Winnable

Open tenders / Building maintenance & repairs

Open tender · Notice 096140-2026

Replacement of Steam Boilers

MHRA

Value
£5.8m
Closes
20 Nov 2026 (36 days)
Where
UK-wide
Lots
1
Suitable for SMEs
Not stated
Contract
11 Jan 2027 – 10 Apr 2028

In plain English

MHRA wants a contractor to design, supply, install, test, commission and hand over new electric steam-boiler systems at its laboratories in South Mimms, Potters Bar, Hertfordshire, replacing three gas-fired boilers with two electric ones. The work runs from 11 January 2027 to 10 April 2028, with bids due by 20 November 2026.

Good fit for: Mechanical and electrical contractors experienced in boiler replacement and installation on live, operational sites.

The catch (with the notice's own words):
  • Must price under NEC3 ECC Main Option A contract form obtain a transparent and comparable activity-schedule price under NEC3 ECC Main Option A
  • Must deliver measurable social-value commitments secure measurable social-value commitments relevant to the contract and local delivery
  • Work on a live, operational medical-research site with access restrictions The site is a live operational medical-research facility.

Written with AI from the official notice. Check the notice before relying on it.

What the buyer says

MHRA invites tenders for the detailed design, supply, installation, testing, commissioning and handover of replacement steam-boiler systems at MHRA Laboratories, Blanche Lane, South Mimms, Potters Bar, Hertfordshire EN6 3QG. The contract will be awarded to the supplier submitting the most advantageous tender in accordance with the published award criteria and assessment methodology in this ITT. The works form South Mimms Electric Steam Boiler Project and are intended to replace three existing individual 3,900 kg/h gas-fired steam boilers with two individual 3,000 kg/h electric steam boilers, together with the associated mechanical, electrical, controls, building, civil and enabling works. The site is a live operational medical-research facility. Maintaining safe operations, continuity of steam, electrical resilience and controlled access is fundamental to the delivery approach. The objectives are; • deliver a safe, coordinated and maintainable replacement steam-boiler installation without unacceptable disruption to the live site; • secure a technically credible design and executable programme covering design, enabling works, installation, testing, commissioning and handover; • obtain a transparent and comparable activity-schedule price under NEC3 ECC Main Option A; • allocate interface, access, electrical-capacity, continuity and commissioning risks clearly; • secure measurable social-value commitments relevant to the contract and local delivery; and • appoint a contractor capable of collaborative NEC delivery, disciplined change control and complete handover.

Procedure: Open procedure (Open: anyone can bid, in one stage). Published 12 Oct 2026.

Similar open tenders

Want tenders like this, matched to your firm?

Winnable emails the few new tenders that fit you each weekday, with the catch spelled out. £29/month after a 14-day free trial (card needed to start, nothing charged during it).

Start free trial