Palm House Conservation Package

Royal Botanic Gardens, Kew

Value: £20m
Closes: 9 Dec 2026 (31 days)
Where: London
Lots: 1
Suitable for SMEs: Yes, says the buyer
Contract: 10 Aug 2027 – 5 Dec 2029

In plain English

Royal Botanic Gardens, Kew wants a main contractor to carry out conservation, refurbishment and accessibility works to the Grade I listed Palm House at Kew, London, while the gardens stay open. The contract is estimated at £20,000,000 and runs from 10 August 2027 to 5 December 2029; bids close on 9 December 2026 via the Delta eSourcing portal.

Good fit for: Large main contractors with heritage building and listed glasshouse conservation experience.

Written with AI from the official notice. Check the notice before relying on it.

What the buyer says

Appointment of a Principal Contractor to deliver conservation, refurbishment, and accessibility works to the Grade I listed Palm House within the UNESCO World Heritage Site at Kew. • Scope of Works: Conservation and refurbishment of the historic Palm House structure and associated elements, including glazing replacement, wrought/cast ironwork conservation, historic ventilation system overhaul, stonework/dado repairs, rainwater goods restoration, accessibility enhancements, internal alterations, M&E works, and related enabling works. • Operating Environment: Delivered within a live operational environment of international heritage significance, requiring meticulous coordination with site visitors, staff, living collections, and ongoing garden operations and maintenance. • Package Boundaries: Excludes separate decarbonisation and landscaping packages, which will be procured under separate standalone contracts. For more information about this opportunity, please visit the eSourcing portal at: https://www.delta-esourcing.com/tenders/UK-UK-Richmond:-Building-construction-work./D47WHXCKR6 To respond to this opportunity, please click here: https://www.delta-esourcing.com/respond/D47WHXCKR6

Read the official notice Tender documents

Getting the documents

delta-esourcing.com (the buyer's own site, usually free to register).

Procedure: Competitive flexible procedure (Flexible: the buyer sets the stages, often a shortlist first, then bids). Published 2 Nov 2026.

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