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• 2024/2186/INVALID Withdrawn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
• 2023/3865/P Withdrawn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
• 2023/4907/P Granted

  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 12 Jan 2024 Lawful development

1. 25 May 2024

   Received by Camden

2. 18 Dec 2024

   Decision issued: Withdrawn Decision

3. 7 Feb 2025

   Validated

   Checked as complete and ready for consideration.

4. 22 Jul 2026

   Added to PlanIndex

The applicant withdrew this application before Camden 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 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 0m 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

  2023/4907/P Submitted 17 Nov 2023 0m away

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

  Granted Lawful development 3 docs

• 38-40 Windmill Street London W1T 2BE

  2023/3865/P 0m 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 0m 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 0m 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 0m 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

• 2026/3669/P Awaiting decision

  64 Westcroft Close London NW2 2RR

  Demolition of existing conservatory and erection of a single storey rear extension.

  26 Aug 2026 Lawful development
• 2026/3405/P Granted

  Flat A and Flat B 23 Ravenshaw Street London NW6 1NP

  Amalgamation of Flat 23A and Flat 23B to form one dwellinghouse (Use Class C3), including, insofar as required, the change of use of Flat 23B from a small house in multiple occupation (Use Class C4) to a dwellinghouse (Use Class C3), together with removal of an internal blockwork partition wall.

  3 Aug 2026 Lawful development
• 2026/3591/P Awaiting decision

  22 Ulysses Road London NW6 1EE

  Erection of an outbuilding within rear garden.

  21 Aug 2026 Lawful development
• 2026/3566/P Awaiting decision

  41 & 43 King Henry's Road London NW3 3QR

  Subdivision and use of the buildings as two separate residential dwellings.

  19 Aug 2026 Lawful development
• 2026/3527/P Awaiting decision

  303 Flat Ground Floor Rear Studio West End Lane London Camden NW6 1RD

  Use of ground floor studio flat as single dwelling unit (Class C3)

  18 Aug 2026 Lawful development