Planning application
Denham Building 27 St James's Street London SW1A 1HA
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Creation of new landscaping including the installation of new planting, external lighting, street furniture and replacement entrance to the Bank Building fronting the Smithson Plaza. (Linked with 26/01780/LBC)
As published by the council, reference 26/01779/FULL
Application record
- Reference
- 26/01779/FULL
- Type
- Full Planning Permission Application
- Status
- Pending
- Received
- 19 Mar 2026
- Validated
- 19 Mar 2026
- Ward
- St James's
- Postcode
- SW1A 1HA
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2026.
-
26/01780/LBC Awaiting decision
Denham Building 27 St James's Street London SW1A 1HA
Creation of new landscaping including the installation of new planting, external lighting, street furniture and replacement entrance to the Bank Building fronting the Smithson Plaza. (Linked with 26/01779/FULL)
Timeline
Dates from the published record
-
19 Mar 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 14 May 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
DP9 Ltd Agent
Active · incorporated 2004
2,220 applications on PlanIndex · across 37 councils · 98% 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 recordDocuments
Plans, drawings, consultee responses and the officer's report
10 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
-
Denham Building 27 St James's Street London SW1A 1HA
90% historically approved · decision due ~14 May
Creation of new landscaping including the installation of new planting, external lighting, street furniture and replacement entrance to the Bank Building fronting the Smithson Plaza. (Linked with 26/01779/FULL)
Awaiting decision Heritage and listed buildings 3 docs -
Smithson Tower 25 St James's Street London SW1A 1HA
Installation of new external ductwork and associated external alterations to fifth floor roof level including replacement roof membranes, access hatch and installation of a maintenance-only door to existing roof plant enclosure.
Granted Heritage and listed buildings Roofing 23 docs -
Basement And Ground Floor Smithson Tower 25 St James's Street London SW1A 1HA
Installation of a fascia sign, a wall plaque and 8 vinyl logos behind glazing.
Granted Heritage and listed buildings Windows or glazing 16 docs -
Basement And Ground Floor Smithson Tower 25 St James's Street London SW1A 1HA
Display of non-illuminated fascia sign measuring 0.63m x 0.22m; and wall plaque sign measuring 0.28m x 0.45m.
Granted Advertising 8 docs -
Smithson Tower 25 St James's Street London SW1A 1HA
Installation of 120 metres of fibre telecommunications cable from the 13th floor communications room to the basement intake room.
Granted Heritage and listed buildings 15 docs -
Smithson Tower 25 St James's Street London SW1A 1HA
Installation of new external ductwork and associated external alterations to fifth floor roof level including replacement roof membranes, access hatch and installation of a maintenance-only door to existing roof plant enclosure.
Granted Full applications Roofing 24 docs
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