Flat 5, 77 Cadogan Square, London, SW1X 0DY

This site has had 2 applications since 2026: 0 approved, 2 refused.

• LB/26/01812 Refused

  Flat 5, 77 Cadogan Square, London, SW1X 0DY

  Formation of mansard roof above the rear portion of No. 75 to extend the existing fifth floor apartment at Nos. 75-77 Cadogan Square, together with the installation of flat roofed dormer windows, rooflights and a concealed roof terrace, and internal alterations including the insertion of a staircase to create a duplex apartment

  Decided 29 May 2026 Heritage and listed buildings

1. 17 Mar 2026

   Received by Kensington and Chelsea

2. 29 May 2026

   Decision issued: Refuse Planning Permission/Consent

3. 20 Jul 2026

   Added to PlanIndex

Kensington and Chelsea refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• Basement/ground Floor (rear), 67 Cadogan Square, London, SW1X 0DY

  PP/26/01167 Submitted 22 Dec 2025 0m away

  Retrospective application for the installation of an air conditioning condenser to the rear lightwell, alterations to lightwell fenestration, and internal alterations to the ground and lower ground floors, including new fireplaces, doors, partitions, and joinery

  Granted Full applications Windows or glazing 48 docs

• First Floor Flat, 67 Cadogan Square, London, SW1X 0DY

  PP/23/06561 Submitted 10 Oct 2023 0m away

  Internal alterations to first floor flat, installation of condenser unit with associated acoustic enclosure on existing rear/side flat roof, adaptation of non-original side window to door, black painted steel railings over existing rear/side parapet.

  Withdrawn Full applications Windows or glazing 18 docs

• First Floor Flat, 67 Cadogan Square, London, SW1X 0DY

  LB/23/06562 Submitted 10 Oct 2023 0m away

  Internal alterations to first floor flat, installation of condenser unit with associated acoustic enclosure on existing rear/side flat roof, adaptation of non-original side window to door, black painted steel railings over existing rear/side parapet.

  Withdrawn Heritage and listed buildings Windows or glazing 15 docs

• Basement/ground Floor (rear), 67 Cadogan Square, London, SW1X 0DY

  CON/26/02747 Submitted 21 May 2026 0m away

  Details required by conditions 4a and 4c (submission of details) of listed building consent 26/01168 (Retrospective application for the installation of an air conditioning condenser to the rear lightwell, alterations to lightwell fenestration, and internal alterations to the ground and lower ground floors, including new fireplaces, doors, partitions, and joinery)

  Granted Conditions Windows or glazing 12 docs

• 77 Cadogan Square, London, SW1X 0DY

  PP/26/00692 Submitted 18 Dec 2025 0m away

  Alterations to existing lift shaft at second floor to raise the lift landing level. New opening in internal wall alongside. Minor alterations to the shaft housing externally to suit.

  Granted Full applications 18 docs

• 63 Cadogan Square, London, SW1X 0DY

  CON/23/06481 Submitted 4 Oct 2023 0m away

  Details required by condition 4b (Submission of details - drawings showing extent of replacement of tiles, and samples of proposed slates and tiles) of listed building consent 23/02307 (Erection of a single storey side infill extension, window alterations and internal alterations including changes to layout.) ***WITHDRAWN***

  Withdrawn Conditions Extension Windows or glazing 6 docs
  Small domestic

• 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