Boiler Plantroom Refurbishment Works at Colley House, Uxbridge
The procurement contact named on the official notice.
All tender documents will be made available via the tender portal: https://supplierlive.proactisp2p.com
The submission route named on the official notice.
This sits in the upper-middle of the Construction band — a substantial contract for the sector. Based on 64,002 valued Construction tenders in our corpus.
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.
What the supplier must deliver
The Contractor shall provide all labour, materials
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.
All works shall comply with current Building
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
Hillingdon will enter into a contract with the successful Contractor(s) which shall be based on JCT 2024 Minor Works Contract with Contractors Design.
Derived from the notice text — always confirm against the original documents.
What it takes to bid this
Typical UK bid effort for the £100k–£1m band — an estimate, not a quote.
Qualify & bid/no-bid ~10% · SQ / PQQ ~20% · Written response ~55% · Review & presentation ~15%
Typical for this category — confirm against the ITT pack
- Hold at bidSSIP-family accreditation (CHAS / Constructionline)
- Hold at bidISO 45001 / H&S policy & CDM competence
- Show at bidNamed site & contract managers with CVs
- Show at bidComparable references / case studies
- Hold at bidFinancial standing (accounts, often ~2× contract value turnover)
- Hold at bidInsurance cover (PL / EL, often PI)
- Show at bidSocial value commitments
Hold at bid = pass/fail conditions of participation. Show at bid = scored in the quality response. Plan for delivery = contract obligations from day one.
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- OCID
- ocds-h6vhtk-06c63a
- Stage
- tender · Open
- Source
- Find a Tender
- Buyer ref
- 068984-2026
Contains public sector information licensed under the Open Government Licence v3.0. Source data © Crown copyright.
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