25 Hill Street, W1J 5LW

What is being proposed

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. Reconfiguration and landscaping of garden to rear of 27 Hill Street and erection of pavilion building with new access point from Chesterfield Hill, replacement roof plant equipment and internal alterations. (Linked with 26/03485/FULL)

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.

• Daylight and overshadowing
• Noise and disturbance
• Overlooking and loss of privacy
• Boundaries and garden amenity
• Traffic and access
• Trees and landscaping

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

Timeline

1. Received

   28 May 2026 · Submitted to the council

2. Validated

   28 May 2026 · Checked and published

3. Comments close

   9 Aug 2026 · Last day to have your say

4. Decision due

   23 Jul 2026 · Target date, often slips

5. Decided

   Not yet · Outcome published

Key facts

Reference

26/03486/LBC

Authority

Westminster

Address

25 Hill Street, W1J 5LW

Postcode

W1J 5LW

Type

Other

Scale

Minor

Storeys

2

Applicant

Not published

Agent

Not published

Received

28 May 2026

Decision due

23 Jul 2026

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