11 Astell Street, London, SW3 3RT

1. 24 Jan 2023

   Received by Kensington and Chelsea

2. 17 Mar 2023

   Decision issued: Grant Planning Permission/Consent

3. 3 Aug 2026

   Added to PlanIndex

Kensington and Chelsea granted permission on 17 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.

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.

• 9 Astell Street, London, SW3 3RT

  PP/26/01841 Submitted 18 Mar 2026 0m away

  Enlargement of existing ground floor rear extension with additional skylight

  Granted Full applications Extension 23 docs

• 21 Astell Street, London, SW3 3RT

  ARB/26/02996 Submitted 5 Jun 2026 0m away

  FELL 1 x Lawson Cypress and Prune 1 x Pittosporum (rear)

  Granted Trees 7 docs

• 31 Astell Street, London, SW3 3RT

  CON/23/06229 Submitted 25 Sep 2023 0m away

  Details required by Condition 8 (Surface water drainage (SuDS)) of planning permission PP/21/04655 (Erection of single storey infill and rear extension at ground floor level. Excavation and construction of new basement under proposed ground floor footprint and partially under both front and rear gardens)

  Granted Conditions Extension 8 docs
  Small domestic

• 29 Astell Street, London, SW3 3RT

  CON/23/07404 Submitted 13 Nov 2023 0m away

  Details required by Conditions 8 (small scale sampling -a) Searches of readily available environmental and historical information (EHI) and a soil sampling and analyses exercise (SAE) are undertaken for any garden, landscaping and/or yard (GLY) area and a corresponding SAE report is produced.b) Where mean concentrations of a contaminant within the soil over a part of or the whole of a site exceed generic or detailed quantitative risk assessment criteria (RAC), a remediation strategy (RS) will be produced); 9 (ground gas and vapour protection for extensions conditions (full discharge) of planning permission PP/22/07636 (Alterations including extending rear ground floor elevation, together with squaring off back at first floor level and provision of roof lantern and flue at roof level. Replacement of existing garage door with window to match other houses in terrace and new front door to front elevation. Alterations to rear elevation including new windows together with an a/c unit, acoustic enclosure, timber pergola, and garden store to rear)

  Granted Conditions Extension Windows or glazing 23 docs

• 29 Astell Street, London, SW3 3RT

  PP/22/01116 Submitted 21 Feb 2022 0m away

  Alterations including provision of a basement under footprint of property, extending rear ground floor elevation, together with squaring off back at first floor level and provision of roof lantern and flue at roof level. Alterations to front elevation including replacing existing garage door with a window, and new front door. Alterations to rear elevation including new windows.

  Granted Full applications Windows or glazing 43 docs

• 29 Astell Street, London, SW3 3RT

  CON/23/05897 Submitted 8 Sep 2023 0m away

  Details required by conditions 8 (small scale sampling) and 9 (ground as and vapour protection for extensions condition) of planning permission 22/07636 (Alterations including extending rear ground floor elevation, together with squaring off back at first floor level and provision of roof lantern and flue at roof level. Replacement of existing garage door with window to match other houses in terrace and new front door to front elevation. Alterations to rear elevation including new windows together with an a/c unit, acoustic enclosure, timber pergola, and garden store to rear)

  Refused Conditions Extension Windows or glazing 20 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