Hannah More School
Bristol
Transformed the existing natural gas-fired heating system at the school and connected the building to the Old Market phase of the city-wide low-carbon heat network.
Client · Bristol City Council
About from company website
ThermaMech specialises in the design, installation, and commissioning of district energy networks, including energy centres, distribution networks, and energy interfaces. Founded in 2013, the company has developed a strong focus on providing future-proofed, turnkey solutions that maximise energy efficiency and deliver value. Their team comprises skilled in-house design and engineering staff, alongside directly employed mechanical and civil trade operatives, supported by a network of specialised subcontractors.
With a proven track record of delivering hundreds of UK projects, ThermaMech offers a 360-degree approach that eliminates scope gaps and associated risks. They are committed to accelerating the installation of efficient energy schemes, playing an essential part in the UK's pathway to Net Zero Carbon. Their values of being efficient, focused, trusted, responsible, and agile guide their approach to every project, ensuring high-quality results and positive long-term client relationships.
The company's expertise spans energy generation, harnessing waste from sectors like data centres and waste plants, to energy distribution for city-wide and localised projects, and the installation of energy substations and heating interface units. They pride themselves on their self-driven model, bringing the whole process in-house and guaranteeing projects are led and delivered by a senior team working directly with clients.
Services
Works as
Sectors
Project experience from company website
King's Cross
Central London
A landmark, 67 acre redevelopment of a major Central London location, making the successful implementation of a district energy solution, one of the UK's most impactful and visible projects.
Redcliffe Social Housing
Bristol
Transformed the heating systems of seven occupied buildings within budget, on schedule and with no unplanned down time as part of the decarbonisation of Bristol's social housing portfolio.
Silvertown
Entrusted with the turnkey installation of a District Heating Network (DHN) that will become an integral part of E.ON's pioneering Silvertown Ectogrid™ network.
Client · E.ON
Exeter Energy Network
Exeter
Delivering the below ground pipework and infrastructure for the Exeter Energy Network.
Client · 1Energy and Exeter Energy Limited
Bradford Energy Network
Bradford
Installing the most cost effective, low-to-zero carbon heating solution, and laying the groundwork to enable the city to fulfil its ambition to be the UK's leading Clean Growth City.
Client · Bradford Energy Network
Coronation Square
Leyton, East London
Installed and commissioned an energy-efficient heating network to serve 750 homes, as a core component of a major community regeneration project.
Barking Energy Centre
Barking Town Centre
Designed to supply low-carbon, affordable energy to 10,000 new homes and businesses in Barking through a new Energy Centre.
Central Health Clinic
Bristol
Transformed the Central Health Clinic's heating system, connecting it to the city's low-carbon heat network as part of the decarbonisation strategy of University Hospitals Bristol & Weston NHS Trust.
Client · University Hospitals Bristol & Weston NHS Trust, Bristol City Council
Accreditations from company website
- ISO 9001
- ISO 14001
- ISO 45001
Clients mentioned from company website
Bristol City Council, E.ON, 1Energy, Exeter Energy Limited, Bradford Energy Network, University Hospitals Bristol & Weston NHS Trust.
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Questions about Therma-Mech Developments Ltd from the record on this page
What does Therma-Mech Developments Ltd do?
District energy specialists providing turnkey solutions with unrivalled expertise in the design and installation of district heating networks. Maximising energy efficiency and delivering value since 2013. Their listed services include Design & build, Civil engineering, Heating & ventilation and M&E contracting.
Where is Therma-Mech Developments Ltd based?
Therma-Mech Developments Ltd is registered at Cargo Work, Cumberland Road, Bristol, BS1 6ZU, in South West.
What areas does Therma-Mech Developments Ltd cover?
Therma-Mech Developments Ltd states that it works across Nationwide.
How many people work at Therma-Mech Developments Ltd?
Accounts filed for the year to 2025 report 35 employees, which places the company in the 10-49 employees band.
What is Therma-Mech Developments Ltd's turnover?
Therma-Mech Developments Ltd reported turnover of £24.3m in accounts filed for the year to 2025.
Is Therma-Mech Developments Ltd still trading?
Companies House lists Therma-Mech Developments Ltd as active, with accounts most recently made up to 2025-06-30.
What accreditations does Therma-Mech Developments Ltd hold?
Therma-Mech Developments Ltd displays ISO 9001, ISO 14001 and ISO 45001 on its website.
What sectors does Therma-Mech Developments Ltd work in?
Therma-Mech Developments Ltd works in Residential, Commercial, Infrastructure and Energy.
When was Therma-Mech Developments Ltd established?
Therma-Mech Developments Ltd was incorporated on 2016-11-22, though the company says it has traded since 2013.