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Planning application

Sentinel House 16 Harcourt Street London W1H 4AD

Granted Westminster 07/09566/CLEUD Certificate of Lawfulness (existing)

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Use of the sixth floor as offices (Class B1).

As published by the council, reference 07/09566/CLEUD

Application record

Reference
07/09566/CLEUD
Type
Certificate of Lawfulness (existing)
Status
Decided
Decision
Application Permitted
Received
2 Nov 2007
Validated
2 Nov 2007
Decided
13 Dec 2007
Ward
Bryanston And Dorset Square
Decision by
Delegated Decision
Postcode
W1H 4AD

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2006: 2 approved, 0 refused.

  • 06/04937/FULL Granted

    Sentinel House 16 Harcourt Street London W1H 4AD

    Retention of three air conditioning condenser units and installation of one emergency generator within an existing plant enclosure at sixth floor roof level.

    Decided 31 Aug 2006 Full applications

Timeline

Dates from the published record

  1. 2 Nov 2007

    Received by Westminster

  2. 13 Dec 2007

    Decision issued: Application Permitted

  3. 20 Aug 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

4 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

Open the documents

What this grant of permission means

Westminster granted permission on 13 December 2007, 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.

About lawful development applications

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.

Nearby applications

Within 500 metres

  • Sentinel House 16 Harcourt Street London W1H 4AD

    06/04937/FULL Submitted 22 Jun 2006 0m away

    Retention of three air conditioning condenser units and installation of one emergency generator within an existing plant enclosure at sixth floor roof level.

    Granted Full applications 8 docs

  • Sentinel House 193 - 197 Old Marylebone Road London W1H 4AD

    07/04848/TPO Submitted 30 May 2007 0m away

    1 x London Plane (T1) (Front): Prune back off building 2m clear.

    Granted Trees 1 doc

  • 12 - 14 Harcourt Street London W1H 4HD

    06/06031/ADFULL Submitted 28 Jul 2006 46m away

    Details of rolled lead roof to approved extension pursuant to Condition 4 of planning permission dated 08 June 2006 (RN: 06/00236).

    Granted Full applications Extension 2 docs

  • 12 - 14 Harcourt Street London W1H 4HD

    26/02158/ADV Submitted 31 Mar 2026 46m away

    85% historically approved · decision due ~26 May

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

    Awaiting decision Advertising 1 doc

  • 12 - 14 Harcourt Street London W1H 4HD

    26/02157/FULL Submitted 31 Mar 2026 46m away

    87% historically approved · decision due ~26 May

    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]

    Awaiting decision Full applications Extension 1 doc

  • 12 - 14 Harcourt Street London W1H 4HD

    06/00236/FULL Submitted 12 Jan 2006 46m away

    Extension of rear second and third floors to provide additional office space (Class B1) and creation of a terrace area to the rear and side of the first floor. Installation of three air conditioning units to the rear first floor level.

    Granted Full applications Extension 11 docs

In Westminster

  • 26/05871/CLEUD Awaiting decision

    32 Cambridge Street London SW1V 4QH

    Confirmation of the lawful implementation of planning permission dated 13 August 2021 (RN: 21/04143/FULL) has commenced before the expiry of the three year time period and may, therefore, lawfully be carried out and completed.

    27 Aug 2026 Lawful development
  • 26/05816/CLOPUD Awaiting decision

    124 - 126 Wardour Street London W1F 0TY

    Use of flats 1, 2 and 4 as three single dwellinghouses (Class C3).

    25 Aug 2026 Lawful development
  • 26/05786/CLOPUD Awaiting decision

    6 Grosvenor Street London W1K 4DJ

    Confirmation that the planning permission dated 31 July 2024 (RN: 23/08374/FULL) for the: Refurbishment and extension of existing Class E building to include the extension of the fifth floor, partial demolition and reconstruction of the sixth floor, erection of a new seventh floor with external terrace, alterations to the Avery Row and Grosvenor Street elevations to include new shopfronts, entrances and replacement windows, installation of green roof and photovoltaic panels at main roof level and installation of screened plant at seventh floor level. (SITE INCLUDES 4 GROSVENOR STREET), was lawfully implemented prior to the expiration date and that it is lawful to complete the outstanding works.

    24 Aug 2026 Lawful development
  • 26/05724/CLEUD Awaiting decision

    The Sky Bar Trocadero 13 Coventry Street London W1D 7DH

    Confirmation of the lawful implementation of planning permission dated 31 August 2023 (RN: 22/06174/FULL) has commenced before the expiry of the three year time period and may, therefore, lawfully be carried out and completed.

    20 Aug 2026 Lawful development
  • 26/05560/CLOPUD Awaiting decision

    3 Northumberland Place London W2 5BS

    Painting of the front facade of the building.

    14 Aug 2026 Lawful development