Crofton House 1 New Cavendish Street London W1G 8US

This site has had 2 applications since 2025: 2 approved, 0 refused.

• 25/07065/LBC Granted

  Crofton House 1 New Cavendish Street London W1G 8US

  Refurbishment works to flat 7 the existing flat including formation of new kitchen and bathroom including removal of section of internal partition, replacing existing non-original internal doors, secondary glazing to existing windows and refurbishment of existing windows, installation of new heating system and new joinery. Installation of new insulated roof covering to existing roof. (Linked to 25/07064/FULL)

  Decided 13 Nov 2025 Heritage and listed buildings

1. 1 Oct 2025

   Received by Westminster

2. 13 Nov 2025

   Decision issued: Application Permitted

3. 21 Jul 2026

   Added to PlanIndex

• 25/07065/LBC Granted

  Crofton House 1 New Cavendish Street London W1G 8US

  Refurbishment works to flat 7 the existing flat including formation of new kitchen and bathroom including removal of section of internal partition, replacing existing non-original internal doors, secondary glazing to existing windows and refurbishment of existing windows, installation of new heating system and new joinery. Installation of new insulated roof covering to existing roof. (Linked to 25/07064/FULL)

  Decided 13 Nov 2025 Heritage and listed buildings

1 later application on the register refers to this one:

• 25/07065/LBC Granted

  Crofton House 1 New Cavendish Street London W1G 8US

  Refurbishment works to flat 7 the existing flat including formation of new kitchen and bathroom including removal of section of internal partition, replacing existing non-original internal doors, secondary glazing to existing windows and refurbishment of existing windows, installation of new heating system and new joinery. Installation of new insulated roof covering to existing roof. (Linked to 25/07064/FULL)

  Decided 13 Nov 2025 Heritage and listed buildings

Westminster granted permission on 13 November 2025, 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.

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.

• Crofton House 1 New Cavendish Street London W1G 8US

  25/07065/LBC Submitted 1 Oct 2025 50 yards away

  Refurbishment works to flat 7 the existing flat including formation of new kitchen and bathroom including removal of section of internal partition, replacing existing non-original internal doors, secondary glazing to existing windows and refurbishment of existing windows, installation of new heating system and new joinery. Installation of new insulated roof covering to existing roof. (Linked to 25/07064/FULL)

  Granted Heritage and listed buildings Roofing Windows or glazing 20 docs

• Flat 7 Crofton House 1 New Cavendish Street London W1G 8US

  26/00794/LBC Submitted 10 Feb 2026 50 yards away

  Internal alterations including blocking up of an existing opening to accommodate two distinct bathrooms.

  Granted Heritage and listed buildings 12 docs

• 8 Marylebone High Street London W1U 4NN

  25/08757/ADV Submitted 2 Dec 2025 50 yards away

  Display of one internally illuminated projecting sign measuring 0.45m x 0.85m.

  Granted Advertising 10 docs

• 8 Marylebone High Street London W1U 4NN

  25/08120/ADV Submitted 7 Nov 2025 50 yards away

  Display of non illuminated hoarding sign measuring 4.14m x 7.02m for a temporary period from 31st December 2025 until 30th June 2026.

  Granted Advertising 12 docs

• 9 - 9A Marylebone High Street London W1U 4NW

  26/02440/ADV Submitted 14 Apr 2026 50 yards away

  82% historically approved · decision due ~9 Jun

  Display of a non-illuminated banner measuring 2m x 9m suspended on catenary wires at two locations along Marylebone High Street for a temporary period from 21 May 2026 to 15 June 2026.

  Awaiting decision Advertising 5 docs

• 1 Marylebone Street London W1G 8JA

  25/08142/FULL Submitted 7 Nov 2025 50 yards away

  Installation of an air source heat pump within the external courtyard at rear lower ground floor level.

  Granted Full applications 19 docs

• 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