Planning Applications — Commercial — Westminster

25 Hill Street London W1J 5LW

Refurbishment and external alterations to No. 25 Hill Street comprising external repairs to front and rear facades, replacement linked two-storey Annex with roof terrace, rebuilding of rear mansard roof and creation of new internal mezzanine with spiral staircase access and roof terrace. Reconfiguring and landscaping the garden to the rear of 27 Hill Street and erection of pavilion building with new access point from Chesterfield Hill, consolidating replacement plant equipment, all in association with the continued office (Class E) use, and other associated works.

Received 28 May 2026

25 Hill Street London W1J 5LW

Refurbishment and external alterations to No. 25 Hill Street, comprising of external repairs to front and rear facades, replacement linked two-storey Annex with roof terrace, rebuilding of rear mansard roof and creation of new internal mezzanine with spiral staircase access and roof terrace. Reconfiguring and landscaping the garden to the rear of 27 Hill Street and erection of pavilion building with new access point from Chesterfield Hill, consolidating replacement plant equipment, all in association with the continued office (Class E use), sensitive internal alterations to restore historic character, and other associated works.

Received 28 May 2026

50 Grosvenor Street London

Minor internal works at ground and first floor levels to refurbish and fit-out office accommodation (revised submission of application ref. 26/00764/LBC).

Received 27 May 2026

Chatham House 10 St James's Square London SW1Y 4LE

Removal of internal partition wall in the office spaces at the second floor.

Received 18 May 2026

Unit 1 Cunard House 15 Regent Street London SW1Y 4LN

Internal alterations to ground floor and basement retail unit to enable new retail store fit out

Received 15 May 2026

Ground Floor 41 Savile Row London W1S 3QQ

Alterations to the existing shopfront, including the introduction of sash windows and the installation of a retractable awning with signage.

Received 15 May 2026