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Planning application

Flat 3 81 Duke Street London W1K 5PE

Granted Westminster 25/04738/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 air conditioning condenser units at roof level and associated alterations.

As published by the council, reference 25/04738/FULL

Application record

Reference
25/04738/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
9 Jul 2025
Validated
22 Jul 2025
Decided
3 Oct 2025
Ward
West End
Decision by
Delegated Decision
Postcode
W1K 5PE

Site history

Applications at this address on the Westminster register

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

  • 25/04596/LBC Granted

    Flat 3 81 Duke Street London W1K 5PE

    Internal alterations to the existing guest bathroom and library to create a new bedroom with an en-suite bathroom and creation of a new guest WC and cloaks cupboard.

    Decided 4 Nov 2025 Heritage and listed buildings

Timeline

Dates from the published record

  1. 9 Jul 2025

    Received by Westminster

  2. 22 Jul 2025

    Validated

    Checked as complete and ready for consideration.

  3. 3 Oct 2025

    Decision issued: Application Permitted

  4. 29 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Peek Architecture Ltd Agent, an architecture practice

75 applications on PlanIndex · across 6 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

30 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.

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What this grant of permission means

Westminster granted permission on 3 October 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 3 81 Duke Street London W1K 5PE

    25/04596/LBC Submitted 3 Jul 2025 50 yards away

    Internal alterations to the existing guest bathroom and library to create a new bedroom with an en-suite bathroom and creation of a new guest WC and cloaks cupboard.

    Granted Heritage and listed buildings 13 docs

  • 75 Duke Street London W1K 5PA

    25/06600/FULL Submitted 15 Sep 2025 50 yards away

    87% historically approved · decision due ~20 Nov

    Installation of new shopfronts; two condenser units and extract fan in rear basement lightwell and two full height extract ducts at rear (site includes 75 - 83a Duke Street) (Linked to 25/06601/LBC)

    Awaiting decision Full applications 116 docs

  • 75 Duke Street London W1K 5PA

    25/06601/LBC Submitted 15 Sep 2025 50 yards away

    90% historically approved · decision due ~20 Nov

    Internal alterations; installation of new shopfronts, plant equipment and ductwork. (Linked to 25/06600/FULL)

    Awaiting decision Heritage and listed buildings 110 docs

  • 78 Duke Street London W1K 6JG

    25/08653/ADFULL Submitted 26 Nov 2025 50 yards away

    87% historically approved · decision due ~21 Jan

    Details of ventilation system pursuant to condition 24 of planning permission dated 7th August 2020 (RN: 19/07063/FULL).

    Awaiting decision Full applications 1 doc

  • Lampost At Duke Street Brown Hart Gardens London W1K 5BQ

    07/00200/TELCOM Submitted 3 Jan 2007 50 yards away

    Erection of telecommunication equipment to lamp post outside Kings Weigh House Church.

    Decided Telecoms 3 docs

  • The Clergy House 21 Binney Street London W1K 5BQ

    06/07603/ADLBC Submitted 22 Sep 2006 50 yards away

    Sample at actual size of the finial details proposed pursuant to Condition 1 of listed building consent dated 01 September 2006 (RN: 06/04814).

    Granted Conditions 5 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