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Planning application

20 Marlborough Place London NW8 0PA

Awaiting decision Westminster 26/00792/FULL Full Planning Permission Application

Works: Extension Demolition Windows or glazing Trees Small domestic

Read from the description, not a valuation. How we read the register

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

Proposal

Variation of condition 7 (trees method statement approved on 30.04.2025 under reference 25/02476/ADFULL) of planning permission dated (RN: 22/03426/FULL) for demolition of existing single-storey wing and erection of extended single-storey wing; Erection of single-storey extension to south elevation; Alterations to entrance porch; Formation of new windows to front and side elevations at ground floor level; Relocation plant machinery to rear; and associated external alterations. Namely to amend tree protection plan and revise tree report.

As published by the council, reference 26/00792/FULL

Application record

Reference
26/00792/FULL
Type
Full Planning Permission Application
Status
Pending
Received
10 Feb 2026
Validated
10 Feb 2026
Ward
Abbey Road
Postcode
NW8 0PA

Site history

Applications at this address on the Westminster register

This site has had 6 applications since 2025.

  • 26/06200/ADFULL Awaiting decision

    20 Marlborough Place London NW8 0PA

    Details of Tree report and soft lanscaping plan which includes the number, size, species and position of trees and shrubs pursuant to condition 6 of planning permission dated 8th Spetember 2022 (RN 22/03426/FULL)

    Submitted 10 Sep 2026
  • 26/05791/FULL Awaiting decision

    20 Marlborough Place London NW8 0PA

    Variation of condition 7 of planning permission dated 30 April 2025 RN: 22/03426/FULL) for the: 'Demolition of existing single-storey wing and erection of extended single-storey wing; Erection of single-storey extension to south elevation; Alterations to entrance porch; Formation of new windows to front and side elevations at ground floor level; Relocation plant machinery to rear; and associated external alterations.' NAMELY, to allow the rerouting of service connections.

    Submitted 24 Aug 2026 Full applications
  • 26/04811/TCA Awaiting decision

    20 Marlborough Place London NW8 0PA

    T10. Pittosporum - Fell to ground level. Reasons: As part of re-landscaping plan to plant a new boundary evergreen hedge.

    Submitted 20 Jul 2026 Trees
  • 26/01093/ADFULL Awaiting decision

    20 Marlborough Place London NW8 0PA

    Detailed drawings of a planting scheme which includes the number, size, species and position of trees and shrubs pursuant to condition 6 of planning permission dated 8th Spetember 2022 (RN 22/03426/FULL)

    Submitted 20 Feb 2026 Full applications
  • 25/08232/TPO Awaiting decision

    20 Marlborough Place London NW8 0PA

    T6. Sycamore - South boundary - Remove ivy from stems and canopy T7. Lime - South boundary - Remove deadwood, basal growth and stem sucker growth, Crown lift over footpath to 3m and road to 5m (statutory height)

    Submitted 31 Oct 2025 Trees

Timeline

Dates from the published record

  1. 10 Feb 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 7 April 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 65 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Barroll Webber Architects Agent, an architecture practice

5 applications on PlanIndex · across 2 councils

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

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Documents

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

9 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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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

  • 20 Marlborough Place London NW8 0PA

    26/01093/ADFULL Submitted 20 Feb 2026 50 yards away

    87% historically approved · decision due ~17 Apr

    Detailed drawings of a planting scheme which includes the number, size, species and position of trees and shrubs pursuant to condition 6 of planning permission dated 8th Spetember 2022 (RN 22/03426/FULL)

    Awaiting decision Full applications Trees 8 docs

  • 20 Marlborough Place London NW8 0PA

    26/05791/FULL Submitted 24 Aug 2026 50 yards away

    87% historically approved · decision due ~29 Oct

    Variation of condition 7 of planning permission dated 30 April 2025 RN: 22/03426/FULL) for the: 'Demolition of existing single-storey wing and erection of extended single-storey wing; Erection of single-storey extension to south elevation; Alterations to entrance porch; Formation of new windows to front and side elevations at ground floor level; Relocation plant machinery to rear; and associated external alterations.' NAMELY, to allow the rerouting of service connections.

    Awaiting decision Full applications Extension Demolition +1
    Small domestic

  • 20 Marlborough Place London NW8 0PA

    26/06200/ADFULL Submitted 10 Sep 2026 50 yards away

    89% historically approved · decision due ~5 Nov

    Details of Tree report and soft lanscaping plan which includes the number, size, species and position of trees and shrubs pursuant to condition 6 of planning permission dated 8th Spetember 2022 (RN 22/03426/FULL)

    Awaiting decision Trees

  • 20 Marlborough Place London NW8 0PA

    25/08232/TPO Submitted 31 Oct 2025 50 yards away

    100% historically approved · decision due ~26 Dec

    T6. Sycamore - South boundary - Remove ivy from stems and canopy T7. Lime - South boundary - Remove deadwood, basal growth and stem sucker growth, Crown lift over footpath to 3m and road to 5m (statutory height)

    Awaiting decision Trees 2 docs

  • 18 Marlborough Place London NW8 0PA

    25/07906/TCA Submitted 31 Oct 2025 50 yards away

    T1. Pear - Prune back to boundary line (2m in lateral spread), remove deadwood, hanging branches over no.20. T3. Walnut - Prune back to boundary line (2.5m in lateral spread. T5. Fig - Prune back from building to give 0.5m clearance, reduce height by 1m.

    Granted Trees 4 docs

  • 20 Marlborough Place London NW8 0PA

    26/04811/TCA Submitted 20 Jul 2026 50 yards away

    100% historically approved · decision due ~25 Sep

    T10. Pittosporum - Fell to ground level. Reasons: As part of re-landscaping plan to plant a new boundary evergreen hedge.

    Awaiting decision Trees 8 docs

In Westminster

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront.

    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 repolacement window and installation of double opening door.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06234/FULL Awaiting decision

    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
  • 26/06249/FULL Awaiting decision

    53 Wimpole Street London W1G 8YH

    Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06250/LBC)

    Received 11 Sep, published by the council 18 Sep 2026 Full applications
  • 26/03576/FULL Decided

    15A Devonshire Terrace London W2 3DW

    Erection of an infill extension to basement courtyard to form new bedroom and internal alterations. (Linked with 26/03577/LBC)

    Received 1 Jun, published by the council 11 Sep 2026 Full applications