14 Mount Street London W1K 2RF

This site has had 2 applications since 2025.

• 25/06839/LBC Withdrawn

  14 Mount Street London W1K 2RF

  Installation of a small wall mounted air conditioning unit located on exterior wall within an enclosed lightwell at first floor level to 14-16 Mount Street. Linked with 25/06838/FULL

  Decided 9 Jul 2026 Heritage and listed buildings

1. 24 Sep 2025

   Received by Westminster

2. 9 Jul 2026

   Decision issued: Application Withdrawn

3. 14 Jul 2026

   Validated

   Checked as complete and ready for consideration.

4. 14 Sep 2026

   Added to PlanIndex

1 later application on the register refers to this one:

• 25/06839/LBC Withdrawn

  14 Mount Street London W1K 2RF

  Installation of a small wall mounted air conditioning unit located on exterior wall within an enclosed lightwell at first floor level to 14-16 Mount Street. Linked with 25/06838/FULL

  Decided 9 Jul 2026 Heritage and listed buildings

The applicant withdrew this application before Westminster decided it, and is free to submit a revised scheme at any time. 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.

• 14 Mount Street London W1K 2RF

  25/06839/LBC Submitted 24 Sep 2025 50 yards away

  Installation of a small wall mounted air conditioning unit located on exterior wall within an enclosed lightwell at first floor level to 14-16 Mount Street. Linked with 25/06838/FULL

  Withdrawn Heritage and listed buildings 8 docs

• Flat 1 11 Mount Street London W1K 2RB

  12/05083/LBC Submitted 11 May 2012 50 yards away

  Internal alterations at first floor level

  Granted Heritage and listed buildings 4 docs

• Basement And Ground Floor 12 Mount Street London W1K 2RD

  26/00990/FULL Submitted 17 Feb 2026 50 yards away

  88% historically approved · decision due ~14 Apr

  Retrospective consent for the installation of an external condenser unit at lower ground floor level in the front lightwell and internal alterations at lower ground floor level. [Linked to 26/00991/LBC]

  Awaiting decision Full applications 14 docs

• Basement And Ground Floor 12 Mount Street London W1K 2RD

  26/00991/LBC Submitted 17 Feb 2026 50 yards away

  90% historically approved · decision due ~14 Apr

  Retrospective consent for the installation of an external condenser unit at lower ground floor level in the front lightwell and internal alterations at lower ground floor level. [Linked to 26/00990/FULL]

  Awaiting decision Heritage and listed buildings 8 docs

• 11 Mount Street London W1K 2RB

  26/01869/FULL Submitted 23 Mar 2026 50 yards away

  88% historically approved · decision due ~10 Jun

  Installation of automatic opening fire vent at top floor of 11 Mount Street accommodation and fire exit stair core to residential apartments which occupy 1st floor to roof level. [Linked to 26/01651/LBC]

  Awaiting decision Full applications New dwelling 16 docs

• 11 Mount Street London W1K 2RB

  26/01651/LBC Submitted 13 Mar 2026 50 yards away

  90% historically approved · decision due ~10 Jun

  Installation of automatic opening fire vent at top floor of 11 Mount Street accommodation and fire exit stair core to residential apartments which occupy 1st floor to roof level. [Linked to 26/01869/FULL]

  Awaiting decision Heritage and listed buildings New dwelling 16 docs

• 26/06015/FULL Decided

  129 Saltram Crescent London W9 3JT

  Erection of a two-storey rear extension.

  Received 3 Sep, published by the council 11 Sep 2026 Full applications
• 26/05689/FULL Decided

  Flat 1 12 Bristol Gardens London W9 2JG

  Demolition of an existing conservatory at the rear at lower ground level and erection of single storey rear extension.

  Received 19 Aug, published by the council 14 Sep 2026 Full applications
• 26/07340/FULL Awaiting decision

  123 Victoria Street London SW1E 6DE

  Installation of a single-leaf glazed entrance door at ground level to the Victoria Street frontage

  Received 27 Oct, published by the council 30 Oct 2026 Full applications
• 26/07315/FULL Awaiting decision

  30 Inverness Terrace London W2 3JA

  Relocation of air conditioning units throughout to the lower ground floor lightwells within aluminium enclosure; replacement of all pipes with cast iron pipes; alteration to balconies including replacement of UPVC door with original door arrangement and replacement railing; reopening of previously infilled windows; replacement marble tiles at hallway of No.32 with Victorian floor tiles; replacement of all doors facing the communal staircase with the correct period style doors; removal of red clay tile leanto roof at first floor rear and the roof made good; removal of link bridges to the rear of the second floor and the rear of the third floor; and reopening of previously infilled windows to the stairs lobby at ground, first and second floor to No.30. (Linked with 26/07316/LBC)

  Received 26 Oct, published by the council 27 Oct 2026 Full applications
• 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