25, 27, St George Street, W1S 1FS

What is being proposed

Amendments to planning permission dated 11 August 2025 (RN: 25/01410/FULL) for alterations to the elevations on St. George St and Masons Arms Mews; removal of the car lift to the basement parking from Masons Arms Mews; extensions at fourth, fifth, sixth and seventh floor levels for use as office accommodation (Class E) with new terraces at fourth, fifth, sixth and seventh floor levels. Installation of PV panels and green roof at main roof level; planting on the terraces; new external stair in the lightwell on the southern side of the building; creation of a new lightwell on the St George Street side of the building including railings; new cycle parking facilities and associated works; NAMELY alterations to the location of the revolving door on St. George Street; provision of two areas for planters on the front St George Street elevation; amending the location of lighting fixtures to entrance; addition of address signage at ground floor level main entrance; amending level 06 and level 07 window sizes on both St George Street and Masons Arms Mews; and amending the wording of Condition 5 to allow the doors on St George Street to open outwards onto pavement for fire safety purposes.

Description as published by Westminster.

What this could mean for you

These are the effects a proposal like this most often raises. Each one is a material planning consideration, so each can form the basis of a comment.

• Overlooking and loss of privacy
• Parking pressure

Derived automatically from the proposal wording. Read the full application before relying on it.

Timeline

1. Received

   22 May 2026 · Submitted to the council

2. Validated

   22 May 2026 · Checked and published

3. Comments close

   1 Sept 2026 · Last day to have your say

4. Decision due

   19 Jun 2026 · Target date, often slips

5. Decided

   Not yet · Outcome published

Key facts

Reference

26/03413/NMA

Authority

Westminster

Address

25, 27, St George Street, W1S 1FS

Postcode

W1S 1FS

Type

Advertising and signage

Scale

Minor

Applicant

Not published

Agent

Not published

Received

22 May 2026

Decision due

19 Jun 2026

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