69 Belsize Lane London Camden NW3 5AU

This site has had 2 applications since 2024: 0 approved, 2 refused.

• 2024/4627/P Refused

  69 Belsize Lane London Camden NW3 5AU

  Erection of a mansard roof extension to create a second floor to the existing dwellinghouse.

  Decided 5 Dec 2024 Full applications

1. 21 Aug 2025

   Received by Camden

2. 1 Sep 2025

   Validated

   Checked as complete and ready for consideration.

3. 15 Oct 2025

   Decision issued: Refused

4. 9 Aug 2026

   Added to PlanIndex

This application is at appeal, which passes the decision from Camden to the planning inspectorate, and the outcome will replace the council's decision. 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.

• 69 Belsize Lane London Camden NW3 5AU

  2024/4627/P 3m away

  Erection of a mansard roof extension to create a second floor to the existing dwellinghouse.

  Refused Full applications Extension Loft or dormer
  Domestic

• 69 Belsize Lane London NW3 5AU

  2018/6362/P 3m away

  Conversion of garage to living space and replacement of garage doors with timber glazed doors

  Granted Full applications Windows or glazing

• 67 Belsize Lane London NW3 5AU

  2010/5159/P 11m away

  Alterations to roof profile including installation of rooflights, timber decking, planting bed and balustrade associated with use of flat roof section as roof terrace and installation of solar panels on rear roof slope, alterations to front, rear and side elevations and erection of first floor rear extension to mixed use building (Class D1 & C3).

  Granted Full applications Extension Loft or dormer

• Workshop and Premises at Ground Floor 67 Belsize Lane London NW3 5AU

  2017/4823/P 11m away

  Change of use of ground floor to form part workshop (Use class D1) and part flexible workshop (Use class D1) and office (Use class B1), along with associated elevational alterations and erection of rear extension

  Granted Full applications Extension

• 67 Belsize Lane London NW3 5AU

  2010/5158/P 11m away

  Removal of Conditions 2 (Details of the proposed roof plant shall have been approved by the council before any work on site is commenced), Condition 5 (The extract ventilating system shall be provided and permanently retained with acoustic isolation to prevent the transmission of noise and /or vibration to any other parts of the building before the use of the music teaching rooms commences) & removal or variation of Condition 6 (The scheme of sound insulation and extract ventilation shown on the approved drwgs shall be carried out before the use of the ground floor as music teaching rooms commences) pursuant to planning permission granted on 20/09/1996 (planning application ref: P9601751) for the Change of use from Class B1 Office to Class D1 music teaching rooms and one self contained residential flat on the first floor, plus the erection of front ground floor extension.

  Withdrawn Full applications Extension

• 32 Belsize Park London NW3 4DX

  2012/0457/T 34m away

  REAR GARDEN: 1 x Purple Leaf Elder - Fell to 4m.

  Granted Trees

• 2026/3635/P Awaiting decision

  9 Rosecroft Avenue London NW3 7QA

  Proposed remodelling of the rear elevation to include ground floor raised terrace, replacement balustrades, new stairs from first floor to garden level, new windows and insertion of 2no. rooflights to rear hipped roof and 1no. rooflights to existing rear flat roof.

  4 Sep 2026 Householder
• 2026/2824/P Granted

  5 Meadowbank London Camden NW3 3AY

  Erection of a front mansard roof extension; alterations to openings on front and rear elevations including new French windows and enlarged existing windows; garage to study conversion on ground floor.

  6 Jul 2026 Householder
• 2026/3775/P Awaiting decision

  8 Tasker Road London NW3 2YB

  Demolition of existing bin store and construction of a new part one/two storey front extension, addition of new fenestrations to the north, east and south elevations, replacement of existing windows and cladding and addition of new rooflights.

  2 Sep 2026 Householder
• 2026/3761/P Awaiting decision

  45 Ornan Road London NW3 4QD

  Erection of a first floor rear extension above existing ground floor rear extension.

  2 Sep 2026 Householder
• 2026/3606/P Awaiting decision

  29 Solent Road London NW6 1TP

  BOPS & M3 - 26-00348-HRET - Retrospective application for the installation of a bicycle storage unit to the front elevation

  2 Sep 2026 Householder