Flat 1, 17 Onslow Square, London, SW7 3NJ

This site has had 3 applications since 2023: 3 approved, 0 refused.

• LB/23/04830 Granted

  Flat 1, 17 Onslow Square, London, SW7 3NJ

  Replacement of all windows with like-for-like.

  Decided 19 Dec 2023 Heritage and listed buildings
• LB/23/04786 Granted

  Flat 1, 17 Onslow Square, London, SW7 3NJ

  Refurbishment of basement room to convert into utility/laundry/storage room. Addition of toilet-shower room. Redo all electrical re-wiring in order to install new toilet and washing machine.

  Decided 6 Nov 2023 Heritage and listed buildings

1. 20 Jul 2023

   Received by Kensington and Chelsea

2. 20 Sep 2023

   Validated

   Checked as complete and ready for consideration.

3. 19 Dec 2023

   Decision issued: Grant Planning Permission/Consent

4. 19 Aug 2026

   Added to PlanIndex

Kensington and Chelsea granted permission on 19 December 2023, 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 full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• Flat 11, 25 Onslow Square, London, SW7 3NJ

  LB/23/05779 Submitted 4 Sep 2023 0m away

  Internal refurbishment to include the replacement of internal finishes, fixtures and services; partial demolition of existing, non-load bearing partitions; reposition of the en-suite bathroom and layout; replacement of floor finishes with new engineered wood flooring, porcelain tiling and carpeted bedroom (replacing like for like); new stud partitions will be erected to allow for the creation of bedroom 3.

  Granted Heritage and listed buildings Demolition 21 docs

• 1-7 Onslow Square, London, SW7 3NJ

  LB/23/00156 Submitted 4 Jan 2023 0m away

  Installation of garden gate, historically recovered from Park House to rear Wellcome Trust communal garden at 1-7 Onslow Square.

  Granted Heritage and listed buildings 14 docs

• 1-7 Onslow Square, London, SW7 3NJ

  PP/23/00155 Submitted 4 Jan 2023 0m away

  Installation of garden gate, historically recovered from Park House to rear Wellcome Trust communal garden at 1-7 Onslow Square.

  Granted Full applications 22 docs

• 19 Onslow Square, London, SW7 3NJ

  LB/24/06173 Submitted 16 Sep 2024 0m away

  Installation of two fire rated doors in basement communal hallway.

  Granted Heritage and listed buildings 13 docs

• Flat 1, 17 Onslow Square, London, SW7 3NJ

  LB/23/04830 Submitted 20 Jul 2023 0m away

  Replacement of all windows with like-for-like.

  Granted Heritage and listed buildings Windows or glazing 25 docs

• Flat 1, 17 Onslow Square, London, SW7 3NJ

  LB/23/04786 Submitted 20 Jul 2023 0m away

  Refurbishment of basement room to convert into utility/laundry/storage room. Addition of toilet-shower room. Redo all electrical re-wiring in order to install new toilet and washing machine.

  Granted Heritage and listed buildings 13 docs

• PP/18/01985 Withdrawn

  Flat 3, 24 Cornwall Gardens, London, SW7 4AW

  Works to second floor flat including erection of rear extension, creation of external roof terrace areas above and to rear of said extension (with perimeter metal railings), together with internal alterations including removal of internal wall between kitchen and living room, and other refurbishment works

  9 Apr 2018 Full applications
• PP/26/03176 Granted

  12 Shawfield Street, London, SW3 4BD

  Replacement windows, new rooflight and replacement lower ground rear rooflights.

  15 Jun 2026 Full applications
• PP/26/03048 Granted

  24 Charles II Place, London, SW3 4NG

  Removal of existing conservatory structure. Construction of a single-storey rear extension at lower ground floor level. Installation of a contemporary three-panel sliding glazed door opening onto rear garden. Internal reconfiguration at lower ground floor level.

  9 Jun 2026 Full applications
• PP/26/03042 Granted

  Flat 7, 7 Egerton Place, London, SW3 2EF

  Installation of air conditioning system including external condenser unit housed within enclosure at roof level. Replacement of roof lantern, rooflight and roof access hatch with flat glazed access hatch and rooflights. Replacement of two rear elevation uPVC windows with timber-framed slimline double-glazed sliding sash windows; and associated external alterations.

  9 Jun 2026 Full applications
• PP/26/02897 Withdrawn

  46 Evelyn Gardens, London, SW7 3BH

  Positioning of two new external heat pump condensers within two separate acoustic enclosures, one on main roof of house and other on rear forth floor roof terrace.

  1 Jun 2026 Full applications