Crofton House 1 New Cavendish Street London W1G 8US

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

• 25/07064/FULL 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 25/07065/LBC)

  Decided 13 Nov 2025 Full applications

1. 1 Oct 2025

   Received by Westminster

2. 13 Nov 2025

   Decision issued: Application Permitted

3. 21 Jul 2026

   Added to PlanIndex

• 25/07064/FULL 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 25/07065/LBC)

  Decided 13 Nov 2025 Full applications

1 later application on the register refers to this one:

• 25/07064/FULL 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 25/07065/LBC)

  Decided 13 Nov 2025 Full applications

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.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• Crofton House 1 New Cavendish Street London W1G 8US

  25/07064/FULL 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 25/07065/LBC)

  Granted Full applications Roofing Windows or glazing 25 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

  84% historically approved · decision due ~7 Jan

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

  Awaiting decision Advertising 9 docs

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

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

  84% 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

  87% historically approved · decision due ~2 Jan

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

  Awaiting decision Full applications 13 docs

• 26/04878/LBC Decided

  34 Grosvenor Street London W1K 4QU

  Internal works to facilitate the subdivision of 34 Grosvenor Street and 3 Three Kings Yard

  Received 21 Jul, published by the council 1 Aug 2026 Heritage and listed buildings
• 26/06299/LBC Awaiting decision

  Apartment 33 24 Park Crescent London W1B 1AA

  Alterations to internal partitions, door openings, doors and floor finishes.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06305/LBC Awaiting decision

  33A Dean Street London W1D 4PP

  Installation of new concrete slab with drainage channels at basement level and new fire surround in B.01.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06318/LBC Awaiting decision

  124 Hamilton Terrace London NW8 9UT

  Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06317/FULL)

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/04141/LBC Decided

  80E Randolph Avenue London W9 1BG

  Replacement of sashes in two front windows at 2nd floor level and one rear window with slimline double glazed timber sashes. (Linked with 26/04142/FULL)

  Received 23 Jun, published by the council 21 Jul 2026 Heritage and listed buildings