Open tenders / Building maintenance & repairs
Planned procurement · Notice 087444-2026
Barbican Renewal Programme - Glass Systems and Envelope
The Mayor and Commonalty and Citizens of the City of London
- Value
- £10.6m
- Stage
- Early notice
- Where
- London
- Lots
- 1
- Suitable for SMEs
- Yes, says the buyer
- Contract
- 1 Mar 2027 – 27 Mar 2029
In plain English
The City of London wants a contractor to design and build new glazed envelope and façade systems at the Barbican Arts Centre, covering the Conservatory, Garden Room, Terrace, Sculpture Court rooflights and Stair 8, plus supporting steelwork, louvres, gutters and maintenance walkways. Work runs from March 2027 to March 2029 and is valued at around £10.6m on a partly Grade II listed, heritage-sensitive building.
Good fit for: Specialist façade and glazing design-and-build contractors with heritage experience.
Watch out: Single lot worth about £10.6m, so bidders need capacity for the whole package; Design responsibility sits with the contractor (contractor design portion) for glazing and primary steelwork; Work on a part Grade II listed, heritage-sensitive building; Visual and off-site performance mock-ups required, tested to CWCT Sequence A weather-resistance methodology
Written with AI from the official notice. Check the notice before relying on it.
What the buyer says
This is a bespoke glazed envelope design-and-build package, not new-build construction, on a part Grade II listed and Heritage sensitive building – The Barbican Arts Centre. The works comprise new glazed envelope and façade systems to the Conservatory and Stair 8, following directly behind the demolition (by others), which removes the existing glazing first. The package includes primary steel structure to the Conservatory and Terrace, and the façade access/maintenance walkway and associated gutters and louvres. The scope of works includes: - Conservatory roof and vertical glazing: louvres, vents, perimeter benches, insulation, aluminium panelling, doors and associated gutters, including the Arid House. - Steel structure relating to Conservatory glazing: primary steel structure supporting the Conservatory roof and vertical glazing systems, carried within this package's own Contractor Design Portion. - Conservatory Lantern: re-glazed roof lantern. - Conservatory Rooflights: Level 02 office rooflights and associated overhead glazing. - Garden Room glazing, doors and associated gutters: refurbished steel framing to Lakeside Terrace with new acoustic double glazing/doorsets, overhead and Conservatory-facing glazing, and plant-room gutter louvre/infill system. - Conservatory Terrace Glazing and Steel: new Level 04 enclosure — bespoke steel T-profile vertical glazing, matching overhead glazing, and the Terrace's primary steel structure and roof steelwork. - Sculpture Court Rooflights: new rooflights, scope to be developed with the Architect and Façade Engineer. - Stair 8 glazing and associated structure, louvres and gutters: crown/roof glazing on new external primary steel RHS mullions, planters glazing renewal, automated opening windows, exoskeleton mullion replacement (thi…
Procedure: Competitive flexible procedure. Published 15 Sep 2026.
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