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Planning application

20 Air Street London W1B 5AN

Granted Westminster 26/00273/FULL Full Planning Permission Application

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

Proposal

Installation of two rooftop condenser units.

As published by the council, reference 26/00273/FULL

Application record

Reference
26/00273/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
19 Jan 2026
Validated
11 Feb 2026
Decided
17 Apr 2026
Ward
West End
Decision by
Delegated Decision
Postcode
W1B 5AN

Site history

Applications at this address on the Westminster register

This site has had 3 applications since 2026: 3 approved, 0 refused.

  • 26/00274/LBC Granted

    20 Air Street London W1B 5AN

    Installation of two rooftop condenser units.

    Decided 17 Apr 2026 Heritage and listed buildings
  • 26/00013/FULL Granted

    20 Air Street London W1B 5AN

    Installation of new plant on the main roof of the building.

    Decided 10 Apr 2026 Full applications

Timeline

Dates from the published record

  1. 19 Jan 2026

    Received by Westminster

  2. 11 Feb 2026

    Validated

    Checked as complete and ready for consideration.

  3. 17 Apr 2026

    Decision issued: Application Permitted

  4. 21 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Stirling Planning Limited Agent, a planning consultancy registered in Whiteleaf

Active · incorporated 2024 · Whiteleaf

8 applications on PlanIndex · across 3 councils

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

23 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 17 April 2026, 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

  • 20 Sherwood Street London W1F 7ED

    20/04852/TCH Submitted 31 Jul 2020 50 yards away

    Use of an area of public highway for the placing of 13 tables, 26 chairs, 5 external heaters, 7 barrier and a waiter station in an area measuring 13.6m x 2.3m in connection with the existing ground use.

    Granted 13 docs

  • 20 Air Street London W1B 5AN

    26/00274/LBC Submitted 19 Jan 2026 50 yards away

    Installation of two rooftop condenser units.

    Granted Heritage and listed buildings 19 docs

  • 75 Brewer Street London W1F 9US

    26/03550/FULL Submitted 29 May 2026 50 yards away

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  • 75 Brewer Street London W1F 9US

    26/04211/ADV Submitted 25 Jun 2026 50 yards away

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  • Ground Floor 17 Air Street London W1B 5AF

    26/05138/FULL Submitted 30 Jul 2026 50 yards away

    87% historically approved · decision due ~30 Sep

    Installation of a new entrance door within the existing shopfront at ground floor level; a new door opening within the existing glazed shopfront and fitting a single, inward-opening, painted timber framed glazed entrance door.

    Awaiting decision Full applications Windows or glazing

  • Ground Floor 17 Air Street London W1B 5AF

    26/04977/ADV Submitted 24 Jul 2026 50 yards away

    84% historically approved · decision due ~29 Oct

    Display of externally illuminated projecting sign measuring 0.8m X 0.7m and externally illuminated fascia sign measuring 4.7m X 0.7m

    Withdrawn Advertising 10 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