Skip to content
PlanIndex Get alerts
Menu

Planning application

21 Lees Place London W1K 6LR

Awaiting decision Westminster 26/03678/ADFULL Approval of Details (Full PP)

Works: Windows or glazing

Relates to 25/06937/FULL

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Details of new windows and external doors pursuant to condition 4 of planning permission dated 01 April 2026 (RN: 25/06937/FULL)

As published by the council, reference 26/03678/ADFULL

Application record

Reference
26/03678/ADFULL
Type
Approval of Details (Full PP)
Status
Pending
Received
5 Jun 2026
Validated
5 Jun 2026
Ward
West End
Postcode
W1K 6LR

Site history

Applications at this address on the Westminster register

This site has had 6 applications since 2025: 1 approved, 0 refused.

  • 26/05671/ADFULL Decided

    21 Lees Place London W1K 6LR

    Details of Code of Construction Practice pursuant to condition 6 of planning permission dated 7th April 2026 (RN:25/06937/FULL)

    Submitted 19 Aug 2026
  • 26/05248/ADFULL Awaiting decision

    21 Lees Place London W1K 6LR

    Details of contaminated land assessment pursuant to condition 9 of planning permission dated 07 April 2026 (RN: 25/06937/FULL)

    Submitted 4 Aug 2026
  • 26/04177/CLEUD Awaiting decision

    21 Lees Place London W1K 6LR

    Lawful implementation of previously approved development under planning ref 24/08789/FULL granted 10th February 2025 for "Amalgamation of two existing two-bedroom flats located on first and second floors of the property into a single family sized four-bedroom residential unit. Addition of a rooflight to the flat section of the roof."

    Submitted 24 Jun 2026 Lawful development
  • 25/06937/FULL Granted

    21 Lees Place London W1K 6LR

    Partial demolition; basement excavation; replacement ground floor frontage; creation of a rear lightwell; installation of a new window on the west elevation; and associated external works in connection with residential use of part of the ground floor and new basement floor as a three bedroom residential unit (Class C3). (Land use swap with 20 Upper Grosvenor Street (REF: 25/06740/FULL))

    Decided 7 Apr 2026 Full applications
  • 25/06741/FULL Withdrawn

    21 Lees Place London W1K 6LR

    Partial demolition and excavation of a new lower ground floor level; installation of a replacement ground floor frontage; creation of a rear lightwell; and associated external works in connection with the use of part of the ground floor and new basement floor as residential floorspace (Class C3) comprising 1x3 bedroom unit. (LAND USE SWAP WITH 20 UPPER GROSVENOR STREET (REF: 25/06740/FULL)

    Decided 23 Sep 2025 Full applications

Timeline

Dates from the published record

  1. 5 Jun 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 31 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Westminster took a median of 66 days over the applications it decided in the last year.

Cases linked to this one on the register

  • 25/06937/FULL Granted

    21 Lees Place London W1K 6LR

    Partial demolition; basement excavation; replacement ground floor frontage; creation of a rear lightwell; installation of a new window on the west elevation; and associated external works in connection with residential use of part of the ground floor and new basement floor as a three bedroom residential unit (Class C3). (Land use swap with 20 Upper Grosvenor Street (REF: 25/06740/FULL))

    Decided 7 Apr 2026 Full applications

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.

See their track record

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.

Watch members (£5 a month) open the document list from here.

Open the documents

What happens while it is decided

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 91 days. More in our guide to how long planning decisions take.

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

  • 21 Lees Place London W1K 6LR

    26/05671/ADFULL Submitted 19 Aug 2026 50 yards away

    89% historically approved · decision due ~14 Oct

    Details of Code of Construction Practice pursuant to condition 6 of planning permission dated 7th April 2026 (RN:25/06937/FULL)

    Decided

  • 21 Lees Place London W1K 6LR

    26/04177/CLEUD Submitted 24 Jun 2026 50 yards away

    86% historically approved · decision due ~19 Aug

    Lawful implementation of previously approved development under planning ref 24/08789/FULL granted 10th February 2025 for "Amalgamation of two existing two-bedroom flats located on first and second floors of the property into a single family sized four-bedroom residential unit. Addition of a rooflight to the flat section of the roof."

    Awaiting decision Lawful development New dwelling Loft or dormer

  • 21 Lees Place London W1K 6LR

    26/05248/ADFULL Submitted 4 Aug 2026 50 yards away

    89% historically approved · decision due ~29 Sep

    Details of contaminated land assessment pursuant to condition 9 of planning permission dated 07 April 2026 (RN: 25/06937/FULL)

    Awaiting decision

  • 21 Lees Place London W1K 6LR

    25/06937/FULL Submitted 26 Sep 2025 50 yards away

    Partial demolition; basement excavation; replacement ground floor frontage; creation of a rear lightwell; installation of a new window on the west elevation; and associated external works in connection with residential use of part of the ground floor and new basement floor as a three bedroom residential unit (Class C3). (Land use swap with 20 Upper Grosvenor Street (REF: 25/06740/FULL))

    Granted Full applications Demolition Windows or glazing 55 docs

  • 21 Lees Place London W1K 6LR

    25/06741/FULL Submitted 19 Sep 2025 50 yards away

    Partial demolition and excavation of a new lower ground floor level; installation of a replacement ground floor frontage; creation of a rear lightwell; and associated external works in connection with the use of part of the ground floor and new basement floor as residential floorspace (Class C3) comprising 1x3 bedroom unit. (LAND USE SWAP WITH 20 UPPER GROSVENOR STREET (REF: 25/06740/FULL)

    Withdrawn Full applications Demolition 33 docs

  • 57 Green Street London W1K 6RH

    25/09351/FULL Submitted 24 Dec 2025 50 yards away

    87% historically approved · decision due ~9 Jul

    Replacement of two air conditioning condensers and minor alterations to the existing acoustic enclosure (replacement of three solid panels with acoustic louvres)

    Awaiting decision Full applications 36 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