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Planning application

20 Hill Street London W1J 5NJ

Awaiting decision Westminster 25/08632/FULL Full Planning Permission Application

Works: Extension

Relates to 25/08633/LBC

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

Proposal

Alterations and extension at rear second floor level (to square off non-original extension). (Linked to 25/08633/LBC)

As published by the council, reference 25/08632/FULL

Application record

Reference
25/08632/FULL
Type
Full Planning Permission Application
Status
Pending
Received
26 Nov 2025
Validated
26 Nov 2025
Ward
West End
Postcode
W1J 5NJ

Site history

Applications at this address on the Westminster register

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

  • 25/09181/LBC Granted

    20 Hill Street London W1J 5NJ

    Internal subdivision of the rear western rooms at ground, first and second floor.

    Decided 3 Mar 2026 Heritage and listed buildings
  • 25/08921/FULL Awaiting decision

    20 Hill Street London W1J 5NJ

    Relocation of plant to within louvred enclosure to the main roof. (Linked to 25/08922/LBC)

    Submitted 8 Dec 2025 Full applications
  • 25/08922/LBC Awaiting decision

    20 Hill Street London W1J 5NJ

    Relocation of plant to within louvred enclosure to the main roof. (Linked to 25/08921/FULL)

    Submitted 8 Dec 2025 Heritage and listed buildings
  • 25/08633/LBC Awaiting decision

    20 Hill Street London W1J 5NJ

    Alterations and extension at rear second floor level (to square off non-original extension).(Linked to 25/08632/FULL)

    Submitted 26 Nov 2025 Heritage and listed buildings
  • 25/08311/LBC Refused

    20 Hill Street London W1J 5NJ

    Internal and external lowering of non-original lower ground floor slab.

    Decided 26 Feb 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 26 Nov 2025

    Received by Westminster

  2. 20 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 21 January 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.

Cases linked to this one on the register

  • 25/08633/LBC Awaiting decision

    20 Hill Street London W1J 5NJ

    Alterations and extension at rear second floor level (to square off non-original extension).(Linked to 25/08632/FULL)

    Submitted 26 Nov 2025 Heritage and listed buildings

1 later application on the register refers to this one:

  • 25/08633/LBC Awaiting decision

    20 Hill Street London W1J 5NJ

    Alterations and extension at rear second floor level (to square off non-original extension).(Linked to 25/08632/FULL)

    Submitted 26 Nov 2025 Heritage and listed buildings

Who's behind it

Company information only, from the register and Companies House

Future Planning and Development Agent, a planning consultancy registered in London

Active · incorporated 2013 · London

19 applications on PlanIndex · across 11 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

19 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

  • 20 Hill Street London W1J 5NJ

    25/08633/LBC Submitted 26 Nov 2025 50 yards away

    90% historically approved · decision due ~21 Jan

    Alterations and extension at rear second floor level (to square off non-original extension).(Linked to 25/08632/FULL)

    Awaiting decision Heritage and listed buildings Extension 14 docs

  • 20 Hill Street London W1J 5NJ

    25/08921/FULL Submitted 8 Dec 2025 50 yards away

    88% historically approved · decision due ~2 Feb

    Relocation of plant to within louvred enclosure to the main roof. (Linked to 25/08922/LBC)

    Awaiting decision Full applications 17 docs

  • 20 Hill Street London W1J 5NJ

    25/08922/LBC Submitted 8 Dec 2025 50 yards away

    90% historically approved · decision due ~2 Feb

    Relocation of plant to within louvred enclosure to the main roof. (Linked to 25/08921/FULL)

    Awaiting decision Heritage and listed buildings 12 docs

  • 20 Hill Street London W1J 5NJ

    25/09181/LBC Submitted 18 Dec 2025 50 yards away

    Internal subdivision of the rear western rooms at ground, first and second floor.

    Granted Heritage and listed buildings 16 docs

  • 22 Hill Street London W1J 5NJ

    26/01324/ADFULL Submitted 3 Mar 2026 50 yards away

    88% historically approved · decision due ~28 Apr

    Details of method statements and sample panel of the façade refurbishment works pursuant to Condition 3 of planning permission dated 10 July 2024 (RN: 24/02026/FULL)

    Awaiting decision Full applications 3 docs

  • 22 Hill Street London W1J 5NJ

    26/02684/ADFULL Submitted 22 Apr 2026 50 yards away

    88% historically approved · decision due ~24 Jun

    Detailed drawings and a bio-diversity management plan in relation to the first floor green roof and planters to include construction method, layout, species and maintenance regime pursuant to condition 10 of planning permission dated 12th July 2024 (RN:24/02026/FULL)

    Awaiting decision Full applications 9 docs

In Westminster

  • 26/07528/FULL Awaiting decision

    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

    Installation of waterproofing system to the existing lead flat roofs

    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

    Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

    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