55 Cornwall Crescent, London, W11 1PJ

This site has had 4 applications since 2024: 1 approved, 1 refused.

• NMA/26/02410 Decided

  55 Cornwall Crescent, London, W11 1PJ

  Non-material amendment to planning permission PP/24/04763 (Single storey rear extension, bike store and planter to the frontage and other associated works) to reduce the depth of the rear extension and replacement of 2x roof lights with glazing to the roof.

  Decided 1 Jul 2026 Amendments
• NMA/26/00894 Refused

  55 Cornwall Crescent, London, W11 1PJ

  Non-material amendment to planning permission 24/04763 to allow reduction to the extent of the lower ground floor rear extension; remove two rooflights and replace with glazing to edge of roof; removal of non-original window, enlarge opening and replace with new timber sash window to match

  Decided 3 Apr 2026 Amendments
• PP/24/04763 Granted

  55 Cornwall Crescent, London, W11 1PJ

  Single storey rear extension, bike store and planter to the frontage and other associated works.

  Decided 1 Nov 2024 Full applications

1. 26 May 2026

   Received by Kensington and Chelsea

2. 1 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 21 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Kensington and Chelsea took a median of 84 days over the applications it decided in the last year.

This application is with Kensington and Chelsea for determination, against a statutory target of eight weeks. Over the last year Kensington and Chelsea decided full applications in a median of 111 days. More in our guide to how long planning decisions take.

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.

• 55 Cornwall Crescent, London, W11 1PJ

  NMA/26/00894 Submitted 9 Mar 2026 0m away

  Non-material amendment to planning permission 24/04763 to allow reduction to the extent of the lower ground floor rear extension; remove two rooflights and replace with glazing to edge of roof; removal of non-original window, enlarge opening and replace with new timber sash window to match

  Refused Amendments Extension Loft or dormer +1 8 docs

• 41-43 Cornwall Crescent, London, W11 1PJ

  PP/26/02663 Submitted 13 May 2026 0m away

  Replacement of single-glazed timber windows throughout with new double glazed timber sliding sash and rear door to match the style, profile, character, and aesthetic of the existing

  Granted Full applications Windows or glazing 30 docs

• 55 Cornwall Crescent, London, W11 1PJ

  NMA/26/02410 Submitted 26 Apr 2026 0m away

  Non-material amendment to planning permission PP/24/04763 (Single storey rear extension, bike store and planter to the frontage and other associated works) to reduce the depth of the rear extension and replacement of 2x roof lights with glazing to the roof.

  Decided Amendments Extension Loft or dormer +1 9 docs
  Small domestic

• 67 Cornwall Crescent, London, W11 1PJ

  ARB/21/04082 Submitted 21 Jun 2021 0m away

  FELL 1x Poplar at rear

  Granted 11 docs

• 55 Cornwall Crescent, London, W11 1PJ

  PP/24/04763 Submitted 11 Jul 2024 0m away

  Single storey rear extension, bike store and planter to the frontage and other associated works.

  Granted Full applications Extension 20 docs
  Small domestic

• Basement Flat, 57 Cornwall Crescent, London, W11 1PJ

  PP/26/02081 Submitted 7 Apr 2026 0m away

  Partial retention of, and alterations to lower ground floor rear extension.

  Granted Full applications Extension 34 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