Planning application
74 Park Street London W1K 2JX
Works: Loft or dormer Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
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]
As published by the council, reference 26/02614/ADLBC
Application record
- Reference
- 26/02614/ADLBC
- Type
- Approval of Details (ADLBC)
- Status
- Pending
- Received
- 17 Apr 2026
- Validated
- 27 Apr 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.
-
26/02529/ADFULL Awaiting decision
74 Park Street London W1K 2JX
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]
-
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
-
27 Apr 2026
Validated
Checked as complete and ready for consideration.
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 22 June 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 condition discharge and variation applications in a median of 42 days. More in our guide to how long planning decisions take.
About condition discharge and variation applications
This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. 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
87% historically approved · decision due ~10 Jul
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]
Awaiting decision Full applications Loft or dormer 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
Other condition discharge and variation applications
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26/04860/ADLBC Granted
New Zealand House 80 Haymarket London SW1Y 4TE
Details of external and internal signage strategy pursuant to Condition 7(E) of listed building consent dated 12th February 2021 (RN: 19/07816/LBC)
-
26/04843/ADLBC Granted
New Zealand House 80 Haymarket London SW1Y 4TE
Detailed design and specification of new blinds to NZH based on mock-up trials on-site pursuant to Condition 6(m) of listed building consent dated 12th February 2021 (19/07816/LBC).
-
26/05026/ADLBC Awaiting decision
St James's Park The Mall London SW1A 1AA
Details of method statement for re-carving works pursuant to condition 3(i) of listed building consent dated 16 July 2026 (RN: 26/03399/LBC)
-
26/04850/ADLBC Awaiting decision
17 Belgrave Square London SW1X 8PG
Detailed drawings of garage doors, roof lantern and any new lighting and flooring in the principal rooms pursuant to condition 6 (iii) (iv) (v) of listed building 18th August 2025 (RN:25/03417/LBC)
-
25/07120/ADLBC Granted
72 - 74 Lancaster Gate London W2 3NH
Details of new and altered doors and door architraves, including external faces of lifts (detailed elevations and sections at 1:10) pursuant to Condition 3 (A) of Listed Building Consent dated 14 December 2023 (RN: 23/00772/LBC) (Linked app: 25/07088/ADFULL)