 32 Blenheim Gardens, London, NW2 4NS

  19/3904 Submitted 4 Nov 2019 50 yards away

  Enlargement of existing basement with addition of side and rear lightwells and associated pedestrian access way to dwellinghouse

  Granted Householder 10 docs
  Domestic

• 34 Blenheim Gardens, London, NW2 4NS

  25/2342 Submitted 12 Aug 2025 50 yards away

  Demolition of rear conservatory and erection of single-storey side-to-rear extension and raised rear terrace with glass balustrade to ground floor flat

  Refused Full applications Extension Demolition 5 docs
  Small domestic

• 34 Blenheim Gardens, London, NW2 4NS

  22/0941 Submitted 14 Mar 2022 50 yards away

  Erection of a timber outbuilding in rear garden to ground floor flat

  Granted Full applications 5 docs

• 30A Blenheim Gardens, London, NW2 4NS

  24/3247 Submitted 18 Nov 2024 50 yards away

  Proposed removal of chimney shaft and various fenestration alterations/replacements to first floor flat comprising: - Alterations and replacement to rear first floor window; - Removal of window and insertion of double glazed aluminium window to first floor south side elevation; - Replacement of existing ground floor side entrance door with double glazed aluminium door; and - Replacement of existing ground floor side window with double glazed aluminium window.

  Granted Full applications Windows or glazing 9 docs

• 42C Blenheim Gardens, London, NW2 4NS

  21/2426 Submitted 28 Jun 2021 50 yards away

  Details pursuant to condition 5 (construction logistics plan) of Full Planning Permission reference 20/0741 dated 30 June, 2020, for Basement extension with creation of side lightwell and sunken patio to rear; replacement of door and external staircase to existing rear extension; installation of juliet balcony to rear and opening of 2 new windows to side elevation at ground floor level; widening of vehicle crossover to create additional parking spaces with associated landscaping to maisonette

  Granted Conditions Extension Windows or glazing 4 docs

• 10 Blenheim Gardens, London, NW2 4NS

  25/3486 Submitted 15 Dec 2025 50 yards away

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

  Granted Lawful development 7 docs
  Small domestic

• 26/2300 Awaiting decision

  22 Plympton Avenue, London, NW6 7TJ

  Proposed single-storey side infill extension, replacement of ground floor rear door with window, and replacement of ground floor rear windows with sliding doors to dwellinghouse

  Received 10 Sep, published by the council 21 Sep 2026 Householder
• 26/2292 Awaiting decision

  116 Stag Lane, Edgware, HA8 5LL

  Demolition of existing side store and proposed single store side to rear extension, first floor part side and rear extension, front porch extension, hip to gable extension, rear dormer window with 4x front rooflights and removal of chimney stack to the dwellinghouse.

  Received 9 Sep, published by the council 21 Sep 2026 Householder
• 26/2297 Awaiting decision

  38 Hanover Road, London, NW10 3DS

  Proposed single-storey side-to-rear wrap around extension to dwellinghouse

  Received 9 Sep, published by the council 21 Sep 2026 Householder
• 26/2264 Awaiting decision

  19 Littleton Road, Harrow, HA1 3SY

  Proposed demolition of existing garage, single storey side extension and single storey rear extension, and erection of a two-storey side extension, part single and part two storey rear extension, 1x side and 1x rear dormer extension, conversion of garage into habitable space with replacement of garage door with window, alteration to front, rear and side fenestration and removal of chimney to dwellinghouse.

  Received 7 Sep, published by the council 21 Sep 2026 Householder
• 26/2262 Awaiting decision

  1 Chestnut Grove, Wembley, HA0 2LX

  Demolition of existing conservatory, part two storey rear extension, single storey structure to side extension & front porch and erection of single-storey side to rear extension, erection of first floor rear extension, alterations to raised patio, addition of hipped roof to first-floor side extension, 1x front & 1x rear rooflight, replacement of roof tiles, alterations to fenestrations, rendering to elevations, front porch canopy with pillars, new front door & new garage door to dwellinghouse

  Received 7 Sep, published by the council 21 Sep 2026 Householder