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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

78 applications on PlanIndex · across 6 councils · 72% 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.

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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

    26/07212/ADLBC Submitted 21 Oct 2026 50 yards away

    89% historically approved · decision due ~16 Dec

    Detailed drawings of the specifications of all new shopfront glazing pursuant to condition 4 (ii)of listed building dated 1st October 2026 (RN:25/06601/LBC)

    Awaiting decision Windows or glazing
  • 75 Duke Street London W1K 5PA

    26/07213/ADLBC Submitted 21 Oct 2026 50 yards away

    89% historically approved · decision due ~16 Dec

    Detailed drawings of all new doors at 1:10 including sections pursuant to condition 4 part (iii) of listed building consent dated 01 October 2026 (RN 25/06601/LBC)

    Awaiting decision
  • 75 Duke Street London W1K 5PA

    26/07216/ADLBC Submitted 21 Oct 2026 50 yards away

    89% historically approved · decision due ~16 Dec

    Detailed drawings of internal elevations of the new openings formed between 81- 83 which must demonstrate that suitable downstands will be retained pursuant to part conditions 4 (vii) of listed building consent dated 01st October 2026 (RN 25/06601/LBC)

    Awaiting decision
  • 75 Duke Street London W1K 5PA

    26/07211/ADLBC Submitted 21 Oct 2026 50 yards away

    89% historically approved · decision due ~16 Dec

    Detailed drawings of the details of new chimney pieces pursuant to condition 4 (i) of listed building dated 1st October 2026 (RN:25/06601/LBC)

    Decided
  • 75 Duke Street London W1K 5PA

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

    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)

    Decided Full applications 116 docs

In Westminster

  • 26/07508/FULL Awaiting decision

    Buckingham Palace The Mall London SW1A 1AA

    Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

    Received 4 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07460/FULL Awaiting decision

    1 Hanover Square London W1S 1HA

    Installation of new public art sculptures and seating; hard and soft landscaping; installation of an area of raised terrace decking on St George Street measuring 43m x 2.6m for the placing of tables, chairs and banquette benches in connection with restaurant use; and associated external alterations and enabling works.

    Received 3 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07451/FULL Awaiting decision

    Flat 1 31 South Audley Street London W1K 2PG

    Replacement of windows, Installation of an external condenser to the rear elevation including Internal refurbishment. (linked with 26/07452/LBC)

    Received 2 Nov, published by the council 4 Nov 2026 Full applications
  • 26/07443/FULL Awaiting decision

    150 Great Portland Street London W1W 6QD

    Installation of three air conditioning condenser units to the lower ground floor rear courtyard, incluidng erection of a plunge pool. (retrospective)

    Received 2 Nov, published by the council 4 Nov 2026 Full applications
  • 26/06234/FULL Decided

    40 Grosvenor Place London SW1X 7HJ

    Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

    Received 11 Sep, published by the council 18 Sep 2026 Full applications