Opportunity Overview
Project Overview
The British Museum is seeking to appoint a Principal Contractor for a programme of essential roof repair and replacement works to the Grade I listed Round Reading Room, located at the centre of the Museum. The project has been designed to RIBA Stage 4, and the anticipated contract value is between £7 million and £9 million.
Publication of a Tender Notice relating to the procurement is currently expected on the 24th August, with submissions currently expected by the 5th October. Site visits which are strongly recommended will take place w/c 10th September, with a maximum of four attendees from each tenderer being permitted. Details for arranging site visits will be shared in the tender documents.
Building Context and Heritage Significance
The Round Reading Room was designed by Sydney Smirke and completed in 1857. It is a structure of exceptional national heritage significance, combining iron primary construction with brick masonry, a copper-clad dome, and a fully glazed central lantern. The roofscape comprises three elements: a perimeter flat roof known as the Snow Gallery Roof; the copper dome in batten-roll standing seam; and a twenty-sided glazed lantern incorporating patent glazing, timber sidelights, and a decorative internal laylight.
Scope of Works
The works span four principal areas:
• Snow Gallery Roof: Removal of an existing membrane and mineral wool flat roof build-up down to the concrete deck. Installation of a warm roof with cold-applied liquid waterproofing membrane, including upstands, penetrations, and new lightning protection.
• Copper Dome Conservation and Repair: Close-quarters condition survey and conservation-led repair from temporary scaffold, including localised copper panel replacement, seam and flashing repairs, and full replacement of the lantern base apron. Works must be undertaken by heritage-accredited metal roofing specialists.
• Lantern Glazing, Windows and Refurbishment: Full replacement of the existing patent-glazed...
The British Museum is seeking to appoint a Principal Contractor for a programme of essential roof repair and replacement works to the Grade I listed Round Reading Room, located at the centre of the Museum. The project has been designed to RIBA Stage 4, and the anticipated contract value is between £7 million and £9 million.
Publication of a Tender Notice relating to the procurement is currently expected on the 24th August, with submissions currently expected by the 5th October. Site visits which are strongly recommended will take place w/c 10th September, with a maximum of four attendees from each tenderer being permitted. Details for arranging site visits will be shared in the tender documents.
Building Context and Heritage Significance
The Round Reading Room was designed by Sydney Smirke and completed in 1857. It is a structure of exceptional national heritage significance, combining iron primary construction with brick masonry, a copper-clad dome, and a fully glazed central lantern. The roofscape comprises three elements: a perimeter flat roof known as the Snow Gallery Roof; the copper dome in batten-roll standing seam; and a twenty-sided glazed lantern incorporating patent glazing, timber sidelights, and a decorative internal laylight.
Scope of Works
The works span four principal areas:
• Snow Gallery Roof: Removal of an existing membrane and mineral wool flat roof build-up down to the concrete deck. Installation of a warm roof with cold-applied liquid waterproofing membrane, including upstands, penetrations, and new lightning protection.
• Copper Dome Conservation and Repair: Close-quarters condition survey and conservation-led repair from temporary scaffold, including localised copper panel replacement, seam and flashing repairs, and full replacement of the lantern base apron. Works must be undertaken by heritage-accredited metal roofing specialists.
• Lantern Glazing, Windows and Refurbishment: Full replacement of the existing patent-glazed...
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Start FreeSolicitation Details
| Issuing agency | British Museum |
|---|---|
| Country | United Kingdom |
| Category | Government Procurement |
| Published | August 06, 2026 |
| Procurement stage | Request for Proposal (RFP) |
| Response due | October 05, 2026 |
| Status | Open — accepting responses |
| Official source | View original notice |
| Last verified | August 12, 2026 |
Contains public sector information licensed under the Open Government Licence v3.0. Source: UK Government (Find a Tender).
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