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25/09049/LBC

Heritage application at Sanctuary Buildings 20 Great Smith Street London SW1P 3BT, Westminster. View planning documents, track the decision and get email alerts on updates.

Enriching application data
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Council recordsAppealsFlood risk
Permitted
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Replacement of defective lintels above three windows on the sixth floor.

25/09049/LBC

Small
Heritage

Sanctuary Buildings 20 Great Smith Street London SW1P 3BT

Submitted15 Dec
Validated
Consultation
Target
Decided19 Mar
7 weeks typical decision time in Westminster90% of heritage applications approved

This is a heritage application for window replacement at Sanctuary Buildings 20 Great Smith Street London SW1P 3BT. Westminster has handled 2,686 applications of this type and approves 90% of them, typically deciding them in 64 days. This one was decided in 94 days, 4 weeks longer than Westminster's median. The site is in the Westminster Abbey and Parliament Square conservation area, with 10 listed buildings nearby. There have been 9 other applications at this address. In the past year there have been 587 applications across St James's. We hold 1,043 applications in total for the SW1P postcode area.

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Application Details

Reference
25/09049/LBC
Address
Sanctuary Buildings 20 Great Smith Street London SW1P 3BT
Postcode
SW1P 3BT
Local Authority
Westminster
Application Type
Heritage
Scale / Size
Small
Decision Status
Permitted

Applicant & Agent

Planning Application Dates

Date Decided
19 March 2026
Date Submitted
15 December 2025

Planning Decision

Publicity

Appeal

Additional Information

Coordinates
51.497850, -0.129989

Source: Westminster