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Planning application

70 Harley Street London W1G 7HF

Awaiting decision Westminster 26/00202/FULL Full Planning Permission Application

Works: Windows or glazing

Relates to 26/00203/LBC

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Alterations to fourth floor flat, works including replacement of windows with Slimlite double glazing windows; layout alterations; and associated works. (Linked with 26/00203/LBC)

As published by the council, reference 26/00202/FULL

Application record

Reference
26/00202/FULL
Type
Full Planning Permission Application
Status
Pending
Received
14 Jan 2026
Validated
2 Feb 2026
Ward
Marylebone
Postcode
W1G 7HF

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2026.

  • 26/00203/LBC Awaiting decision

    70 Harley Street London W1G 7HF

    Alterations to fourth floor flat, works including replacement of windows with Slimlite double glazing windows; replacement of fire doors; layout alterations; and associated works. (Linked to 26/00202/FULL)

    Submitted 14 Jan 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 14 Jan 2026

    Received by Westminster

  2. 2 Feb 2026

    Validated

    Checked as complete and ready for consideration.

  3. 20 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 30 March 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Westminster took a median of 66 days over the applications it decided in the last year.

Cases linked to this one on the register

  • 26/00203/LBC Awaiting decision

    70 Harley Street London W1G 7HF

    Alterations to fourth floor flat, works including replacement of windows with Slimlite double glazing windows; replacement of fire doors; layout alterations; and associated works. (Linked to 26/00202/FULL)

    Submitted 14 Jan 2026 Heritage and listed buildings

1 later application on the register refers to this one:

  • 26/00203/LBC Awaiting decision

    70 Harley Street London W1G 7HF

    Alterations to fourth floor flat, works including replacement of windows with Slimlite double glazing windows; replacement of fire doors; layout alterations; and associated works. (Linked to 26/00202/FULL)

    Submitted 14 Jan 2026 Heritage and listed buildings

Who's behind it

Company information only, from the register and Companies House

Howard de Walden Estates Limited Agent, a developer registered in London

Active · incorporated 1963 · London

35 applications on PlanIndex

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

21 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 happens while it is decided

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 91 days. More in our guide to how long planning decisions take.

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

  • 70 Harley Street London W1G 7HF

    26/00203/LBC Submitted 14 Jan 2026 50 yards away

    90% historically approved · decision due ~30 Mar

    Alterations to fourth floor flat, works including replacement of windows with Slimlite double glazing windows; replacement of fire doors; layout alterations; and associated works. (Linked to 26/00202/FULL)

    Awaiting decision Heritage and listed buildings Windows or glazing 18 docs

  • 72 Harley Street London W1G 7HG

    26/00216/LBC Submitted 15 Jan 2026 50 yards away

    Replacement of fire doors at lower ground, ground and first floors.

    Granted Heritage and listed buildings 9 docs

  • 72 Harley Street London W1G 7HG

    06/09775/ADLBC Submitted 6 Dec 2006 50 yards away

    Detailed drawings showing screening to the air-conditioning plant pursuant to Condition 2 of listed building consent dated 30 November 2006 (RN: 06/07893).

    Granted Conditions 5 docs

  • 72 Harley Street London W1G 7HG

    06/09774/ADFULL Submitted 6 Dec 2006 50 yards away

    Detailed drawings showing screening to the air-conditioning plant pursuant to Condition 3 of planning permission dated 30 November 2006 (RN: 06/07892).

    Granted Full applications 4 docs

  • 66 Harley Street London W1G 7HD

    25/09353/ADV Submitted 24 Dec 2025 50 yards away

    Display of two non-illuminated plaques measuring 0.3m x 0.4m.

    Decided Advertising 8 docs

  • 66 Harley Street London W1G 7HD

    26/03067/LBC Submitted 11 May 2026 50 yards away

    90% historically approved · decision due ~16 Jul

    Installation of two non-illuminated plaques, measuring 30cm x 20cm.

    Awaiting decision Heritage and listed buildings 8 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