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cs:westminster:26/04402/FULL

Planning application at 39 Westminster Mansions Great Smith Street London SW1P 3BP, Westminster. View planning documents, track the decision and get email alerts on updates.

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Retention of slimline double-glazed units featuring internal glazing bars to five existing double-hung timber sash windows on the front elevation.

26/04402/FULL

39 Westminster Mansions Great Smith Street London SW1P 3BP

Submitted3 Jul
Validated
Consultation
Target
Decided

This is a planning application for window replacement at 39 Westminster Mansions Great Smith Street London SW1P 3BP. Westminster has handled 18,781 applications of this type and approves 88% of them, typically deciding them in 56 days. It was submitted on 3 July 2026 and is still awaiting a decision. The site is in the Westminster Abbey and Parliament Square conservation area, with 20 listed buildings nearby. There are no previous applications recorded at this address. We hold 1,043 applications in total for the SW1P postcode area.

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Application Details

Reference
26/04402/FULL
Address
39 Westminster Mansions Great Smith Street London SW1P 3BP
Postcode
SW1P 3BP
Local Authority
Westminster
Decision Status
Undecided

Applicant & Agent

Planning Application Dates

Date Submitted
3 July 2026

Planning Decision

Publicity

Appeal

Additional Information

Coordinates
51.497030, -0.128945

Source: Westminster