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Planning application

24 Lisson Grove London NW1 6TT

Awaiting decision Westminster 21/08179/FULL Application for full Planning Permission

Works: Extension

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

Proposal

Erection of ground and first floor rear extension to form a two-bedroom self-contained flat, conversion of the existing ground floor office to a one-bedroom self-contained flat, and office to basement.

As published by the council, reference 21/08179/FULL

Application record

Reference
21/08179/FULL
Type
Application for full Planning Permission
Status
Pending
Received
30 Nov 2021
Validated
16 Dec 2021
Ward
Bryanston And Dorset Square
Postcode
NW1 6TT

Timeline

Dates from the published record

  1. 30 Nov 2021

    Received by Westminster

  2. 16 Dec 2021

    Validated

    Checked as complete and ready for consideration.

  3. 20 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 10 February 2022, 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 86 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

CG Architects Agent, an architecture practice

78 applications on PlanIndex · across 12 councils · 83% 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

16 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 119 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

  • 18 Lisson Grove London NW1 6TT

    26/01653/FULL Submitted 13 Mar 2026 50 yards away

    88% historically approved · decision due ~8 May

    Erection of a extension, conversion and refurbishment of the site to deliver three new residential units; together with the extension and improvement of the existing apartments, external alterations, and the utilisation of the ground floor office space to provide a single commercial unit (Class E).

    Awaiting decision Full applications New dwelling Extension 23 docs

  • Development Site At 26 To 46 Lisson Grove And 18 Hayes Place London

    25/08588/CLEUD Submitted 24 Nov 2025 50 yards away

    Confirmation that material operations were undertaken in order to lawfully implement planning permission referenced 22/05145/FULL, dated 06 January 2023, for the purpose of Section 56 of the Town and Country Planning Act (1990) (as amended) prior to the expiry of this permission at the end of 6 January 2026.

    Granted Lawful development 22 docs

  • Florence Nightingale Hospital 11 - 19 Lisson Grove London NW1 6SH

    04/01784/FULL Submitted 8 Mar 2004 50 yards away

    Replacement of UPVC windows to 11 first floor windows on the Bendall Mews elevation.

    Granted Full applications Windows or glazing 7 docs

  • Florence Nightingale Hospital 11 - 19 Lisson Grove London NW1 6SH

    03/08978/FULL Submitted 21 Nov 2003 50 yards away

    Replacement UPVC windows to eleven first floor existing windows of Bendall Mews elevation.

    Refused Full applications Windows or glazing 7 docs

  • Second Floor Flat 109 Bell Street London NW1 6TL

    25/09282/FULL Submitted 22 Dec 2025 50 yards away

    88% historically approved · decision due ~18 May

    Erection of additional storey to existing second floor flat, conversion of 1 flat into a 3-bed duplex with front elevation dormer windows set back from principal elevation.

    Awaiting decision Full applications Loft or dormer Windows or glazing 14 docs
    Domestic

  • 7 Harewood Avenue London NW1 6JB

    26/05210/ADV Submitted 3 Aug 2026 50 yards away

    82% historically approved · decision due ~28 Sep

    Display of 28 non illuminated window vinyl to ground floor windows of building measuring 1.25m X 2.68m

    Awaiting decision Advertising Windows or glazing

In Westminster

  • 26/05984/FULL Decided

    41 Sutherland Street London SW1V 4JX

    Replacement of front, side and rear windows with double glazed timber framed sash windows and replacement of a door with a double glazed timber framed door.

    Received 2 Sep, published by the council 11 Sep 2026 Full applications
  • 26/06134/FULL Decided

    Flat 10H Hyde Park Mansions Cabbell Street London NW1 5BG

    Replacement of front and rear second floor level windows with slim-profile double-glazed panels, retaining the existing window and door frames.

    Received 8 Sep, published by the council 15 Sep 2026 Full applications
  • 26/07258/FULL Awaiting decision

    16A Croxley Road London W9 3HL

    Installation of air to air heat pumps to offices and bedrooms.

    Received 22 Oct, published by the council 23 Oct 2026 Full applications
  • 26/07193/FULL Awaiting decision

    98 Victoria Street London SW1E 5JL

    Shopfront alterations. (Linked with 26/07194/ADV)

    Received 21 Oct, published by the council 22 Oct 2026 Full applications
  • 26/07187/FULL Awaiting decision

    Ground Floor Flat 151 Portnall Road London W9 3BN

    Erection of a single storey rear extension.

    Received 21 Oct, published by the council 22 Oct 2026 Full applications