---
title: "Boiler Plantroom Refurbishment Works at Colley House, Uxbridge"
ocid: "ocds-h6vhtk-06c63a"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06c63a"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-06c63a.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-06c63a.json"
source: "Find A Tender Service"
current_stage: "Tender"
buyer: "LONDON BOROUGH OF HILLINGDON"
published: "2026-07-08"
---

# Boiler Plantroom Refurbishment Works at Colley House, Uxbridge

Buyer: LONDON BOROUGH OF HILLINGDON  
Current stage: Tender  
OCID: ocds-h6vhtk-06c63a

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## Summary

The London Borough of Hillingdon is inviting tenders for boiler plantroom refurbishment works at Colley House, Uxbridge, with a focus on replacing the communal boiler plant and associated systems. This procurement falls under the 'works' category within the construction industry, specifically related to boiler installations and maintenance. The tender process, initiated on 8th July 2026, follows an open competition method below the threshold. The submission deadline is set for 29th July 2026. This active tender is a part of the sub-central government public authority's procurement efforts, adhering to the JCT 2024 Minor Works Contract with Contractor’s Design. The total contract value is estimated at £300,000 excluding VAT (£360,000 including VAT), and the contract period spans from 1st March 2027 to 1st September 2027.

This tender presents a significant opportunity for qualified Boiler Contractors with experience in heating infrastructure refurbishment to expand their business. The works offer chances for companies specialising in boiler installation, gas infrastructure, and mechanical and electrical services to showcase their expertise and gain visibility in the public sector. Given the project's scope, small and medium-sized enterprises (SMEs) are also encouraged to participate, provided they have the capability to deliver a fully operational system and manage resident liaison services. By participating in this project, businesses can enhance their portfolio and establish a working relationship with the London Borough of Hillingdon, aiding in potential future collaborations.

## Notice

The London Borough of Hillingdon (the Council) invites tenders from suitably qualified and experienced Boiler Contractors in relation to entering into an agreement for the works of the complete refurbishment of the existing communal boiler plantroom and associated heating infrastructure at Colley House. The works comprise the complete refurbishment of the existing communal boiler plantroom and associated heating infrastructure at Colley House. The Contractor shall provide all labour, materials, plant, equipment, supervision, temporary works, testing, commissioning, certification, documentation, builder's works and resident liaison services necessary to deliver a fully operational heating and hot water system. The works include: * Replacement of the existing boiler plant. * Replacement of associated mechanical and electrical services. * New gas infrastructure and gas safety systems. * New Trend BMS controls. * New plantroom ventilation system. * New water treatment and pressurisation equipment. * Replacement of 84 Heat Interface Units (HIUs) within occupied dwellings. * Removal of redundant equipment and associated builders' works. * Issuing temporary 3kw fan / Oil heaters to residents and Lease Holders if required or total emergency loss of plantroom equipment. All works shall comply with current Building Regulations, British Standards, Gas Safety Regulations, CIBSE Guidance, manufacturers' recommendations and all other statutory requirements. Hillingdon will enter into a contract with the successful Contractor(s) which shall be based on JCT 2024 Minor Works Contract with Contractors Design.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/064147-2026 |
| Notice type | UK4 - Tender Notice |
| Procurement type | Standard |
| Procurement category | Works |
| Procurement method | Open |
| Procurement method details | Below threshold - open competition |
| Tender suitability | SME |
| Awardee scale | Not specified |
| All stages | Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 8 Jul 2026 |
| Submission deadline | 29 Jul 2026 |
| Future notice date | Not specified |
| Award date | Not specified |
| Contract period | 1 Mar 2027 - 1 Sep 2027 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £300,000 |
| Lots value | £300,000 |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

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

## CPV Codes

### Divisions

- 42 - Industrial machinery
- 44 - Construction structures and materials; auxiliary products to construction (except electric apparatus)
- 45 - Construction work

### Codes

- 42160000 - Boiler installations
- 44621200 - Boilers
- 45259300 - Heating-plant repair and maintenance work
- 45331110 - Boiler installation work

## Release History

- 8 Jul 2026 at 11:15 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/064147-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/064147-2026
  8th July 2026 - Tender notice on Find a Tender

## Notice URLs

- https://supplierlive.proactisp2p.com
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## 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-06c63a. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-06c63a.json.