Planning application
25 Hill Street London W1J 5LW
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)
-
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.
Timeline
Dates from the published record
-
28 May 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
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 91 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
925 applications on PlanIndex · across 40 councils · 97% granted
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See their track recordDocuments
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 documentsWhat 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 119 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
88% 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
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 docsSmall domestic -
21 - 23 Hill Street London W1J 5LW
Installation of two satellite dishes on the roof.
Decided Full applications 7 docs -
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.
Granted Advertising 4 docs -
21 - 23 Hill Street London W1J 5LW
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
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
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