The National Gallery, Trafalgar Square, WC2N 5DN

What is being proposed

Refurbishment of Galleries 30 and 31 within the Wilkins Building, comprising internal restoration works including replacement and repair of floors, wall coverings and decorative plasterwork, installation of new ventilation, environmental controls and lighting, together with external alterations including rooftop plant and ductwork, modifications and extension of over-roof structures, replacement roof finishes and glazing, installation of solar shading fins and external wall insulation, new roof-level guarding, and formation of an external gantry for plant access.

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
• Traffic and access

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

Timeline

1. Received

   18 May 2026 · Submitted to the council

2. Validated

   18 May 2026 · Checked and published

3. Comments close

   23 Jun 2026 · Last day to have your say

4. Decision due

   13 Jul 2026 · Target date, often slips

5. Decided

   1 Jul 2026 · Outcome published

Key facts

Reference

26/03250/LBC

Authority

Westminster

Address

The National Gallery, Trafalgar Square, WC2N 5DN

Postcode

WC2N 5DN

Type

Extension or home alteration

Scale

Minor

Applicant

Not published

Agent

Not published

Received

18 May 2026

Decision due

13 Jul 2026

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