Ground Floor 56 Harley Street London W1G 9QA

1. 31 Jan 2008

   Received by Westminster

2. 24 Jul 2008

   Validated

   Checked as complete and ready for consideration.

3. 5 Sep 2008

   Decision issued: Application Permitted

4. 29 Jul 2026

   Added to PlanIndex

Westminster granted permission on 5 September 2008, 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.

• 48 Harley Street London W1G 9QA

  04/08761/AD7 Submitted 5 Nov 2004 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let'/ 'for sale' board attached to the railings in front of the building at street level and measuring 0.6 x 0.45m.

  Granted Advertising 2 docs

• 44 Harley Street London W1G 9QA

  04/04996/LBC Submitted 30 Jun 2004 50 yards away

  Internal and external alterations in connection with use of the basement as a residential flat. Creation of new rear lightwell, associated staircase and railings.

  Granted Heritage and listed buildings 3 docs

• 44 Harley Street London W1G 9QA

  04/04424/FULL Submitted 10 Jun 2004 50 yards away

  External alterations in connection with change of use from dental technicians laboratory to provide two bedroom flat at basement level.

  Granted Full applications 9 docs

• 48 Harley Street London W1G 9QA

  04/03655/AD7 Submitted 12 May 2004 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6 x 0.45m.

  Granted Advertising 2 docs

• 48 Harley Street London W1G 9QA

  05/04265/AD7 Submitted 31 May 2005 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6m x 0.45m.

  Granted Advertising 2 docs

• 48 Harley Street London W1G 9QA

  03/08807/AD7 Submitted 14 Nov 2003 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6 x 0.45m.

  Granted Advertising 2 docs

• 26/05708/FULL Decided

  Flat 23 Imperial Court 55 - 56 Prince Albert Road London NW8 7PT

  Replacement of existing windows and louvres.

  Received 20 Aug, published by the council 18 Sep 2026 Full applications
• 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
• 26/07229/FULL Awaiting decision

  5 D'arblay Street London W1F 8DL

  Alterations to the existing fixed windows to form two openable sash windows. (Linked with 26/07230/ADV)

  Received 22 Oct, published by the council 26 Oct 2026 Full applications
• 26/07224/FULL Awaiting decision

  8 Hinde Street London W1U 3BQ

  Use of the building as an Embassy (sui generis) with reversion to Class E on cessation of occupation by the Government of the United Mexican States. Erection of a flagpole to front elevation.

  Received 22 Oct, published by the council 26 Oct 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