40 Markham Street, London, SW3 3NR

1. 13 Nov 2023

   Received by Kensington and Chelsea

2. 8 Jan 2024

   Decision issued: Grant Planning Permission/Consent

3. 10 Aug 2026

   Added to PlanIndex

Kensington and Chelsea granted permission on 8 January 2024, 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.

• 49 Markham Street, London, SW3 3NR

  CON/26/00599 Submitted 18 Dec 2025 0m away

  Details required by Condition 7 (Code of Construction Practice) and Condition 8 (Sustainable Drainage Systems (SuDS) Strategy) of Planning Permission PP/25/04956 (Partial side return extension at lower ground floor; alterations to rear existing opening to form double glazed French doors; installation of metal balustrades to new rear upper ground floor terrace; lowering of the existing lower ground floor to improve internal headroom; and widening of the lower ground floor window to front elevation)

  Granted Conditions Extension Windows or glazing 10 docs

• 36 Markham Street, London, SW3 3NR

  PP/26/01671 Submitted 4 Mar 2026 0m away

  Widening of the front entrance steps, installation of ASHP on the roof, installation of rainwater harvesting pipe to RWH tank (pipe to match existing), revised rooflight to access main roof (reduced from previously approved rooflight), addition of a safety handrail on rear facade parapet, following insertion of an additional window at GF level on rear facade to approved courtyard in relation to approved application PP/24/03555.

  Withdrawn Full applications Loft or dormer Windows or glazing 20 docs

• 50 Markham Street, London, SW3 3NR

  PP/24/06052 Submitted 9 Sep 2024 0m away

  Replace full width glazed sliding doors, windows and terrace to front of property with tiled mansard roof with two dormers; refurbishment and upgrade to front area and front elevation; replacement of all existing windows with double glazed, timber framed windows; lowering raised rear roof level; replacement rear glazed bay window with solid brick wall, with typical timber sash windows; alterations to rear addition, including replacement uPVC windows with timber sash windows; enlargement of existing lower ground floor and lowering garden to meet this level.

  Granted Full applications Loft or dormer Windows or glazing 35 docs

• 49 Markham Street, London, SW3 3NR

  PP/25/04956 Submitted 20 Aug 2025 5m away

  Partial side return extension at lower ground floor; alterations to rear existing opening to form double glazed French doors; installation of metal balustrades to new rear upper ground floor terrace; lowering of the existing lower ground floor to improve internal headroom; and widening of the lower ground floor window to front elevation

  Granted Full applications Extension Windows or glazing 22 docs

• 49 Markham Street, London, SW3 3NR

  PP/25/05189 Submitted 27 Aug 2025 5m away

  Adaptation and extension of rear canted bay into orthogonal bay, second floor infill extension.

  Granted Full applications Extension 22 docs

• 9 Markham Street, London, SW3 3NP

  CON/22/01584 Submitted 7 Mar 2022 26m away

  Details required by condition 6 (SuDS) of planning permission 21/00891 (Construction of rear lower ground floor extension, first floor rear closet extension and second floor mansard roof; alteration to fenestration at rear, upgrading windows at front using double glazed units to match existing and lowering of the first floor front elevation windows' sill levels)

  Granted Conditions Extension Loft or dormer +1 7 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