38 Montpelier Street London SW7 1HD

This site has had 2 applications since 2026.

• 26/05227/LBC Awaiting decision

  38 Montpelier Street London SW7 1HD

  Erection of rear extensions at lower ground and ground floor levels; rear elevation alterations, including matching brickwork and restrained contemporary elements; rear garden and lightwell works, including new external metal staircases and glass guarding; selected rear window and external door changes, including traditional painted timber sash windows and Crittall-style external doors; level rationalisation within the rear closet wing and half-landing areas; necessary internal partitions and sanitary accommodation layouts; repair of retained historic fabric and associated local making good; and removal of clearly non-original fittings, finishes and altered elements where required. (Linked with 26/05226/FULL)

  Submitted 3 Aug 2026 Heritage and listed buildings

1. 3 Aug 2026

   Received by Westminster

2. 9 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 28 September 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.

• 26/05227/LBC Awaiting decision

  38 Montpelier Street London SW7 1HD

  Erection of rear extensions at lower ground and ground floor levels; rear elevation alterations, including matching brickwork and restrained contemporary elements; rear garden and lightwell works, including new external metal staircases and glass guarding; selected rear window and external door changes, including traditional painted timber sash windows and Crittall-style external doors; level rationalisation within the rear closet wing and half-landing areas; necessary internal partitions and sanitary accommodation layouts; repair of retained historic fabric and associated local making good; and removal of clearly non-original fittings, finishes and altered elements where required. (Linked with 26/05226/FULL)

  Submitted 3 Aug 2026 Heritage and listed buildings

1 later application on the register refers to this one:

• 26/05227/LBC Awaiting decision

  38 Montpelier Street London SW7 1HD

  Erection of rear extensions at lower ground and ground floor levels; rear elevation alterations, including matching brickwork and restrained contemporary elements; rear garden and lightwell works, including new external metal staircases and glass guarding; selected rear window and external door changes, including traditional painted timber sash windows and Crittall-style external doors; level rationalisation within the rear closet wing and half-landing areas; necessary internal partitions and sanitary accommodation layouts; repair of retained historic fabric and associated local making good; and removal of clearly non-original fittings, finishes and altered elements where required. (Linked with 26/05226/FULL)

  Submitted 3 Aug 2026 Heritage and listed buildings

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.

• 38 Montpelier Street London SW7 1HD

  26/05227/LBC Submitted 3 Aug 2026 50 yards away

  90% historically approved · decision due ~28 Sep

  Erection of rear extensions at lower ground and ground floor levels; rear elevation alterations, including matching brickwork and restrained contemporary elements; rear garden and lightwell works, including new external metal staircases and glass guarding; selected rear window and external door changes, including traditional painted timber sash windows and Crittall-style external doors; level rationalisation within the rear closet wing and half-landing areas; necessary internal partitions and sanitary accommodation layouts; repair of retained historic fabric and associated local making good; and removal of clearly non-original fittings, finishes and altered elements where required. (Linked with 26/05226/FULL)

  Awaiting decision Heritage and listed buildings Extension Windows or glazing

• 36 Montpelier Street London SW7 1HD

  26/00407/TCA Submitted 23 Jan 2026 50 yards away

  G1 2 x Olive : Reduce by height by around 30-40% (3-4m) and scale remaining crowns to shape and contain.

  Granted Trees 7 docs

• 24 Montpelier Street London SW7 1HD

  25/07341/FULL Submitted 10 Oct 2025 50 yards away

  Construction of mansard roof extension, replacement of staircase and vault door to front lightwell.

  Granted Full applications Extension Loft or dormer 30 docs

• 24 Montpelier Street London SW7 1HD

  25/07342/LBC Submitted 10 Oct 2025 50 yards away

  Construction of mansard roof extension, replacement of staircase and vault door to front lightwell; internal alterations to third floor.

  Granted Heritage and listed buildings Extension Loft or dormer 27 docs

• 1 Montpelier Mews London SW7 1HB

  06/09472/FULL Submitted 27 Nov 2006 50 yards away

  Demolition of Nos. 1 and 2 Montpelier Mews. Erection of two new mews buildings comprising lower ground, ground, first and second floors in connection with their use as single family dwelling houses.

  Granted Full applications Demolition 20 docs
  Domestic

• 12 Montpelier Mews London SW7 1HB

  13/03550/CAC Submitted 18 Apr 2013 50 yards away

  Conversion of garage into habitable room and installation of window.

  Decided Heritage and listed buildings Windows or glazing 9 docs

• 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