3 Mallord Street, London, SW3 6DT

1. 17 Nov 2025

   Received by Kensington and Chelsea

2. 12 Mar 2026

   Decision issued: Raise No Objection

3. 20 Jul 2026

   Added to PlanIndex

Kensington and Chelsea granted permission on 12 March 2026, 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.

The published feed does not state which type of application this is; the register entry on Kensington and Chelsea's portal will say. Our guide explains the common types.

• 5 Mallord Street, London, SW3 6DT

  PP/25/06165 Submitted 20 Oct 2025 28m away

  Provision of lightwell with flush grille over within front garden

  Granted Full applications 29 docs

• 13 Mallord Street, London, SW3 6DT

  LB/26/00538 Submitted 17 Dec 2025 28m away

  Installation of underfloor heating on the ground floor, first floor and second floor.?Replacement of the existing single-glazed units with double-glazed units to the rear window and door frames.?New doors to replace existing windows.?Introduction of Solar Panels and an Air Source Heat Pump (ASHP)?and air conditioning unit.

  Withdrawn Heritage and listed buildings Windows or glazing 12 docs

• 13 Mallord Street, London, SW3 6DT

  PP/26/00537 Submitted 17 Dec 2025 28m away

  Installation of underfloor heating on the ground floor, first floor and second floor.?Replacement of the existing single-glazed units with double-glazed units to the rear window and door frames.?New doors to replace existing windows.?Introduction of Solar Panels and an Air Source Heat Pump (ASHP)?and air conditioning unit.

  Withdrawn Full applications Windows or glazing 15 docs

• 37 Carlyle Square, London, SW3 6HA

  PP/25/06353 Submitted 22 Oct 2025 58m away

  Removal and rebuilding of chimney stacks on flank elevation at roof level only, due to a concern over the structural stability with internal alteration works

  Granted Full applications 40 docs

• 32 Mallord Street, London, SW3 6DU

  ARB/26/00480 Submitted 21 Nov 2025 59m away

  FELL 1x Common yew

  Granted 6 docs

• 22 Mallord Street, London, SW3 6DU

  PP/26/02186 Submitted 13 Apr 2026 59m away

  94% historically approved · decision due ~8 Jun

  Extension of existing basement, including the formation of rear lightwell with metal grille and installation of three flush paving lights at ground level

  Awaiting decision Full applications Extension 21 docs