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Domestic Gas Heating Systems - Installation and Servicing

London Borough of Hillingdon

This public procurement record has 5 releases in its history.

Award

13 Aug 2026 at 11:40

UK7 - Contract Details Notice
Award

06 Jul 2026 at 09:47

UK6 - Contract Award Notice
Tender

06 Mar 2026 at 15:56

UK4 - Tender Notice
PlanningUpdate

21 Jan 2026 at 14:25

UK2 - Preliminary Market Engagement Notice
Planning

21 Jan 2026 at 14:20

UK2 - Preliminary Market Engagement Notice
Summary of the contracting process

London Borough of Hillingdon appointed a contractor for domestic gas heating systems across Hillingdon. The service covers servicing, responsive breakdown maintenance and remedial works for the council’s gas-fired appliances, central-heating installations and hot-water systems. Its purpose is to keep these assets legally compliant, safe and serviceable under current gas safety, installation and use regulations. The work includes boiler installation and boiler repair and maintenance services. This is a public-sector housing and building-services requirement suited to heating, mechanical and electrical services contractors operating in Hillingdon. The council is the buyer and the requirement is for one service provider responsible for the whole service.

This awarded procurement used an open procedure. The tender closed on 1 April 2026 at 13:00, the award period ended on 17 July 2026, and 19 valid bids were received. Oakray Limited was awarded the contract on 25 June 2026 for £15,285,844 excluding VAT (£18,343,012 including VAT). The contract was signed on 23 July 2026 and runs from 25 September 2026 to 24 September 2030, with an option to extend to 24 September 2032, subject to performance and council requirements. Bids were evaluated equally on quality and commercial price, each weighted at 50%. The contract is active and the tender status is complete. The requirement was a single lot and was above the applicable threshold.

This procurement demonstrates substantial, recurring demand from Hillingdon for an integrated domestic heating compliance and maintenance service. Suppliers competing for comparable work with this buyer would need capability in planned servicing, responsive breakdowns, remedial repairs, boiler installation and central-heating and hot-water systems. Gas Safe Registration and ACS qualifications, including CCN1 and relevant appliance modules or equivalents, were specified as technical pass/fail requirements. Credible competitors would also need to manage legally compliant gas work, service quality, first-time fixes and timely job completion across a sizeable council asset base. The field attracted 19 valid bids, including 14 from SMEs, indicating that both established larger contractors and suitably resourced smaller heating specialists can compete. Strong quality systems and commercial pricing were equally important in the evaluation.

How relevant is this notice?

Notice Information

Notice Title

Domestic Gas Heating Systems - Installation and Servicing

Notice Description

The objectives of this contract are to appoint one service provider (contractor) to carry out the servicing, responsive breakdown maintenance and remedial works to maintain London Borough of Hillingdon's' gas fired appliances, central heating and hot water system installations in a legally compliant and serviceable condition and to the current Gas Safety, Installation and use Regulations.

Lot Information

Lot 1

Renewal: The contract will be for 4 years with the option to extend for a further 2, making a maximum of 6 years, subject to contractor performance and requirements of the Council.

Planning Information

Expressions of interest should be sent to: psoward@hillingdon.gov.uk Please quote "Boiler Contract" in the email title. (do not include any marking material) You will then be sent a short market engagement questionnaire, please then complete and return this by the stated deadline. We would encourage all interested parties to register for free at https://supplierlive.proactisp2p.com/ where this opportunity will be advertised if we proceed to tender.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-060b3b
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/077163-2026
Current Stage
Award
All Stages
Planning, Tender, Award

Procurement Classification

Notice Type
UK7 - Contract Details Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Open
Procurement Method Details
Open procedure
Tender Suitability
SME
Awardee Scale
Large

Common Procurement Vocabulary (CPV)

CPV Divisions

45 - Construction work

50 - Repair and maintenance services

CPV Codes

45331110 - Boiler installation work

50531100 - Repair and maintenance services of boilers

Notice Value(s)

Tender Value
£14,000,000 £10M-£100M
Lots Value
£14,000,000 £10M-£100M
Awards Value
£15,285,844 £10M-£100M
Contracts Value
£15,285,844 £10M-£100M

Notice Dates

Publication Date
13 Aug 20261 months ago
Submission Deadline
1 Apr 2026Expired
Future Notice Date
6 Mar 2026Expired
Award Date
25 Jun 20263 months ago
Contract Period
25 Sep 2026 - 24 Sep 2030 4-5 years
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Active
Contracts Status
Active

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
London Borough of Hillingdon
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
UXBRIDGE
Postcode
UB8 1UW
Postcode Area
Southall
Country
England
Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI7 Outer London - West and North West
Small Region (ITL 3)
TLI74 Harrow and Hillingdon
Delivery Location
TLI74 Harrow and Hillingdon
Local Authority
Hillingdon
Electoral Ward
Uxbridge
Westminster Constituency
Uxbridge and South Ruislip

Supplier Information

Number of Suppliers
1
Supplier Name

Oakray Limited

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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