66 Blenheim Gardens, London, NW2 4NT

1. 23 Jun 2021

   Received by Brent

2. 18 Aug 2021

   Decision issued: Certificate of Lawfulness - Granted

3. 30 Aug 2026

   Added to PlanIndex

Brent granted permission on 18 August 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.

• 80A Blenheim Gardens, London, NW2 4NT

  21/1810 Submitted 17 May 2021 0m away

  Demolition of existing rear conservatory and replacement with a new single storey rear extension to ground floor flat

  Granted Full applications Extension Demolition 3 docs
  Small domestic

• 80A Blenheim Gardens, London, NW2 4NT

  21/0853 Submitted 10 Mar 2021 0m away

  Demolition of existing rear conservatory and erection of single storey rear extension to dwellinghouse.

  Withdrawn Full applications Extension Demolition 2 docs
  Small domestic

• 98 Blenheim Gardens, London, NW2 4NT

  26/1410 Submitted 5 Jun 2026 0m away

  79% historically approved · decision due ~12 Aug

  Proposed demolition of existing rear extension, erection of single storey side to rear extension,...

  Decided Extension Demolition
  Small domestic

• 29A Blenheim Gardens, London, NW2 4NR

  19/4355 Submitted 11 Dec 2019 46m away

  Excavation of the existing basement to increase the floor to ceiling height and conversion into habitable space below the footprint of the property together with new windows and lightwell to front elevation of the ground floor flat.

  Granted Full applications Windows or glazing 7 docs

• 47 Blenheim Gardens, London, NW2 4NR

  20/3180 Submitted 5 Oct 2020 46m away

  Replacement of all existing single glazed timber sash windows and timber doors with double glazed, top hung PVCu windows of same appearance as the neighbour and double glazed PVCu doors to all flats

  Granted Full applications New dwelling Windows or glazing 9 docs

• 39 Blenheim Gardens, London, NW2 4NR

  25/3551 Submitted 19 Dec 2025 46m away

  Non material amendment (Revised roof windows locations and sizes on permitted side extension, minor height and roof slope change to permitted side extension) of Full Planning Permission application reference 24/2237 dated 10/12/2024 for Alterations to existing garage and utility rooms and erection of proposed single-storey side extension, new doors to rear and pergola to dwellinghouse

  Granted Amendments Extension Windows or glazing 6 docs
  Small domestic

• 26/0783 Granted

  3 Hamilton Road, London, NW10 1NU

  Certificate of lawfulness for existing single-storey rear extension to dwellinghouse

  26 Mar 2026 Lawful development
• 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.

  30 Jul 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

  13 May 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.

  23 Apr 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.

  11 May 2026 Lawful development