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Planning application

25 Hill Street London W1J 5LW

Awaiting decision Westminster 26/03486/LBC Listed Building Consent Application

Works: Loft or dormer Roofing

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

Proposal

External repairs to front and rear facades, replacement linked two-storey annex with roof terrace, rebuilding of rear mansard roof and creation of new internal mezzanine with spiral staircase access and roof terrace. Reconfiguration and landscaping of garden to rear of 27 Hill Street and erection of pavilion building with new access point from Chesterfield Hill, replacement roof plant equipment and internal alterations. (Linked with 26/03485/FULL)

As published by the council, reference 26/03486/LBC

Application record

Reference
26/03486/LBC
Type
Listed Building Consent Application
Status
Pending
Received
28 May 2026
Validated
28 May 2026
Ward
West End
Postcode
W1J 5LW

Site history

Applications at this address on the Westminster register

This site has had 3 applications since 2013: 1 approved, 0 refused.

  • 26/03485/FULL Awaiting decision

    25 Hill Street London W1J 5LW

    Replacement linked two-storey annex with roof terrace, rebuilding of rear mansard roof and creation of roof terrace. Reconfiguration and landscaping of garden to rear of 27 Hill Street and erection of pavilion building with new access point from Chesterfield Hill; replacement plant equipment on roof all in association with the continued office (Class E) use. (Linked with 26/03486/LBC)

    Submitted 28 May 2026 Full applications
  • 13/01908/AD7 Granted

    25 Hill Street London W1J 5LW

    Display for a temporary period of six months of a non-illuminated estate agent board attached to the railings in front of the building at street level and measuring 0.6m x 0.45m.

    Decided 20 Mar 2013 Advertising

Timeline

Dates from the published record

  1. 28 May 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 23 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.

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

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Documents

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

35 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 heritage and listed building applications in a median of 94 days. More in our guide to how long planning decisions take.

About heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 25 Hill Street London W1J 5LW

    26/03485/FULL Submitted 28 May 2026 50 yards away

    87% historically approved · decision due ~23 Jul

    Replacement linked two-storey annex with roof terrace, rebuilding of rear mansard roof and creation of roof terrace. Reconfiguration and landscaping of garden to rear of 27 Hill Street and erection of pavilion building with new access point from Chesterfield Hill; replacement plant equipment on roof all in association with the continued office (Class E) use. (Linked with 26/03486/LBC)

    Awaiting decision Full applications Loft or dormer 44 docs
  • 21 - 23 Hill Street London W1J 5LW

    04/09915/ADFULL Submitted 15 Dec 2004 50 yards away

    Details of porch, portico, entrance doors and fanlights pursuant to Condition 6 (2,3 +4) of planning permission dated 10 July 2002 (RN: 01/06157).

    Granted Full applications Extension 3 docs
    Small domestic
  • 21 - 23 Hill Street London W1J 5LW

    05/08895/FULL Submitted 1 Nov 2005 50 yards away

    Installation of two satellite dishes on the roof.

    Decided Full applications 7 docs
  • 25 Hill Street London W1J 5LW

    13/01908/AD7 Submitted 1 Mar 2013 50 yards away

    Display for a temporary period of six months of a non-illuminated estate agent board attached to the railings in front of the building at street level and measuring 0.6m x 0.45m.

    Granted Advertising 4 docs
  • 21 - 23 Hill Street London W1J 5LW

    05/03875/CAC Submitted 18 May 2005 50 yards away

    Installation of lower ground floor level gantry for the purposes of housing the plant.

    Decided Heritage and listed buildings 2 docs
  • 21 - 23 Hill Street London W1J 5LW

    05/03874/FULL Submitted 18 May 2005 50 yards away

    Installation of two air conditioning chillers and one air handling unit on lower ground floor gantry within acoustic louvres at rear of property.

    Granted Full applications 9 docs

In Westminster

  • 26/04878/LBC Decided

    34 Grosvenor Street London W1K 4QU

    Internal works to facilitate the subdivision of 34 Grosvenor Street and 3 Three Kings Yard

    Received 21 Jul, published by the council 1 Aug 2026 Heritage and listed buildings
  • 26/06299/LBC Awaiting decision

    Apartment 33 24 Park Crescent London W1B 1AA

    Removal of non structural partitions, replacement of non original doors with full height concealed doors.

    Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
  • 26/06305/LBC Awaiting decision

    33A Dean Street London W1D 4PP

    Waterproofing the basement level.

    Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
  • 26/04141/LBC Decided

    80E Randolph Avenue London W9 1BG

    Replacement of sashes in two front windows at 2nd floor level and one rear window with slimline double glazed timber sashes. (Linked with 26/04142/FULL)

    Received 23 Jun, published by the council 21 Jul 2026 Heritage and listed buildings
  • 26/06288/LBC Awaiting decision

    Barness Court 6 - 8 Westbourne Terrace London W2 3UW

    Installation of a new riser as per GW10 design comprising a single riser with 7 entries and 9 Taylor valves to be installed. (Linked with 26/06287/FULL)

    Received 14 Sep, published by the council 21 Sep 2026 Heritage and listed buildings