Flat 1/2, 21 Onslow Gardens, London, SW7 3AL

This site has had 2 applications since 2026.

• LB/26/01309 Withdrawn

  Flat 1/2, 21 Onslow Gardens, London, SW7 3AL

  Internal alterations at ground floor and lower ground floor levels; alterations to internal lightwell; alterations to fenestration to restore original character of rear elevation at lower ground floor level and installation of AC units

  Decided 14 Jul 2026 Heritage and listed buildings

1. 20 Jan 2026

   Received by Kensington and Chelsea

2. 14 Jul 2026

   Decision issued: Withdrawn by Applicant

3. 20 Jul 2026

   Added to PlanIndex

The applicant withdrew this application before Kensington and Chelsea decided it, and is free to submit a revised scheme at any time. 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 1/2, 21 Onslow Gardens, London, SW7 3AL

  LB/26/01309 Submitted 20 Jan 2026 50 yards away

  Internal alterations at ground floor and lower ground floor levels; alterations to internal lightwell; alterations to fenestration to restore original character of rear elevation at lower ground floor level and installation of AC units

  Withdrawn Heritage and listed buildings Windows or glazing 2 docs

• Flat 7, 24 Onslow Gardens, London, SW7 3AL

  LB/23/06648 Submitted 13 Oct 2023 50 yards away

  Relocation of existing boiler within flat and installation of new flue venting to North western elevation external wall. Replacement of kitchen and bathroom furniture in like for like locations and redecoration.

  Granted Heritage and listed buildings 12 docs

• Gardens Rear Of 80/92, Onslow Gardens, London, SW7 3BS

  ARB/26/00612 Submitted 18 Dec 2025 50 yards away

  Prune 1x Prunus cerasifera 'Pissardii' (Pissard's Plum) and 1x Ilex aquifolium (Holly)

  Granted Trees 6 docs

• Flat 2, 88 Onslow Gardens, London, SW7 3BS

  CON/23/00531 Submitted 23 Jan 2023 50 yards away

  Details required by Conditions 3b and 3c (Submission of details) of planning permission 22/05255 (Refurbishment of first floor flat including: raising of modern suspended ceilings, installation of cornice in hallway, replacement of non-original floor coverings with timber herringbone parquet flooring and tiles, installation of under floor heating; replacement of modern metal grid walkway over rear lightwell with decorative pierced metal walkway; replacement of non-original doors, modern fitted furniture and replacement fire surround)

  Granted Conditions 11 docs

• Flat 1, 88 Onslow Gardens, London, SW7 3BS

  CON/21/03574 Submitted 1 Jun 2021 50 yards away

  Details required by Condition 2 (submission of details - a) drawings of the existing and proposed canted bay in elevation and section showing the reinstated part (left side) at 1:10 indicating profile of window mouldings, sill, materials and colour/finish, plus retention of historic fabric. To include associated construction methods, b) drawings of the proposed door, with or without lights, at a scale of 1:10, or 1:5 if appropriate, indicating profile of door and window frame mouldings, associated architrave, any door linings etc, type of glazing, materials and colour/finish) of Listed Building consent LB/21/01545 (Internal alterations including replacement of non-original porcelain floor tiles in entrance hall, redecoration, and sub-division of front basement bedroom to allow for relocation of bathroom, additional study. Alteration to bay window to reinstate historic form. Creation of doorway)

  Granted Conditions Windows or glazing 4 docs

• Flat 7, 90 Onslow Gardens, London, SW7 3BS

  LB/26/00320 Submitted 19 Feb 2026 50 yards away

  Refurbishment and internal alteration

  Granted Heritage and listed buildings 14 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

  Received 9 Apr, published by the council 1 Aug 2026 Full applications
• PP/26/03176 Granted

  12 Shawfield Street, London, SW3 4BD

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

  Received 15 Jun, published by the council 20 Jul 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.

  Received 9 Jun, published by the council 20 Jul 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.

  Received 9 Jun, published by the council 20 Jul 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.

  Received 1 Jun, published by the council 20 Jul 2026 Full applications