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Planning application

20 Marlborough Place London NW8 0PA

Awaiting decision Westminster 26/05791/FULL Full applications

Works: Extension Demolition Windows or glazing 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 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.

As published by the council, reference 26/05791/FULL

Application record

Reference
26/05791/FULL
Category
Full applications
Status
Pending
Received
24 Aug 2026
Validated
3 Sep 2026
Postcode
NW8 0PA

Site history

Applications at this address on the Westminster register

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

  • 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
  • 26/04811/TCA Decided

    20 Marlborough Place London NW8 0PA

    1 x Pittosporum (T10, front): Fell

    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
  • 26/00792/FULL Awaiting decision

    20 Marlborough Place London NW8 0PA

    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.

    Submitted 10 Feb 2026 Full applications
  • 25/08232/TPO Granted

    20 Marlborough Place London NW8 0PA

    1 x lime (T7, front): Remove deadwood, basal growth and stem sucker growth, Crown lift over footpath to 3m and road to 5m (statutory height)

    Decided 16 Jan 2026 Trees

Timeline

Dates from the published record

  1. 24 Aug 2026

    Received by Westminster

  2. 3 Sep 2026

    Validated

    Checked as complete and ready for consideration.

  3. 5 Sep 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 29 October 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 91 days over the applications it decided in the last year.

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

  • 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

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

    100% historically approved · decision due ~25 Sep

    1 x Pittosporum (T10, front): Fell

    Decided Trees 8 docs

  • 20 Marlborough Place London NW8 0PA

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

    88% 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

    26/00792/FULL Submitted 10 Feb 2026 50 yards away

    88% historically approved · decision due ~7 Apr

    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.

    Awaiting decision Full applications Extension Demolition +2 9 docs
    Small domestic

  • 20 Marlborough Place London NW8 0PA

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

    1 x lime (T7, front): Remove deadwood, basal growth and stem sucker growth, Crown lift over footpath to 3m and road to 5m (statutory height)

    Granted Trees 3 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

In Westminster

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    69 Eaton Place London SW1X 8DF

    Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

    Received 5 Nov, published by the council 6 Nov 2026 Full applications
  • 26/05200/FULL Decided

    1 The Court House 165 Seymour Place London W1H 4PU

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    Received 3 Aug, published by the council 28 Aug 2026 Full applications
  • 26/07521/FULL Awaiting decision

    Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

    Installation of one external condenser unit

    Received 4 Nov, published by the council 6 Nov 2026 Full applications
  • 26/07508/FULL Awaiting decision

    Buckingham Palace The Mall London SW1A 1AA

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    Received 4 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07472/FULL Awaiting decision

    Flat 3 82 New Cavendish Street London W1G 9TA

    Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

    Received 3 Nov, published by the council 6 Nov 2026 Full applications