1 Montpelier Square London SW7 1JT

This site has had 2 applications since 2026.

• 26/03327/LBC Decided

  1 Montpelier Square London SW7 1JT

  Excavation of new basement; installation of kitchen extract to lower ground front elevation; installation of air conditioning unit within an acoustic enclosure beneath existing staircase within front lightwell; installation of new roof hatch; internal alterations including installation of secondary glazing, replacement of cornices and removal of a fireplace place surround.

  Submitted 20 May 2026 Heritage and listed buildings

1. 20 May 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. 28 Oct 2026

   Status changed to Decided

   Previously Pending.

Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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.

• 1 Montpelier Square London SW7 1JT

  26/03327/LBC Submitted 20 May 2026 50 yards away

  90% historically approved · decision due ~15 Jul

  Excavation of new basement; installation of kitchen extract to lower ground front elevation; installation of air conditioning unit within an acoustic enclosure beneath existing staircase within front lightwell; installation of new roof hatch; internal alterations including installation of secondary glazing, replacement of cornices and removal of a fireplace place surround.

  Decided Heritage and listed buildings Roofing Windows or glazing 27 docs

• 4 Montpelier Square London SW7 1JT

  22/05234/ADFULL Submitted 1 Aug 2022 50 yards away

  Details of Code of Construction Practice pursuant to Condition 3 of planning permission dated 28th August 2021 (RN:21/02324/FULL).

  Withdrawn Full applications 5 docs

• Centre Garden Montpelier Square London SW7 1JT

  26/00485/TPO Submitted 27 Jan 2026 50 yards away

  100% historically approved · decision due ~24 Mar

  see attached survey T1 London Plane tree prune back from adjacent elm by 2m & clear building T2 Amelanchier clear light to max of 1 m T 3 Scarlet Oak lift over path T 6 Birch tree lift over path T 7 Cherry clear sign T12 N Maple clear other trees by 1.5m T 14 Cherry prune to clear magnolia by 1.5 m T 16 Lime climbing inspection T 18 London Plane Crown lift lower canopy T 22 London Plane tree clear building if necessary T 25 London Plane tree clear building if necessary T 27 Horse Chestnut Crown lift off lower trees & shrubs T 41 London Plane London Plane tree clear building if necessary T 47 Cherry Clear light & clear canopies form adjacent trees T 49 Elm Prune from adj cherries max 1.5 T1 ,22,41 may not require pruning if sufficient clearance

  Awaiting decision Trees 5 docs

• 5 Montpelier Square London SW7 1JT

  26/01905/FULL Submitted 24 Mar 2026 50 yards away

  88% historically approved · decision due ~11 Jun

  Retention of existing rear extension and alterations, with the layout of the lower ground, ground and fourth floor that are departures from the approved planning permission dated 12th October 2006 (RN: 06/01827/FULL); and retention of rear roof terrace and associated balustrade. [Linked with 26/01906/LBC]

  Awaiting decision Full applications Extension 28 docs

• 5 Montpelier Square London SW7 1JT

  26/01906/LBC Submitted 24 Mar 2026 50 yards away

  90% historically approved · decision due ~11 Jun

  Retention of existing rear extension and alterations, with the layout of the lower ground, ground and fourth floor that are departures from the approved listed building consent dated 12th October 2006 (RN: 06/01828/LBC); and retention of rear roof terrace and associated balustrade. [Linked with 26/01905/FULL]

  Awaiting decision Heritage and listed buildings Extension 25 docs

• 32 Trevor Place London SW7 1LD

  26/05435/FULL Submitted 10 Aug 2026 50 yards away

  88% historically approved · decision due ~5 Oct

  Demolition of the existing rear timber-framed single-glazed conservatory, construction of a replacement flat-roof rear ground floor extension. Replacement of existing rear pitched glazed roof above the basement lightwell with a walkable flat glazed roof, and installation of full-height aluminium double doors opening directly onto the rear ground floor terrace/ flat glazed roof. Alteration and extension of rear fence. Installation of louvre screen to existing AC unit.

  Awaiting decision Full applications Extension Demolition +1
  Small domestic

• 26/07528/FULL Awaiting decision

  69 Eaton Place London SW1X 8DF

  Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

  Received 5 Nov, published by the council 6 Nov 2026 Full applications
• 26/05200/FULL Decided

  1 The Court House 165 Seymour Place London W1H 4PU

  Installation of waterproofing system to the existing lead flat roofs

  Received 3 Aug, published by the council 28 Aug 2026 Full applications
• 26/07521/FULL Awaiting decision

  Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

  Installation of one external condenser unit

  Received 4 Nov, published by the council 6 Nov 2026 Full applications
• 26/07508/FULL Awaiting decision

  Buckingham Palace The Mall London SW1A 1AA

  Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

  Received 4 Nov, published by the council 5 Nov 2026 Full applications
• 26/07472/FULL Awaiting decision

  Flat 3 82 New Cavendish Street London W1G 9TA

  Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

  Received 3 Nov, published by the council 6 Nov 2026 Full applications