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Planning application

Pegasus House 37 - 43 Sackville Street London W1S 3EH

Granted Westminster 26/00819/ADFULL Approval of Details (Full PP)

Works: Windows or glazing

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

Proposal

Details of facing materials (windows and secondary glazing) pursuant to Condition 5 of planning permission dated 22 September 2021 (RN: 20/07605/FULL)

As published by the council, reference 26/00819/ADFULL

Application record

Reference
26/00819/ADFULL
Type
Approval of Details (Full PP)
Status
Decided
Decision
Granted As published: Application Permitted
Received
11 Feb 2026
Validated
11 Feb 2026
Decided
31 Mar 2026
Ward
West End
Decision by
Delegated Decision
Postcode
W1S 3EH

Site history

Applications at this address on the Westminster register

This site has had 39 applications since 2025: 22 approved, 0 refused.

  • 26/03619/ADFULL Awaiting decision

    Pegasus House 37 - 43 Sackville Street London W1S 3EH

    Details of servicing management plan pursuant to condition 17 of planning permission dated 19 August 2021 (RN: 20/07605/FULL)

    Submitted 3 Jun 2026 Full applications
  • 26/02535/ADFULL Awaiting decision

    Pegasus House 37 - 43 Sackville Street London W1S 3EH

    Details of design elements for external signage to residential and commercial entrances pursuant to condition 7 (partial) of planning permission dated 19 August 2021 (RN: 20/07605/FULL) [Linked to 26/02617/ADLBC].

    Submitted 17 Apr 2026 Full applications
  • 26/02617/ADLBC Awaiting decision

    Pegasus House 37 - 43 Sackville Street London W1S 3EH

    Details of design elements for external signage to residential and commerial entrances pursuant to condition 5 (partial) of listed building consent dated 12 January 2023 (RN: 22/07005/LBC) [Linked to 26/02535/ADFULL].

    Submitted 17 Apr 2026 Conditions
  • 26/01703/ADLBC Awaiting decision

    Pegasus House 37 - 43 Sackville Street London W1S 3EH

    Detailed drawings of new facades - typical details at all levels including roof level plant and shopfronts pursuant to condition 7 of planning permission dated 21st September 2021 (RN 20/07605/FULL) (Linked to 26/01596/ADFULL)

    Submitted 11 Mar 2026 Conditions
  • 26/01596/ADFULL Awaiting decision

    Pegasus House 37 - 43 Sackville Street London W1S 3EH

    Detailed drawings of new facades - typical details at all levels including roof level plant and shopfronts pursuant to condition 7 of planning permission dated 21st September 2021 (RN 20/07605/FULL) (Linked to 26/01703/ADLBC)

    Submitted 11 Mar 2026 Full applications
  • 26/01323/ADFULL Awaiting decision

    Pegasus House 37 - 43 Sackville Street London W1S 3EH

    Details of new facades and shopfronts pursuant to Condition 7 of planning permission dated 21 September 2021 (RN: 20/07605/FULL)

    Submitted 3 Mar 2026 Full applications
  • 26/01523/ADLBC Awaiting decision

    Pegasus House 37 - 43 Sackville Street London W1S 3EH

    Details of new facades and shopfronts pursuant to Condition 5 of listed building consent dated 13 January 2023 (RN: 22/07005/LBC)

    Submitted 3 Mar 2026 Conditions
  • 26/01926/ADLBC Awaiting decision

    Pegasus House 37 - 43 Sackville Street London W1S 3EH

    Details of new facades and shopfronts on the Piccadilly façade, Sackville Street Façade (southern end), Albany facades and Nuffield House north façades pursuant to Condition 5 (Part A) of listed buildling consent dated 13 January 2023 (RN: 22/07005/LBC)

    Submitted 25 Feb 2026 Conditions
  • 26/01183/ADFULL Awaiting decision

    Pegasus House 37 - 43 Sackville Street London W1S 3EH

    Details of new facades and shopfronts on the Piccadilly façade, Sackville Street Façade (southern end), Albany facades and Nuffield House north façade. pursuant to Condition 7 (Part A) of planning permission dated 08 September 2021 (RN: 20/07605/FULL)

    Submitted 25 Feb 2026 Full applications
  • 26/00817/ADFULL Awaiting decision

    Pegasus House 37 - 43 Sackville Street London W1S 3EH

    Details of new facades - typical details at all levels including roof level plant pursuant to condition 7 (part a) of planning permission dated 22 September 20221 (RN: 20/07605/FULL)

    Submitted 11 Feb 2026 Full applications

Timeline

Dates from the published record

  1. 11 Feb 2026

    Received by Westminster

  2. 31 Mar 2026

    Decision issued: Application Permitted

  3. 21 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Newmark LLP Agent

921 applications on PlanIndex · across 40 councils · 97% granted

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

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Documents

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

11 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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What this grant of permission means

Westminster granted permission on 31 March 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

  • Pegasus House 37 - 43 Sackville Street London W1S 3EH

    25/05906/ADFULL Submitted 20 Aug 2025 50 yards away

    87% historically approved · decision due ~15 Oct

    Details of Shopfronts pursuant to condition 7 (b) of planning permission dated 22nd september 2021 (RN:20/07605). Linked with 25/06144/ADLBC

    Awaiting decision Full applications 13 docs

  • Pegasus House 37 - 43 Sackville Street London W1S 3EH

    25/08135/ADFULL Submitted 7 Nov 2025 50 yards away

    87% historically approved · decision due ~2 Jan

    Detailed drawings of the New facades typical details at all levels including roof level plant and Shopfronts pursuant to condition 7a, b of planning permission dated 21st September 2021 (RN 20/07605/FULL) (Linked to 25/08364/ADLBC)

    Awaiting decision Full applications 36 docs

  • Pegasus House 37 - 43 Sackville Street London W1S 3EH

    26/00817/ADFULL Submitted 11 Feb 2026 50 yards away

    87% historically approved · decision due ~8 Apr

    Details of new facades - typical details at all levels including roof level plant pursuant to condition 7 (part a) of planning permission dated 22 September 20221 (RN: 20/07605/FULL)

    Awaiting decision Full applications 6 docs

  • Pegasus House 37 - 43 Sackville Street London W1S 3EH

    26/00818/ADFULL Submitted 11 Feb 2026 50 yards away

    87% historically approved · decision due ~8 Apr

    Details of facing materials (balustrade details) pursuant to condition 5 of planning permission dated 22 September 2021 (RN:20/07605/FULL)

    Awaiting decision Full applications 2 docs

  • Pegasus House 37 - 43 Sackville Street London W1S 3EH

    26/01323/ADFULL Submitted 3 Mar 2026 50 yards away

    87% historically approved · decision due ~28 Apr

    Details of new facades and shopfronts pursuant to Condition 7 of planning permission dated 21 September 2021 (RN: 20/07605/FULL)

    Awaiting decision Full applications 9 docs

  • Pegasus House 37 - 43 Sackville Street London W1S 3EH

    26/00816/ADFULL Submitted 11 Feb 2026 50 yards away

    Details of proposed timber windows for the retained facades pursuant to condition 7 (part) of planning permission dated 22 September 2021 (RN: 20/07605/FULL)

    Granted Full applications Windows or glazing 26 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