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Planning application

Flat 2 19 Upper Wimpole Street London W1G 6LY

Granted Westminster 25/06204/FULL Full Planning Permission Application

Works: Windows or glazing

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

Proposal

Installation of a new slim double-glazed timber window, painted white within the existing retained window frame fronting the internal courtyard.

As published by the council, reference 25/06204/FULL

Application record

Reference
25/06204/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
1 Sep 2025
Validated
21 Sep 2025
Decided
7 Nov 2025
Ward
Marylebone
Decision by
Delegated Decision
Postcode
W1G 6LY

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2025: 2 approved, 0 refused.

  • 25/06205/LBC Granted

    Flat 2 19 Upper Wimpole Street London W1G 6LY

    Installation of a new slim double-glazed timber window, painted white within the existing retained window frame fronting the internal courtyard. (Linked to 25/06204/FULL)

    Decided 7 Nov 2025 Heritage and listed buildings

Timeline

Dates from the published record

  1. 1 Sep 2025

    Received by Westminster

  2. 21 Sep 2025

    Validated

    Checked as complete and ready for consideration.

  3. 7 Nov 2025

    Decision issued: Application Permitted

  4. 21 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 25/06205/LBC Granted

    Flat 2 19 Upper Wimpole Street London W1G 6LY

    Installation of a new slim double-glazed timber window, painted white within the existing retained window frame fronting the internal courtyard. (Linked to 25/06204/FULL)

    Decided 7 Nov 2025 Heritage and listed buildings

Who's behind it

Company information only, from the register and Companies House

Design Extension Agent, a design practice registered in Purley

Active · incorporated 2025 · Purley

125 applications on PlanIndex · across 24 councils · 76% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

20 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.

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Open the documents

What this grant of permission means

Westminster granted permission on 7 November 2025, 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 full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • Flat 2 19 Upper Wimpole Street London W1G 6LY

    25/06205/LBC Submitted 1 Sep 2025 50 yards away

    Installation of a new slim double-glazed timber window, painted white within the existing retained window frame fronting the internal courtyard. (Linked to 25/06204/FULL)

    Granted Heritage and listed buildings Windows or glazing 17 docs
  • 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

    09/07544/CLOPUD Submitted 17 Sep 2009 50 yards away

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

    Granted Lawful development 7 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

In Westminster

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront with Medication Dispensing Outlet.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06297/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06294/FULL Awaiting decision

    15 Eaton Mews South London SW1W 9HP

    Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06317/FULL Awaiting decision

    124 Hamilton Terrace London NW8 9UT

    Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06273/FULL Awaiting decision

    9A Grosvenor Square London W1K 5AE

    Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

    Received 14 Sep, published by the council 22 Sep 2026 Full applications