Head of Design - Decarbonisation
Alternative Heat
Company Overview
Alternative Heat Limited
Banbridge, United Kingdom
2005
Approximately 200 employees (source: endole.co.uk). Revenue of £46.9 million in FY 2024 (source: endole.co.uk).
What They Do
Alternative Heat focuses on offsite prefabricated mechanical, electrical, and plumbing (MEP) systems, specializing in decarbonization solutions through modern construction methods. With over 19 years of experience, the company has established itself as a market leader in commercial offsite fabrication, providing a range of services including design, fabrication, supply, installation, and commissioning of bespoke modular MEP solutions (source: growjo.com). Their offerings include renewable heating systems such as biomass boilers, ground source heat pumps, air source heat pumps, and solar panels, catering to domestic, commercial, and industrial applications. As an MCS-registered supplier, they ensure high standards in their products and services (source: zoominfo.com). The company operates from facilities equipped with advanced technology and ample workshop space, supported by a skilled workforce including design engineers and CAD technicians (source: growjo.com). Their target markets span the public and private sectors across the UK, Ireland, and Europe, focusing on scalable, high-quality turnkey projects that align with carbon reduction and net zero goals (source: youtube.com).
Projects & Track Record
Alternative Heat has built a robust portfolio of turnkey projects in the decarbonization and off-site modular MEP sectors, delivering solutions across Ireland, the UK, and Europe. While specific project names, capacities, or costs are not detailed in available records, the company emphasizes its commitment to continuous improvement and best-in-class delivery for both new and repeat clients (source: youtube.com). Their operations are supported by established supply chains and regional offices, including a significant operations hub in Scotland, which enhances their geographic reach (source: growjo.com). The company’s focus on prefabricated solutions positions it well for growth, as it serves clients pursuing net zero initiatives (source: youtube.com). However, detailed information on specific completed projects, such as named installations with MW capacities, is limited in the public domain, which restricts the ability to provide a comprehensive track record (source: rocketreach.co).
Recent Developments
In the financial year ending 31 March 2024, Alternative Heat reported a significant turnover increase to £46.9 million, marking a 48% rise from the previous year (source: endole.co.uk). Employee growth has also been notable, with numbers reaching approximately 206, reflecting a 37% increase (source: endole.co.uk). A promotional video released on 17 July 2025 highlighted the company's role in decarbonization and modular MEP, showcasing their scalable solutions and European reach (source: youtube.com). Corporate filings have included full accounts submitted for the year ending 31 March 2023, with updates on confirmation statements and changes in significant control details (source: endole.co.uk). However, there have been no major contracts, acquisitions, or awards reported in the last two years, indicating a focus on internal growth and operational stability (source: endole.co.uk).
Working There
Alternative Heat offers a variety of roles across multiple departments, including procurement, HR, finance, operations, health and safety, and legal, with department heads overseeing specialized teams (source: growjo.com). The company is led by Managing Director Connel McMullan, and hiring primarily occurs at their Banbridge headquarters and prefabrication sites, with a focus on regional opportunities in Scotland (source: rocketreach.co). The culture at Alternative Heat emphasizes expertise, innovation, and continuous improvement, with a commitment to safety and client satisfaction driving their operational ethos (source: growjo.com). While specific employee benefits are not documented, the company’s investment in facilities and technology has contributed to significant annual growth rates ranging from 26% to 37% (source: youtube.com).
Last updated on May 22, 2026 | Report an issue
As part of our mission to drive the transition to renewable and low-carbon energy solutions, we are excited to announce an opportunity for a Head of Design to join our team. This pivotal role will shape the future of sustainable energy delivery across a diverse portfolio of public and commercial sectors.
We provide fully integrated design, build, and operational solutions for commercial energy centres and large-scale district heating schemes, drawing on extensive experience delivering similar projects for public sector clients across the UK and Ireland. We take genuine pride in the long-standing relationships we have built, working closely with our clients as trusted partners and continuing to support them on their journey toward net zero.
Role Overview
The Head of Design - Decarbonisation is responsible for leading an in-house, multi-disciplinary design team to develop compliant, commercially viable decarbonisation solutions for large commercial and public sector buildings across the UK and Ireland. The role provides technical and strategic leadership on net zero building services design, ensuring solutions are robust, buildable, and aligned with client, regulatory and funding requirements.
Job Title | Head of Design - Decarbonisation
Location | Banbridge / Mallusk
Hours | Monday-Thursday 8am-5pm and Friday 8am-3pm
Salary | Competitive Depending on Experience
Responsible to | Associate Director
What You'll be Doing
This role leads the development and delivery of MEP design strategies for large-scale commercial estate decarbonisation projects, overseeing the full project lifecycle from opportunity assessment and options appraisal through to concept and detailed design. It involves managing and mentoring a multidisciplinary team of MEP engineers while driving the creation of whole-building net zero solutions, including heat pumps, electrification, district energy systems, renewable integration, controls optimisation, and demand management. The position ensures compliance with UK and Irish regulations and industry standards, provides robust design governance and technical assurance, and continuously improves design tools, methodologies, and digital workflows. Working closely with commercial, delivery, and operational teams, the role translates sustainability objectives into practical performance targets, supports the development of net zero roadmaps and business cases, and maintains expertise in emerging technologies, policy developments, and carbon reporting frameworks. It also establishes and monitors design performance KPIs to drive quality, efficiency, and continuous improvement across the design function.
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Apply now
Job expired?Please let Alternative Heat know you found this job on Rejobs. It helps us grow and get more people working in renewable energy.
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About the role
June 23, 2026
Full time
Company
June 23, 2026
On-site
Solar Energy , Wind Energy , Hydropower , Bioenergy , Energy Storage , Geothermal Energy
- Banbridge, United Kingdom
- Mallusk, United Kingdom
UTC+01:00
