RFP QuestBeta
OpenStage · tender

THE HORNIMAN PUBLIC MUSEUM AND PUBLIC PARK TRUST

CUE & Butterfly House Decarbonisation

ConstructionCPV 31200000
Value£900k
Deadline
Published31 Mar 2026
RegionNationwide
Who to contact
Henry Stenning
hstenning@horniman.ac.uk

The procurement contact named on the official notice.

Contract value in context
£900ktotal contract value
median £94k
this tender£0£2.3m

This is a large award for Electrical Machinery & Apparatus — above three-quarters of comparable contracts. Based on 5,617 valued Electrical Machinery & Apparatus tenders in our corpus.

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The brief

The Butterfly House and Centre for Understanding the Environment (CUE) are located within the wider Horniman Gardens site, which is a Grade II listed Park and Garden.

The CUE was constructed in 1995 and was originally intended as a temporary structure with an expected lifespan of 20 years.

The Butterfly House was constructed in 2016 as glasshouse for tropical plants and butterflies.

The Horniman wish to engage a Main Contractor who will manage and deliver the implementation of the decarbonisation of the above buildings in the listed setting.

The works will be let on the basis of traditional JCT contract intermediate form without quantities, but with some contractor design elements.

As part of the Horniman's Climate and Ecology Manifesto we have made a commitment to become Greenhouse Gas Neutral by 2040.

The key objective of this project is to move us towards this goal by doing the following: • Butterfly House: Replacing the gas cabinet air heater with air-to-air Air Source Heat Pumps (ASHPs). • Butterfly House: Thermal performance and air tightness improvement by replacing existing glass and acrylic with triple layer polycarbonate cladding to existing steel structure with new aluminum glazing bars, window and vents. • Butterfly House: Thermal performance and carbon reduction by installation of new trench heating with new Air Handling Unit and visitor path surface or as an alternative an fan-coil system • CUE: Replacing the gas boiler in the Centre for Understanding the Environment (CUE) building with air-to-water Air Source Heat Pumps. • CUE: Improve the thermal performance and air tightness improvement by draught proofing and thermal bridge mitigation including floor, wall and roof new thermal insulation. • CUE: Install Mechanical Ventilation Heat Recovery (MVHR) • Upgrading the electrical cables inside both the Butterfly House and CUE building.

Key requirements

What the supplier must deliver

01

The Horniman wish to engage a Main

The Horniman wish to engage a Main Contractor who will manage and deliver the implementation of the decarbonisation of the above buildings in the listed setting.

Derived from the notice text — always confirm against the original documents.

What this bid requires

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Source & provenance
OCID
ocds-h6vhtk-066112
Stage
tender · Open
Source
Find a Tender
Buyer ref
029636-2026
View the original notice on Find a Tender

Contains public sector information licensed under the Open Government Licence v3.0. Source data © Crown copyright.

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