---
title: "Domestic Gas Heating Systems - Installation and Servicing"
ocid: "ocds-h6vhtk-060b3b"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-060b3b"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-060b3b.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-060b3b.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "LONDON BOROUGH OF HILLINGDON"
published: "2026-07-06"
---

# Domestic Gas Heating Systems - Installation and Servicing

Buyer: LONDON BOROUGH OF HILLINGDON  
Current stage: Award  
OCID: ocds-h6vhtk-060b3b

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## Summary

The London Borough of Hillingdon recently awarded a contract on 25th June 2026 for the project titled "Domestic Gas Heating Systems - Installation and Servicing", under an open procurement procedure. This contract focuses on the installation and maintenance of gas heating systems in approximately 10,000 tenanted council properties in Uxbridge, within the United Kingdom region UKI74. The contract, awarded to Oakray Limited, is valued at a gross amount of £18,343,012 and will span a period from 25th September 2026 to 24th September 2030, with a possible extension until 2032 based on performance. The procurement stage was the award, following a successful tender process that included several other eligible suppliers. Key dates included the tender period ending on 1st April 2026 and the published award notice date on 6th July 2026.

This procurement presents significant business growth opportunities, particularly for service providers specialising in mechanical engineering services related to boilers and heating systems. Small and medium-sized enterprises (SMEs) in the gas, heating, and service industries can find potentially rewarding opportunities to expand their market presence by engaging in future tenders similar to this, due to the high demand for maintenance and installation services stipulated in the contract. The contract requirements include annual servicing, safety inspections, and reactive maintenance work, making it an ideal opportunity for businesses with Gas Safe registered engineers and experience in comprehensive breakdown repair services. Moreover, the open procedure allows for significant participation from qualified tenderers offering competitive pricing and quality services.

## Notice

The London Borough of Hillingdon (Hillingdon) currently manages and maintains the domestic gas installations of approximately 10,000 tenanted Council properties. The objectives of this contract are to appoint one service provider (contractor) to carry out the servicing, responsive breakdown maintenance, installation 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. The works will consist of: * The annual Landlords Gas Safety Inspection and issue of (L.G.S.R.) * Service of London Borough of Hillingdon's Gas fired Appliances - annually (domestic appliances) * Gas safety checks for void properties and re-commissioning Semi comprehensive breakdown and repair cover 24 hour service (3 star) all year round * Other responsive repairs and replacement works as required and as priced in the Pricing Schedule * Reactive boiler installations (to specification) when approved by LB Hillingdon. The London Borough of Hillingdon provides no guarantee regarding the volume of works/services to be instructed under this Contract.

### 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.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/063082-2026 |
| Notice type | UK6 - Contract Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Open procedure |
| Tender suitability | SME |
| Awardee scale | Large |
| All stages | Planning, Tender, Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 6 Jul 2026 |
| Submission deadline | 1 Apr 2026 |
| Future notice date | 6 Mar 2026 |
| Award date | 24 Jun 2026 |
| Contract period | 24 Sep 2026 - 24 Sep 2030 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £14,000,000 |
| Lots value | £14,000,000 |
| Awards value | £15,285,844 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Active |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | LONDON BOROUGH OF HILLINGDON |
| Locality | UXBRIDGE |
| Post town | Southall |
| Postcode | UB8 1UW |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI7 Outer London - West and North West |
| ITL 3 | TLI74 Harrow and Hillingdon |
| Local authority | Hillingdon |
| Electoral ward | Uxbridge |
| Westminster constituency | Uxbridge and South Ruislip |
| Delivery location | TLI74 Harrow and Hillingdon |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | OAKRAY |

## CPV Codes

### Divisions

- 45 - Construction work
- 50 - Repair and maintenance services

### Codes

- 45331110 - Boiler installation work
- 50531100 - Repair and maintenance services of boilers

## Release History

- 6 Jul 2026 at 08:47 - Award - UK6 - Contract Award Notice - https://www.find-tender.service.gov.uk/Notice/063082-2026
- 6 Mar 2026 at 15:56 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/020570-2026
- 21 Jan 2026 at 14:25 - PlanningUpdate - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/005352-2026
- 21 Jan 2026 at 14:20 - Planning - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/005348-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/063082-2026
  6th July 2026 - Contract award notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/020570-2026
  6th March 2026 - Tender notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/005352-2026
  21st January 2026 - Preliminary market engagement notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/005348-2026
  21st January 2026 - Preliminary market engagement notice on Find a Tender

## Notice URLs

- http://WWW.SUNREALM.CO.UK
- http://energysavinggroup.net/
- http://www.axiseurope.com
- http://www.bsw-heating.com
- http://www.gemebs.com
- http://www.oakray.co.uk
- http://www.ocolimited.co.uk
- http://www.renuvo.co.uk
- http://www.robertheath.co.uk
- http://www.smithandbyford.com
- http://www.tbrown.com
- http://www.thermoserv.co.uk
- http://www.tsgplc.com
- https://berksinsulation.com/
- https://e-green.co.uk/
- https://supplierlive.proactisp2p.com
- https://supplierlive.proactisp2p.com/
- https://www.elevateeverywhere.com/
- https://www.legislation.gov.uk/ukpga/2023/54/contents
- https://www.re-genmandeservices.com/
- https://www.sureserve.co.uk/sureserve-compliance/
- https://www.villageheating.co.uk/

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-060b3b. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-060b3b.json.