Planning application
74 Park Street London W1K 2JX
Works: Loft or dormer
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Details of glass sample / sliding mechanism of rooflights above kitchen pursuant to condition 6 and 7 of planning permission dated 25 October 2010 (RN: 10/07317/FULL) [Linked to 26/02614/ADLBC]
As published by the council, reference 26/02529/ADFULL
Application record
- Reference
- 26/02529/ADFULL
- Type
- Approval of Details (Full PP)
- Status
- Pending
- Received
- 17 Apr 2026
- Validated
- 15 May 2026
- Ward
- West End
- Postcode
- W1K 2JX
Site history
Applications at this address on the Westminster register
This site has had 4 applications since 2003: 0 approved, 2 refused.
-
26/02614/ADLBC Awaiting decision
74 Park Street London W1K 2JX
Details of new dormer windows / samples of welsh roofing slate and york stone / rear courtyard paved in york stone and lead sheet cladding to dormer windows and top of mansard pursuant to condition 2, 3 and 4 of listed building consent dated 25 October 2010 (RN: 10/07318/LBC) [Linked to 26/02529/ADFULL]
-
03/05638/FULL Refused
74 Park Street London W1K 2JX
Demolition of existing roof and erection of mansard roof extension to create additional residential accommodation in connection with existing single family dwelling.
-
03/05639/LBC Refused
74 Park Street London W1K 2JX
Demolition of existing roof and erection of mansard roof extension to create additional residential accommodation in connection with existing single family dwelling.
Timeline
Dates from the published record
-
17 Apr 2026
Received by Westminster
-
15 May 2026
Validated
Checked as complete and ready for consideration.
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 10 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
ST Architects Ltd Agent, an architecture practice
2 applications on PlanIndex
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
5 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 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
-
74 Park Street London W1K 2JX
Demolition of existing roof and erection of mansard roof extension to create additional residential accommodation in connection with existing single family dwelling.
Refused Full applications Extension Loft or dormer +1 7 docsDomestic -
74 Park Street London W1K 2JX
Demolition of existing roof and erection of mansard roof extension to create additional residential accommodation in connection with existing single family dwelling.
Refused Heritage and listed buildings Extension Loft or dormer +1 2 docsDomestic -
74 Park Street London W1K 2JX
90% historically approved · decision due ~22 Jun
Details of new dormer windows / samples of welsh roofing slate and york stone / rear courtyard paved in york stone and lead sheet cladding to dormer windows and top of mansard pursuant to condition 2, 3 and 4 of listed building consent dated 25 October 2010 (RN: 10/07318/LBC) [Linked to 26/02529/ADFULL]
Awaiting decision Conditions Loft or dormer Windows or glazing 5 docs -
70 Park Street London W1K 2JT
87% historically approved · decision due ~1 Jan
Detailed drawings of the metal steps for the front lightwell stairs pursuant to partial discharge of condition 4(e) of planning permission dated 25th January 2023 (RN:22/07391/FULL).
Awaiting decision Full applications 1 doc -
70 Park Street London W1K 2JT
90% historically approved · decision due ~31 Dec
Detailed drawings of metal steps pursuant to condition 3 (g) of listed building consent dated 25th January 2023 (RN:22/07392).
Awaiting decision Conditions 4 docs -
70 Park Street London W1K 2JT
Confirmation that planning permission 22/07391/FULL dated 25th January 2023 has been lawfully implemented by virtue of demolition of existing metal staircase at the site on 22nd January 2026.
Granted Lawful development Demolition 13 docs
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26/06294/FULL Awaiting decision
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Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.
-
26/06317/FULL Awaiting decision
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Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)
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