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Planning application

First Floor 15 Harley Street London W1G 9QQ

Granted Westminster 25/06469/FULL Full Planning Permission Application

Works: Extension

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

Proposal

Re-orientation and screening of an existing air handling unit (AHU) located on the rooftop of the modern rear extension at 15 Harley Street.

As published by the council, reference 25/06469/FULL

Application record

Reference
25/06469/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
10 Sep 2025
Validated
10 Sep 2025
Decided
10 Nov 2025
Ward
Marylebone
Decision by
Complex Delegated Decision
Postcode
W1G 9QQ

Site history

Applications at this address on the Westminster register

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

  • 25/06470/LBC Granted

    First Floor 15 Harley Street London W1G 9QQ

    Re-orientation and screening of an existing air handling unit (AHU) located on the rooftop of the modern rear extension at 15 Harley Street.

    Decided 10 Nov 2025 Heritage and listed buildings

Timeline

Dates from the published record

  1. 10 Sep 2025

    Received by Westminster

  2. 10 Nov 2025

    Decision issued: Application Permitted

  3. 21 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Kiani Architects Agent, an architecture practice registered in London

Active · incorporated 2020 · London

4 applications on PlanIndex

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See their track record

Documents

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

32 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 10 November 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

  • First Floor 15 Harley Street London W1G 9QQ

    25/06470/LBC Submitted 10 Sep 2025 50 yards away

    Re-orientation and screening of an existing air handling unit (AHU) located on the rooftop of the modern rear extension at 15 Harley Street.

    Granted Heritage and listed buildings Extension 28 docs

  • 13 Harley Street London W1G 9QG

    25/07274/ADFULL Submitted 8 Oct 2025 50 yards away

    87% historically approved · decision due ~9 Dec

    Details of a method statement and 1sq.m. sample panel of façade cleaning pursuant to condition 4 of planning permission dated 29th September 2025 (RN:25/04781/FULL)

    Awaiting decision Full applications 16 docs

  • 13 Harley Street London W1G 9QG

    25/08030/ADLBC Submitted 5 Nov 2025 50 yards away

    90% historically approved · decision due ~31 Dec

    Detailed drawings of the new double-glazed windows at third and fourth floor levels pursuant to condition 5 (7) of listed building consent dated 29th September 2025 (RN:25/04782).

    Awaiting decision Conditions Windows or glazing 6 docs

  • 13 Harley Street London W1G 9QG

    25/08449/ADLBC Submitted 19 Nov 2025 50 yards away

    90% historically approved · decision due ~14 Jan

    Details of decoration and Paint Analysis strategy; pursuant to conditon 5(1) of Listed Builidng consent dated 26 September 2025 (RN 25/04782/LBC)

    Awaiting decision Conditions 5 docs

  • 13 Harley Street London W1G 9QG

    25/08007/ADFULL Submitted 4 Nov 2025 50 yards away

    87% historically approved · decision due ~30 Dec

    Detailed drawings of the timber screening to the rear of the ground floor terrace pursuant to condition 10 of planning permission dated 29th September 2025 (RN:25/04781).

    Awaiting decision Full applications 5 docs

  • 13 Harley Street London W1G 9QG

    25/07998/ADLBC Submitted 4 Nov 2025 50 yards away

    90% historically approved · decision due ~30 Dec

    Detailed drawings, with a full-size section through the handrail of the reinstated balustrade and handrail to the staircase from lower ground to ground floor level pursuant to condition 5 (2) of listed building consent dated 29th September 2025 (RN:25/04782).

    Awaiting decision 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