Flat 3, 55 Onslow Square, London, SW7 3LR

1. 23 Feb 2023

   Received by Kensington and Chelsea

2. 24 Mar 2023

   Decision issued: Raise No Objection

3. 3 Aug 2026

   Added to PlanIndex

Kensington and Chelsea granted permission on 24 March 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.

The published feed does not state which type of application this is; the register entry on Kensington and Chelsea's portal will say. Our guide explains the common types.

• Flat 3, 55 Onslow Square and 57 Onslow Square, London, SW7 3LR

  CON/26/01257 Submitted 23 Jan 2026 0m away

  Details required by condition 3(Submission of details - w) extent and form of alterations to floor structure in G11, demonstrating retention of joists and any surviving floor surfaces) of listed building consent LB/25/02622 (Part demolition to allow erection of orangery, lower ground rear extension, introduction of AC units and internal works)

  Granted Conditions Extension Demolition 13 docs

• Flat 3, 55 Onslow Square and 57 Onslow Square, London, SW7 3LR

  CON/26/01256 Submitted 23 Jan 2026 0m away

  Details required by Condition 3 (v) (Submission of Details) of?Listed Building Consent LB/25/02622?(Part demolition to allow erection of orangery, lower ground rear extension, introduction of AC units and internal works).?

  Granted Conditions Extension Demolition 14 docs

• Flat 3, 55 Onslow Square and 57 Onslow Square, London, SW7 3LR

  CON/26/01255 Submitted 23 Jan 2026 0m away

  Details required by condition 3(g)(submission of details - (g) Elevation (1:5) drawings and photographs of proposed airbricks;) of listed building consent 25/02622 (Part demolition to allow erection of orangery, lower ground rear extension, introduction of AC units and internal works).

  Granted Conditions Extension Demolition 7 docs

• Flat 4, 51 Onslow Square, London, SW7 3LR

  LB/26/02270 Submitted 17 Apr 2026 0m away

  96% historically approved · decision due ~12 Jun

  Internal alterations to existing bathrooms, creation of a laundry room and associated alterations.

  Awaiting decision Heritage and listed buildings 21 docs

• Flat 3, 55 Onslow Square and 57 Onslow Square, London, SW7 3LR

  CON/26/01253 Submitted 9 Jan 2026 0m away

  Details required by Condition 3 (submission of details - a) elevation (1:10) and section (1:5) drawings of new external doors and architraves with details of mouldings in section (1:1). New doors shall be made of solid timber and hand painted, unless otherwise specified in the approved drawings) of Listed Building consent LB/25/02622 (Part demolition to allow erection of orangery, lower ground rear extension, introduction of AC units and internal works)

  Granted Conditions Extension Demolition 13 docs

• Flat 3, 55 Onslow Square and 57 Onslow Square, London, SW7 3LR

  CON/26/01254 Submitted 9 Mar 2026 0m away

  Details required by Condition 3 (submission of details - c) plan (1:10) and section (1:5) drawings of new rooflights, including curved rooflight and pavement light) of Listed Building consent LB/25/02622 (Part demolition to allow erection of orangery, lower ground rear extension, introduction of AC units and internal works)

  Granted Conditions Extension Loft or dormer +1 12 docs