25/08187/CLEUD

1. 10 Nov 2025

   Received by Westminster

2. 20 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

This application is with Westminster for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

• 26/02158/ADV Awaiting decision

  12 - 14 Harcourt Street London W1H 4HD

  Display of two non-illuminated fascia signs measuring 0.31m x 1.98m and 0.46m x 3m. [Linked to 26/02157/FULL]

  31 Mar 2026 8m away Advertising
• 26/02157/FULL Awaiting decision

  12 - 14 Harcourt Street London W1H 4HD

  Extension of and improvements to the existing ground floor terrace to the rear, modification to entrances, installation of security access gate, other associated external works and the installation of new signage. [Linked to 26/02158/ADV]

  31 Mar 2026 8m away Full applications
• 26/02785/LBC Awaiting decision

  6 - 11 Harcourt Street London W1H 4AG

  Upgrading of Fire doors and creation of fire separating lobbies between different use classes.

  27 Apr 2026 28m away Heritage and listed buildings
• 25/09180/LBC Granted

  6 - 11 Harcourt Street London W1H 4AG

  Internal alterations.

  18 Dec 2025 34m away Heritage and listed buildings
• 22/04883/ADFULL Granted

  Development Site At Former Westcourt House Old Marylebone Road London

  Detailed drawings of approved windows pursuant to condition 7 part (i) of planning permission granted at appeal dated 17th December 2019 (RN: 17/04194/FULL).

  19 Jul 2022 44m away Full applications
• 25/06995/FULL Awaiting decision

  5 Harcourt Street London W1H 4HA

  Restoration of the front lightwell including new railings; metal stair to basement; gates; doors; tiling and partition walls (Linked with 25/06996/LBC)

  29 Sep 2025 50m away Full applications

• 26/04958/CLEUD Awaiting decision

  1 Sussex Square London W2 2SJ

  Use of a building as mixed use as C3 (single residential dwelling) and C1 (short-stay accommodation)

  24 Jul 2026 Lawful development
• 26/04971/CLOPUD Awaiting decision

  Flat 23 192 Emery Hill Street London SW1P 1PN

  Replacement of the existing single-glazed moving window sashes, casement panels, and balcony door leaves with slimline double-glazed timber units. The existing outer timber frames fixed into the building will be retained and will not be removed or altered. The replacement units will match the existing windows in material, design, glazing bar pattern, opening method, dimensions, and external appearance. No alterations are proposed to the building structure, external walls, openings, or window frame sizes. No new access, alterations to existing access, new streets, hardstandings, means of enclosure, or drainage works are proposed. The precise location and details of the replacement windows are shown on the accompanying drawings.

  24 Jul 2026 Lawful development
• 26/04832/CLEUD Awaiting decision

  Basement Flat 117 Kilburn Park Road London NW6 5LB

  Use or Development in respect of the detached single-storey outbuilding within the rear garden of the applicants property.

  20 Jul 2026 Lawful development
• 26/04856/CLOPUD Awaiting decision

  Flat 15 192 Emery Hill Street London SW1P 1PN

  Replacement of the existing single-glazed moving sashes, casement panels, and balcony door leafs with slimline double glazed timber units within the fully retained existing external timber frames.

  20 Jul 2026 Lawful development
• 26/04632/CLOPUD Awaiting decision

  165 Oliphant Street London W10 4EA

  Installation of solar panels to generate clean, renewable energy from sunlight and reduce reliance on grid electricity and fossil fuels.

  10 Jul 2026 Lawful development