---
title: "National Gallery Galleries 30 - 31 Overroof and Refurb"
ocid: "ocds-h6vhtk-065c2c"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-065c2c"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-065c2c.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-065c2c.json"
source: "Find A Tender Service"
current_stage: "Tender"
buyer: "NATIONAL GALLERY"
published: "2026-02-25"
---

# National Gallery Galleries 30 - 31 Overroof and Refurb

Buyer: NATIONAL GALLERY  
Current stage: Tender  
OCID: ocds-h6vhtk-065c2c

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## Summary

The National Gallery is seeking to refurbish the interiors of Galleries 30 and 31, enhancing environmental control through new roof glazing and additional insulation. Located at Trafalgar Square, London, this public authority central government project follows a competitive flexible procedure with a selective method. The procurement process is currently in the tender stage, with an expression of interest deadline set for 23 March 2026. The works involve structural alterations, installation of new AC systems, and repairs to internal finishes, with a contract value estimated at £5,200,000. The procurement is above the threshold and covered by GPA, aimed at constructions classified under roof works and refurbishment. The award period ends on 1 June 2026 and the contract period runs from 12 June 2026 to 31 May 2027.

This tender presents opportunities for construction businesses specialising in refurbishment and roof works to expand their portfolio by delivering a high-value project for a prestigious cultural institution. Companies with strengths in technical execution and capable of adhering to social values will find this project appealing. The procurement process involves shortlisting 5 to 6 suppliers who can demonstrate economic and technical criteria through a procurement-specific questionnaire. Successful bidders may have further opportunities for additional refurbishment, subject to funding and programme. It's a lucrative opportunity for firms capable of delivering quality workmanship in complex renovation projects.

## Notice

The purpose of this project is to refurbish the interiors of galleries 30 and 31 and enhancing the environmental control of both galleries through new roof glazing, new solar blinds, new air conditioning and associated ductwork and additional insulation to the external facade of Gallery 31. The anticipated scope of works includes: * Structural alterations including extending the steel frame at roof level * A new external 'over-roof' to replace the existing including new glazing and new solar control blinds. Includes new guarding's, new roller gantries, replacement roof finishes, new louvres and all associated flashings and membranes * New external wall insulation * New waterproofing and leak detection within the existing roof voids * Installation and commissioning of all MEP systems including integration with the existing BMS. This to include new AC and associated MEP designed AHU so both G30 and 31 are both air conditioned to the gallery's conditions and specification. * Installation of all walls, floor and ceiling finishes including new gilding to ornate ceiling plasterwork * Repairs to existing retained internal finishes * New external steel gantry for plant relocation, access and maintenance

### Lot Information

Lot 1

Options: Additional refurb work on adjacent gallery may be commissioned, subject to funding and programme

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/016945-2026 |
| Notice type | UK4 - Tender Notice |
| Procurement type | Standard |
| Procurement category | Works |
| Procurement method | Selective |
| Procurement method details | Competitive flexible procedure |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 25 Feb 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | Not specified |
| Contract period | 11 Jun 2026 - 31 May 2027 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £5,200,000 |
| Lots value | £5,200,000 |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Active |
| Lots status | Active |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | NATIONAL GALLERY |
| Locality | LONDON |
| Post town | Central London |
| Postcode | WC2N 5DN |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI3 Inner London - West |
| ITL 3 | TLI35 Westminster and City of London |
| Local authority | Westminster |
| Electoral ward | St James's |
| Westminster constituency | Cities of London and Westminster |
| Delivery location | TLI32 Westminster |

## CPV Codes

### Divisions

- 45 - Construction work

### Codes

- 45260000 - Roof works and other special trade construction works
- 45453100 - Refurbishment work

## Release History

- 25 Feb 2026 at 14:32 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/016945-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/016945-2026
  25th February 2026 - Tender notice on Find a Tender

## Notice URLs

- https://www.delta-esourcing.com/tenders/UK-title/EFZW8FD683
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-065c2c. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-065c2c.json.