38-40 Windmill Street London W1T 2BE

This site has had 11 applications since 2023: 3 approved, 3 refused.

• 2025/4416/P At appeal

  38 - 40 Windmill Street London W1T 2BE

  Certificate of lawfulness (proposed) for strengthening works at fourth floor level.

  Submitted 15 Oct 2025 Lawful development
• 2025/4262/P At appeal

  38 - 40 Windmill Street London W1T 2BE

  Siting of a caravan compliant container, for use incidental to the lawful residential use, at the fourth floor.

  Submitted 15 Oct 2025 Lawful development
• 2025/1311/P Granted

  38 - 40 Windmill Street London W1T 2BE

  Proposed front extension at fourth and fifth floor levels and replacement of existing glazed balustrade at fourth floor level with metal balustrade.

  Decided 22 May 2025 Full applications
• 2025/0675/P Granted

  38-40 Windmill Street London W1T 2BE

  Certificate of lawfulness (proposed) for conversion of two flats into one residential unit.

  Decided 7 Mar 2025 Full applications
• 2024/3551/P Refused

  38-40 Windmill Street London W1T 2BE

  Siting of a caravan, as shown in the accompanying plans, for use incidental to the lawful residential use of the land, at the fourth floor.

  Decided 22 Oct 2024 Full applications
• 2024/3476/P Refused

  38-40 Windmill Street London W1T 2BE

  Siting of a shipping container, for use incidental to the lawful residential use of the land, at the fourth-floor level.

  Decided 22 Oct 2024 Full applications
• 2024/2186/INVALID Withdrawn

  38-40 Windmill Street London W1T 2BE

  Siting of a shipping container, for use incidental to the lawful residential use of the land, at the fourth-floor level.

  Decided 18 Dec 2024 Lawful development
• 2024/2187/INVALID Withdrawn

  38-40 Windmill Street London W1T 2BE

  Siting of a caravan for use, incidental to the lawful residential use of the land, at the fourth floor.

  Decided 18 Dec 2024 Lawful development
• 2023/3865/P Withdrawn

  38-40 Windmill Street London W1T 2BE

  Siting of a caravan for use, ancillary to the lawful residential use of the land, at the fourth floor

  Decided 28 Mar 2024 Full applications
• 2024/0862/P Refused

  38-40 Windmill Street London W1T 2BE

  Siting of a shipping container, for use incidental to the lawful residential use of the land, at the fourth-floor level.

  Decided 3 May 2024 Lawful development

1. 17 Nov 2023

   Received by Camden

2. 30 Nov 2023

   Validated

   Checked as complete and ready for consideration.

3. 12 Jan 2024

   Decision issued: Granted

4. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 12 January 2024, 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 lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 38 Windmill Street London W1T 2JX

  2012/4984/P 50 yards away

  Details of cycle storage required by condition 3 of planning permission 2010/5167/P dated 05/05/2011 for change of use of third floor offices (class B1a) and vacant first and second floors (Class B8) to create 6x two-bedroom flats (class C3), including rear extensions at first, second, third and fourth floors and associated external alterations.

  Granted Full applications New dwelling Extension

• 38-40 Windmill Street London W1T 2BE

  2023/3865/P 50 yards away

  Siting of a caravan for use, ancillary to the lawful residential use of the land, at the fourth floor

  Withdrawn Full applications

• 38 Windmill Street London W1T 2JX

  2013/4588/P 50 yards away

  Extensions to the front at fourth and fifth floor level including remodelling the existing elevations and reconfiguring the 2 flats (Class C3).

  Refused Full applications New dwelling Extension
  Several homes

• 38-40 Windmill Street London W1T 2BE

  2025/0675/P 50 yards away

  Certificate of lawfulness (proposed) for conversion of two flats into one residential unit.

  Granted Full applications New dwelling
  Several homes

• 38-40 Windmill Street London W1T 2BE

  2024/0862/P Submitted 11 Mar 2024 50 yards away

  Siting of a shipping container, for use incidental to the lawful residential use of the land, at the fourth-floor level.

  Refused Lawful development 45 docs

• Giordano Limited 38-40 Windmill Street London W1T 2JX

  2010/1146/P 50 yards away

  Replacement of a pane of glass in a window to the rear of the third floor in office use (Class B1) with brickwork to match the existing mixed use building (B8/B1/C3).

  Granted Full applications Windows or glazing

• 2026/3827/P Granted

  36 Leighton Grove London NW5 2QP

  Replacement of existing timber single-glazed sliding sash windows to front and rear elevations with matching timber heritage-style double-glazed sash windows, and replacement of existing timber front and side entrance doors with like-for-like timber doors.

  Received 1 Sep, published by the council 10 Sep 2026 Lawful development
• 2026/3047/P Granted

  35 Meadowbank London NW3 3AY

  Erection of a front porch.

  Received 21 Jul, published by the council 24 Jul 2026 Lawful development
• 2026/3053/P Granted

  18 Courthope Road London NW3 2LB

  Proposed alterations to rear doors on ground floor.

  Received 21 Jul, published by the council 24 Jul 2026 Lawful development
• 2026/3834/P Awaiting decision

  49 Maitland Park Road London NW3 2HA

  Enclosure of balcony area on front elevation at 1st floor level to provide habitable accommodation ancillary to the existing residential use of the dwellinghouse (Class C3).

  Received 14 Sep, published by the council 17 Sep 2026 Lawful development
• 2026/3983/P Awaiting decision

  Flat 3 3 Templewood Avenue London NW3 7UY

  Internal alterations to flats 1 and 3 including removal of internal walls

  Received 14 Sep, published by the council 17 Sep 2026 Lawful development