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PROCUREMENT OPPORTUNITY

IWM/2526/FM/3462: Ground Source Heat Pump in Hangar 4 at IWM Duxford

Imperial War Museums · Tender notice on Find a Tender

Tender information last checkedLast checked 30 Sept 2026, 08:14.

Opportunity overview

Imperial War Museums (IWM) is seeking a qualified contractor to deliver the next phase of its low-carbon heating strategy at IWM Duxford. This project involves the installation of a ground source heat pump (GSHP) system in Hangar 4, replacing the existing oil-fired boiler serving office areas on both the north and south sides of the hangar. Phases 1 and 2 of IWM’s GSHP implementation have successfully covered Hangars 2, 3, 5, and Buildings 200 and 74. Heat energy is sourced from underground water via bored holes on-site, transferred through plate heat exchangers in Building 68, and distributed via an ambient loop. Phase 3 (the current tender) will connect to the existing ambient loop infrastructure already in place from previous phases. The scope includes detailed design development (based on a novated preliminary design), procurement, installation, and commissioning of all associated plant and equipment. A back-up electric boiler capable of meeting 100% of the heat load will also be integrated. All equipment will be housed within the designated plantroom. Access Code : 4E67D4UP37 This initiative supports IWM’s broader commitment to sustainability, energy efficiency, and climate action, aiming to reduce operational costs and set a benchmark for environmentally responsible practices in heritage and public sector buildings. To view this notice, please click here: https://www.delta-esourcing.com/delta/viewNotice.html?noticeId=994814099

Awarded to

Amounts belong to published awards or contracts. Where several suppliers share one value, it is labelled as shared and is not a supplier-specific allocation.

Finn Geotherm UK Ltd

Match pending…
Published award value
£258.2k
Awarded
29 Oct 2025
Award ID
1
Status
active
Location
Attleborough, Norfolk, UKH17, NR17 1AJ, United Kingdom

Classification

  • CPV42511110 — Heat pumps
  • CPV45251141 — Geothermal power station construction work
  • CPV45331000 — Heating, ventilation and air-conditioning installation work
  • CPV71320000 — Engineering design services

Lots

  • Lot 1£150.9k

Documents and notices

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
FM3462
Status
complete
Above Threshold
No
Procurement Method
open
Main Procurement Category
works
Procurement Method Details
Below threshold - open competition

Legal basis

Id
2023/54
Scheme
UKPGA

Tender Period

Ends
19 Sept 2025, 12:00

Enquiry period

Ends
12 Sept 2025, 12:00

Submission terms

Electronic Submission Policy
allowed

Lots and requirements

Entry 1
Id
1
Status
complete

Value

Amount
150,884
Currency
GBP
Including VAT
181,061

Suitability

Sme
Yes

Award criteria

Criteria

Criterion 1
Name
Programme
Type
quality

Numbers

Entry 1
Number
15
Weight
percentageExact
Criterion 2
Name
Management of Technical Installation
Type
quality

Numbers

Entry 1
Number
15
Weight
percentageExact
Criterion 3
Name
Management / Organisation
Type
quality

Numbers

Entry 1
Number
15
Weight
percentageExact
Criterion 4
Name
Team
Type
quality

Numbers

Entry 1
Number
10
Weight
percentageExact
Criterion 5
Name
Sustainability
Type
quality

Numbers

Entry 1
Number
5
Weight
percentageExact
Criterion 6
Name
Cost
Type
cost

Numbers

Entry 1
Number
40
Weight
percentageExact

Contract period

Ends
6 Feb 2026, 23:59
Starts
10 Oct 2025, 00:00

Items and delivery

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Id
42511110
Scheme
CPV
Description
Heat pumps
Entry 2
Id
45251141
Scheme
CPV
Description
Geothermal power station construction work
Entry 3
Id
45331000
Scheme
CPV
Description
Heating, ventilation and air-conditioning installation work
Entry 4
Id
71320000
Scheme
CPV
Description
Engineering design services

Published documents

Entry 1
Id
050906-2025
Format
text/html
Notice Type
UK4
Description
Tender notice on Find a Tender
Document Type
tenderNotice
Published
22 Aug 2025, 14:05

Buyer, suppliers and contacts

Organisation 1
Id
GB-PPON-PHRL-5691-LLXM
Name
Imperial War Museums

Roles

buyer

Address

Region
UKI44
Country
GB
Locality
London
Postal Code
SE1 6HZ
Country Name
United Kingdom
Street Address
IWM London, Lambeth Road

Details

Classifications

Entry 1
Id
publicAuthorityCentralGovernment
Scheme
UK_CA_TYPE
Description
Public authority - central government

Identifier

Id
PHRL-5691-LLXM
Scheme
GB-PPON

Contact

Telephone
0207 416 5000
Organisation 2
Id
GB-FTS-166722
Name
Finn Geotherm UK Ltd

Roles

supplier

Address

Region
UKH17
Country
GB
Locality
Attleborough, Norfolk
Postal Code
NR17 1AJ
Country Name
United Kingdom
Street Address
Wood Farm, Deopham Road

Details

Vcse
No
Scale
large

Contact

Award information

Award 1
Id
1
Date
29 Oct 2025, 00:00
Status
active
Above Threshold
No
Main Procurement Category
works

Items

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Id
42511110
Scheme
CPV
Description
Heat pumps
Entry 2
Id
45251141
Scheme
CPV
Description
Geothermal power station construction work
Entry 3
Id
45331000
Scheme
CPV
Description
Heating, ventilation and air-conditioning installation work
Entry 4
Id
71320000
Scheme
CPV
Description
Engineering design services

Value

Amount
258,235.12
Currency
GBP
Including VAT
309,882.14

Documents

Entry 1
Id
074347-2025
Format
text/html
Notice Type
UK6
Description
Contract award notice on Find a Tender
Document Type
awardNotice
Published
17 Nov 2025, 12:05

Suppliers

Supplier 1
Id
GB-FTS-166722
Name
Finn Geotherm UK Ltd

Milestones

Entry 1
Id
1
Type
futureSignatureDate
Status
scheduled
Due
17 Nov 2025, 23:59

Related lots

1

Contract period

Ends
6 Mar 2026, 23:59
Starts
18 Nov 2025, 00:00

Recorded locations

  • Buyer location · London · UKI44 · SE1 6HZ · United Kingdom

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. ocds-h6vhtk-058cef-2025-11-17T12:05:29ZTender notice on Find a Tender ·