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Palm House Conservation Package

ROYAL BOTANIC GARDENS, KEW

This public procurement record has 2 releases in its history.

PlanningUpdate

02 Oct 2026 at 15:45

UK2 - Preliminary Market Engagement Notice
Planning

02 Oct 2026 at 13:53

UK2 - Preliminary Market Engagement Notice
Summary of the contracting process

Royal Botanic Gardens, Kew plans a comprehensive conservation and renewal of the Palm House, a Grade I listed Victorian glasshouse within the UNESCO World Heritage Site at Kew. The work is heritage building conservation and refurbishment (CPV 45453100), focused on preserving and renewing this internationally significant structure. Royal Botanic Gardens, Kew is the buying organisation. The location is Kew, Richmond, in the London area. This is a single planned package rather than a set of separately described workstreams, and its stated purpose is to conserve and renew the Palm House as a whole. The project concerns a landmark historic glasshouse, so its scope is specialist conservation and renewal rather than routine building maintenance.

The process is at planning: Kew has stated its intention to procure but has not issued an invitation to tender. The buyer plans to use market engagement, with a Market Engagement Questionnaire and the possibility of follow-up site visits, clarification discussions and confidential, non-binding meetings at its discretion. Responses to the questionnaire are expected by 26 October 2026; this is an engagement date, not a tender deadline. The estimated value is £25 million excluding VAT (£30 million including VAT). The planned contract period runs from 14 April 2027 to 18 April 2029. It is one lot. No award criteria or evaluation basis has yet been set out.

This project is likely to suit contractors with the specialist capability to conserve and renew major heritage buildings, particularly listed structures and historic glasshouses. Suppliers should consider whether they can manage work on an internationally significant asset within a UNESCO World Heritage Site and deliver a comprehensive conservation package, rather than a narrow refurbishment task. The scale and setting are likely to favour businesses with relevant heritage conservation experience, suitable technical teams and the capacity to coordinate a substantial, multi-year works project. The planned market engagement gives interested suppliers a chance to provide input through a questionnaire and potentially take part in further discussions or a site visit. No specific accreditation, minimum experience threshold or other qualification requirement has been stated at this planning stage.

How relevant is this notice?

Notice Information

Notice Title

Palm House Conservation Package

Notice Description

The Palm House is a Grade I listed structure situated within the UNESCO World Heritage Site at Royal Botanic Gardens, Kew and is widely recognised as one of the most significant surviving Victorian glasshouses in the world. The project will involve the comprehensive conservation and renewal of this internationally important heritage asset. To respond to this opportunity, please click here: https://www.delta-esourcing.com/respond/JW986V3FZ4

Planning Information

Interested economic operators are invited to participate via the following structured mechanisms: 1. Market Engagement Questionnaire (MEQ) All communications relating to this PMEN shall be conducted via the Delta eSourcing portal. Completed MEQs should be submitted through the portal by the deadline specified below. 2. Supplementary Engagement Activities Following review of Market Engagement Questionnaire responses, the Authority may consider undertaking further engagement activities, including site visits, clarification discussions, and confidential, non-binding meetings with respondents. Participation in any supplementary engagement activity will be at the Authority's discretion and will be undertaken in a manner that ensures transparency and equal treatment of suppliers. To respond to this opportunity, please click here: https://www.delta-esourcing.com/respond/JW986V3FZ4

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-077fc7
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/093484-2026
Current Stage
Planning
All Stages
Planning

Procurement Classification

Notice Type
UK2 - Preliminary Market Engagement Notice
Procurement Type
Standard
Procurement Category
Works
Procurement Method
Not Specified
Procurement Method Details
Not specified
Tender Suitability
Not specified
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

45 - Construction work

CPV Codes

45453100 - Refurbishment work

Notice Value(s)

Tender Value
£25,000,000 £10M-£100M
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
2 Oct 20264 days ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
14 Apr 2027 - 18 Apr 2029 2-3 years
Recurrence
Not specified

Notice Status

Tender Status
Planning
Lots Status
Planning
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
ROYAL BOTANIC GARDENS, KEW
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
RICHMOND
Postcode
TW9 3AQ
Postcode Area
Twickenham
Country
England
Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI7 Outer London - West and North West
Small Region (ITL 3)
TLI75 Hounslow and Richmond upon Thames
Delivery Location
TLI75 Hounslow and Richmond upon Thames
Local Authority
Richmond upon Thames
Electoral Ward
Kew
Westminster Constituency
Richmond Park

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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