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 NW3 5AU

  2018/6362/P Submitted 21 Dec 2018 50 yards away

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

  Granted Householder Windows or glazing 7 docs
  Domestic

• 69 Belsize Lane London Camden NW3 5AU

  2024/4627/P 50 yards away

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

  Refused Full applications Extension Loft or dormer
  Domestic

• 67 Belsize Lane London NW3 5AU

  2010/5159/P 50 yards 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 50 yards 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 50 yards 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

• 63B Belsize Lane London NW3 5AU

  2018/4663/T Submitted 26 Sep 2018 50 yards away

  REAR GARDEN: 1 x Crab Apple (T1) - Fell to ground level

  Granted Trees 3 docs

• 2026/4031/P Awaiting decision

  10 Albert Street London NW1 7NZ

  Erection of an extension to widen rear dormer window at second floor.

  Received 2 Oct, published by the council 6 Oct 2026 Householder
• 2026/3231/P Granted

  9 Wadham Gardens London NW3 3DN

  Replacement rear timber casement window, installation of timber-panelled side access door, replacement of existing front boundary gates and piers, installation of metal railings, provision of reclaimed Yorkstone paving to the front garden and associated works.

  Received 30 Jul, published by the council 9 Aug 2026 Householder
• 2026/4030/P Awaiting decision

  6 Leverton Street London NW5 2PJ

  Replace garden wall with metal railing; replace 3 rear windows, 3 rear elevation side windows, 1 rear door and 1 rear elevation side door with double-glazed crittal windows and doors; remove 2 rear windows; render rear elevation brickwork; and associated works.

  Received 1 Oct, published by the council 9 Oct 2026 Householder
• 2026/3493/P Granted

  2 Wildwood Terrace London NW3 7HT

  Enlargement of the existing rear French doors and single-leaf door at lower ground floor level, together with the replacement of five rear timber sash windows.

  Received 14 Aug, published by the council 22 Aug 2026 Householder
• 2026/2003/P Granted

  23 Glenmore Road London NW3 4BY

  Installation of external AC unit with acoustic enclosure to rear garden.

  Received 29 May, published by the council 24 Jul 2026 Householder