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Planning application

18 Upper Wimpole Street London W1G 6LX

Granted Westminster 09/07544/CLOPUD Certificate of Lawfulness (proposed)

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

Proposal

Use of the second, third and fourth floors as a maisonette (Class C3) and associated internal alterations.

As published by the council, reference 09/07544/CLOPUD

Application record

Reference
09/07544/CLOPUD
Type
Certificate of Lawfulness (proposed)
Status
Decided
Decision
Granted As published: Application Permitted
Received
17 Sep 2009
Validated
17 Sep 2009
Decided
6 Nov 2009
Ward
Marylebone High Street
Decision by
Delegated Decision
Postcode
W1G 6LX

Site history

Applications at this address on the Westminster register

This site has had 8 applications since 2005: 5 approved, 1 refused.

  • 21/02293/ADLBC Granted

    18 Upper Wimpole Street London W1G 6LX

    Details of new fanlight above entrance/new metalwork to stair balustrade/new decorative plasterwork, including cornices (to be based closely on late 18th century / Adam style designs)/ new chimneypieces pursuant to Condition 5 of listed building consent dated 25 November 2020 (RN: 20/04759/LBC).

    Decided 21 Apr 2021 Conditions
  • 12/09191/ADLBC Granted

    18 Upper Wimpole Street London W1G 6LX

    Approval of details pursuant to Condition 1 of listed building consent dated 21 June 2010 (RN: 10/03535), namely the submission of detailed drawings of all new doors, windows and decorative joinery or plasterwork including skirtings, balustrades, dados and cornicing.

    Decided 1 Oct 2012 Conditions
  • 12/09192/ADFULL Granted

    18 Upper Wimpole Street London W1G 6LX

    Approval of details pursuant to Condition 2 of planning permission dated 21 June 2010 (RN: 10/03534), namely the submission of details drawings to show all new windows and doors.

    Decided 1 Oct 2012 Full applications
  • 09/10438/LBC Granted

    18 Upper Wimpole Street London W1G 6LX

    Internal alterations at basement ground and first floor levels and external alterations including replacement windows to rear elevation and removal of rear extension at second floor level.

    Decided 16 Feb 2010 Heritage and listed buildings
  • 07/09824/LBC Withdrawn

    18 Upper Wimpole Street London W1G 6LX

    Internal alterations associated with the use of the property as a single family dwelling.

    Decided 24 Jan 2008 Heritage and listed buildings
  • 07/09823/FULL Withdrawn

    18 Upper Wimpole Street London W1G 6LX

    Use of ground and first floor of 18 Upper Wimpole Street as residential accommodation in connection with the use of the building as a single dwelling house. (Part of land use swap with 110 Harley Street).

    Decided 30 Apr 2008 Full applications
  • 05/01730/AD7 Refused

    18 Upper Wimpole Street London W1G 6LX

    Display for a temporary period of 6 months of a non-illuminated 'to let' board located on the face of the building at a height of between 3m and 4.6m above pavement level and measuring 1.2m x 0.9m.

    Decided 1 Apr 2005 Advertising

Timeline

Dates from the published record

  1. 17 Sep 2009

    Received by Westminster

  2. 6 Nov 2009

    Decision issued: Application Permitted

  3. 29 Jul 2026

    Added to PlanIndex

Documents

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

7 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Westminster granted permission on 6 November 2009, 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 0.3 miles

  • 18 Upper Wimpole Street London W1G 6LX

    07/09824/LBC Submitted 12 Nov 2007 50 yards away

    Internal alterations associated with the use of the property as a single family dwelling.

    Withdrawn Heritage and listed buildings 2 docs
    Domestic

  • 18 Upper Wimpole Street London W1G 6LX

    07/09823/FULL Submitted 12 Nov 2007 50 yards away

    Use of ground and first floor of 18 Upper Wimpole Street as residential accommodation in connection with the use of the building as a single dwelling house. (Part of land use swap with 110 Harley Street).

    Withdrawn Full applications 8 docs
    Domestic

  • 18 Upper Wimpole Street London W1G 6LX

    09/10438/LBC Submitted 22 Dec 2009 50 yards away

    Internal alterations at basement ground and first floor levels and external alterations including replacement windows to rear elevation and removal of rear extension at second floor level.

    Granted Heritage and listed buildings Extension Windows or glazing 3 docs

  • 18 Upper Wimpole Street London W1G 6LX

    12/09191/ADLBC Submitted 11 Sep 2012 50 yards away

    Approval of details pursuant to Condition 1 of listed building consent dated 21 June 2010 (RN: 10/03535), namely the submission of detailed drawings of all new doors, windows and decorative joinery or plasterwork including skirtings, balustrades, dados and cornicing.

    Granted Conditions Windows or glazing 3 docs

  • 18 Upper Wimpole Street London W1G 6LX

    12/09192/ADFULL Submitted 11 Sep 2012 50 yards away

    Approval of details pursuant to Condition 2 of planning permission dated 21 June 2010 (RN: 10/03534), namely the submission of details drawings to show all new windows and doors.

    Granted Full applications Windows or glazing 2 docs

  • 18 Upper Wimpole Street London W1G 6LX

    05/01730/AD7 Submitted 8 Mar 2005 50 yards away

    Display for a temporary period of 6 months of a non-illuminated 'to let' board located on the face of the building at a height of between 3m and 4.6m above pavement level and measuring 1.2m x 0.9m.

    Refused Advertising 3 docs

In Westminster

  • 26/06158/CLOPUD Awaiting decision

    2 Hamilton Gardens London NW8 9PT

    Erection of replacement, enlarged single storey ground floor rear extension.

    Received 9 Sep, published by the council 15 Sep 2026 Lawful development
  • 26/06080/CLEUD Awaiting decision

    91 Gloucester Place London W1U 6JG

    Certificate of lawfulness for an existing use or development to confirm that the development authorised by full planning permission ref. 22/08385/FULL & listed building consent (RN 22/08386/LBC) has lawfully commenced as a result of the works evidenced.

    Received 7 Sep, published by the council 14 Sep 2026 Lawful development
  • 26/06044/CLOPUD Awaiting decision

    9 Abinger Mews W9 3SP

    Proposed loft conversion with rear dormer and 3 front rooflights to existing mid-terraced house.

    Received 3 Sep, published by the council 11 Sep 2026 Lawful development
  • 26/06035/CLOPUD Awaiting decision

    30 Ashworth Road W9 1JY

    Erection of new garden retaining wall and erection of new garden timber fence to match the height of existing fence.

    Received 3 Sep, published by the council 11 Sep 2026 Lawful development
  • 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.

    Received 27 Aug, published by the council 4 Sep 2026 Lawful development