About Us

Award winning Offsite Fabrication Specialists

Alternative Heat is a privately owned company, with over 17 years of experience and expertise in the design and build of offsite, prefabricated MEP solutions, with an annual turnover in excess of £30 million.

Offering turnkey solutions, designed and fabricated in-house, we supply to a wide range of markets throughout the UK, Ireland and mainland Europe. Our key market sectors range from Data Centres and large scale District Heating schemes, to high rise Residential and Healthcare projects.

With a focus on quality, innovation and optimising lean manufacturing, we offer robust and competitive offsite MEP solutions to our customers.

We pride ourselves on having built strong relationships with our clients over the years, with repeat business and a growing client base helping Alternative Heat to become a market leader in the provision of turnkey offsite MEP solutions throughout the UK and Europe.

Alternative Heat Head Office
Data Centre Spill and Fill Plantrooms


Over 17 Years of experience in the Offsite MEP Prefabrication industry


Inhouse BIM, mechanical, electrical, structural and controls design teams


Award winning Offsite Solutions, fabricated within 18,000sqm of state-of-the art, fabrication facilities


Operating a QMS in accordance with BS EN 9001. All prefabricated solutions QA checked and FAT tested prior to dispatch


Repeat business with existing clients and strong growth with new clients and within new sectors. Longstanding supply chain partnerships


Dedicated commissioning and aftersales teams providing commissioning, technical and O&M aftersales support

Benefits of Offsite Construction


  • Reduced time onsite & improved programme
  • Predictable completion dates
  • Improved levels of productivity

  • Less waste onsite & reduced disposal costs
  • Less deliveries to site
  • Reduced environmental impact
  • COST

  • Cost certainty and reduced commercial risk
  • Reduced construction time & onsite prelims
  • Improved quality with offsite QA & FAT tests

  • Fewer personnel on site, mitigating H&S risks
  • Reduced onsite height & hot works
  • Factory controlled construction environment

  • Less noise, pollution and disruption on site
  • Less deliveries, supervision & prelims on site
  • Less space for storage and waste removals

  • Factory controlled construction environment
  • Offsite QA & FAT testing prior to dispatch
  • Mitigate damage with ‘just in time’ delivery