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 61 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 85 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 0m 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 0m 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 17m 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 17m 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 24m 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 24m away

  Conversion of garage into habitable room and installation of window.

  Decided Heritage and listed buildings Windows or glazing 9 docs

• 26/06024/FULL Awaiting decision

  House Of Commons Palace Of Westminster Parliament Square London SW1A 0AA

  Installation of new and replacement electronic equipment within Speaker. (Linked with 26/06025/LBC)

  3 Sep 2026 Full applications
• 26/06017/FULL Awaiting decision

  38 Lauderdale Mansions Lauderdale Road London W9 1NE

  Installation of an external AC Unit / Heat Pump at roof level.

  2 Sep 2026 Full applications
• 26/05938/FULL Awaiting decision

  24 Vincent Square London SW1P 2NJ

  Subdivision of existing residential property to create two self-contained 3-bedroom family homes, along with cycle parking and associated external alterations.

  1 Sep 2026 Full applications
• 26/05935/FULL Awaiting decision

  47 Hereford Road London W2 5AH

  Installation of one number new external condenser unit to the southerly elevation service alley.

  1 Sep 2026 Full applications
• 26/05959/FULL Awaiting decision

  Basement And Ground Floor 50 New Bond Street London W1S 1BJ

  Installation of three new condensers on the roof, within an existing designated plant area.

  1 Sep 2026 Full applications