38 Lauderdale Mansions Lauderdale Road London W9 1NE

1. 2 Sep 2026

   Received by Westminster

2. 7 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 28 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Westminster took a median of 86 days over the applications it decided in the last year.

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 119 days. More in our guide to how long planning decisions take.

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.

• 18 Lauderdale Mansions Lauderdale Road London W9 1NE

  25/06060/FULL Submitted 26 Aug 2025 50 yards away

  Part demolition of existing water tank room; demolition of existing chimney; demolition of one of the rear roof slopes; extension of existing roof terrace to fill space of partially demolished communal water tank room, and demolished rear roof slope; introduction of new larger automated accessible rooflight roof terrace access; installation of double glazed windows.

  Granted Full applications Extension Loft or dormer +2 30 docs

• 21 Lauderdale Mansions Lauderdale Road London W9 1LX

  26/04501/TCA Submitted 6 Jul 2026 50 yards away

  100% historically approved · decision due ~31 Aug

  Ash Tree: Remove. Tree is infected with Inonotus hispidus fungus and has become dangerous (reason updated to Inonotus hispidus 09/07/2026)

  Awaiting decision Trees 6 docs

• 2 Ashworth Road W9 1JY

  26/03010/TCA Submitted 7 May 2026 50 yards away

  100% historically approved · decision due ~2 Jul

  Olive, Fig And Privet to remove to ground level. Elderberry and Privet to reduce by around 1.5m height

  Awaiting decision Trees 12 docs

• 12 Ashworth Road W9 1JY

  26/00279/FULL Submitted 19 Jan 2026 50 yards away

  Erection of a single storey garden room.

  Granted Full applications 13 docs
  Small domestic

• 4 Biddulph Road London W9 1JB

  25/07165/FULL Submitted 3 Oct 2025 50 yards away

  Variation of condition 1 of planning permission dated 5th June 2025 (RN 25/01845/FULL) for the Erection of rear extensions at ground and first floor levels, single storey side extension at ground floor level, and rear roof dormer; Excavation to extend existing basement level; installation of rooflights; Alterations to windows and doors; Creation of bin store to front garden; Landscaping works; and associated external alterations. NAMELY, amendments to the front and rear fenestration; new window to rear first floor; amendment to the dormer position; amendment to rooflights; extension of the rear gable end wall at ground and first floor levels; and a reduction of the side extension footprint to the front.

  Granted Full applications Extension Loft or dormer +1 18 docs
  Small domestic

• 4 Biddulph Road London W9 1JB

  25/08498/FULL Submitted 20 Nov 2025 50 yards away

  Erection of rear extensions at ground and first floor levels, single storey side extension at ground floor level, and rear roof dormer; Excavation to extend existing basement level with associated lightwells to front and rooflights to rear garden; installation of rooflights; Alterations to windows and doors; Creation of bin store to front garden; Landscaping works; provision of attenuation tank under part of front garden; and associated external alterations.

  Granted Full applications Extension Loft or dormer +1 35 docs
  Small domestic

• 26/05984/FULL Decided

  41 Sutherland Street London SW1V 4JX

  Replacement of front, side and rear windows with double glazed timber framed sash windows and replacement of a door with a double glazed timber framed door.

  Received 2 Sep, published by the council 11 Sep 2026 Full applications
• 26/06134/FULL Decided

  Flat 10H Hyde Park Mansions Cabbell Street London NW1 5BG

  Replacement of front and rear second floor level windows with slim-profile double-glazed panels, retaining the existing window and door frames.

  Received 8 Sep, published by the council 15 Sep 2026 Full applications
• 26/07258/FULL Awaiting decision

  16A Croxley Road London W9 3HL

  Installation of air to air heat pumps to offices and bedrooms.

  Received 22 Oct, published by the council 23 Oct 2026 Full applications
• 26/07193/FULL Awaiting decision

  98 Victoria Street London SW1E 5JL

  Shopfront alterations. (Linked with 26/07194/ADV)

  Received 21 Oct, published by the council 22 Oct 2026 Full applications
• 26/07187/FULL Awaiting decision

  Ground Floor Flat 151 Portnall Road London W9 3BN

  Erection of a single storey rear extension.

  Received 21 Oct, published by the council 22 Oct 2026 Full applications