21 Gascony Avenue London Camden NW6 4NB

This site has had 3 applications since 2025: 2 approved, 0 refused.

• 2026/0729/P Granted

  21 Gascony Avenue London Camden NW6 4NB

  Erection of a rear dormer window and 2 x front facing roof lights

  Decided 17 Mar 2026 Lawful development
• 2025/3416/P Awaiting decision

  21 Gascony Avenue London Camden NW6 4NB

  Erection of a single storey rear/side infill extension and removal of a side window on the first floor.

  Full applications

1. 16 Dec 2025

   Received by Camden

2. 17 Dec 2025

   Validated

   Checked as complete and ready for consideration.

3. 27 Jan 2026

   Decision issued: Granted

4. 9 Aug 2026

   Added to PlanIndex

Camden granted permission on 27 January 2026, 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.

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.

• 21 Gascony Avenue London Camden NW6 4NB

  2025/3416/P 50 yards away

  92% historically approved

  Erection of a single storey rear/side infill extension and removal of a side window on the first floor.

  Awaiting decision Full applications Extension Windows or glazing
  Small domestic

• 55 Ainger Road London NW3 3AH

  2019/3289/P Submitted 27 Jun 2019 50 yards away

  Roof extension involving erection of rear dormer and insertion of 1x front rooflight.

  Granted Full applications Extension Loft or dormer 5 docs

• 54 Ainger Road London NW3 3AH

  2026/3159/P Submitted 27 Jul 2026 50 yards away

  93% historically approved · decision due ~6 Oct

  Certificate of lawful development for the existing use of the HMO as a small HMO(C4).

  Awaiting decision Lawful development 8 docs

• 54 Ainger Road London NW3 3AH

  2025/3499/P Submitted 11 Aug 2025 50 yards away

  Change of use from HMO (C4) to single residential (C3) and amalgamation with ground floor flat (C3)

  Refused Lawful development 7 docs

• Flat 2 53 Ainger Road London NW3 3AH

  2023/5152/P Submitted 5 Dec 2023 50 yards away

  Erection of a single storey rear outbuilding

  Granted Full applications 11 docs
  Small domestic

• Rear garden of 53 Ainger Road London NW3 3AH

  2010/1536/P 50 yards away

  Erection of a privacy/shade canopy in rear garden.

  Withdrawn Full applications

• 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