Let Our Expert Commercial Plumbers Revolutionise Your Building's
Heating System
Leveraging a solid track record of 30 years, Priory Gas Heating is your go-to commercial plumbing company in London. We excel in the installation, servicing, and maintenance of commercial boilers and heating systems.
Our commercial plumbing experts specialise in the seamless implementation of plumbing and heating systems in diverse commercial spaces such as offices, schools, and churches across London and the South East, promising outstanding performance and reliable service.
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Commercial Plumbers in London
Specialising in commercial plumbing and heating engineering, our team expertly designs and constructs plant rooms, building management systems, and commercial heating systems. From 20kW to 12,000kW, our heating systems and pipework (up to 12 inches in diameter) are built to the highest standards, ensuring optimal efficiency and safety. We also offer services including the installation of plate heat exchangers and calorifiers, as well as purging, hydrostatic testing, and fault finding.
All our gas engineers are registered with Gas Safe – the UK’s official gas safety organisation – confirming their qualifications for the installation, repair, and servicing of our comprehensive range of products.
We’re also proud to have our heating engineers registered with NICEIC (National Inspection Council for Electrical Installation Contracting), the leading regulatory body for electrical installation contracting in the UK. This ensures our services meet the highest safety and quality standards.
With over 30 years of experience in the field, our highly skilled engineers are adept at installing commercial boilers and heating systems of varying scales. We’ve completed projects ranging from installing a single 27kW domestic boiler to constructing a 2mW plant room equipped with a cascade of commercial boilers. Trust us for all your commercial heating and plumbing needs.

Heating Solutions for all Businesses
Priory Gas Heating has been providing bespoke commercial boilers and heating systems for a range of commercial properties for over 30 years. Learn more about the heating systems our commercial plumbers have installed for organisations below:
Industry Leading Commercial Boilers
Priory Gas Heating is your trusted supplier, installer, and maintenance provider for a diverse range of commercial boilers. Our selection features boilers from leading manufacturers including:
Hamworthy: Catering to various space requirements, we provide everything from compact wall-hung boilers to large, 1000kW floor-standing commercial models. Hamworthy boilers are engineered for ultra-low emissions and optimal efficiency, backed by rigorous factory testing and extensive research.
Viessman: Comprising wall-hung boilers, floor-standing boilers, and commercial hot air generators, the Viessman commercial boiler range is versatile enough for a wide array of applications. Whether it’s schools, offices, factories, or workshops, Viessman boilers deliver reliable, efficient performance.
Ideal: Renowned for their energy efficiency, quality, reliability, and performance, Ideal commercial boilers come with over a century’s worth of expertise. If you’re looking to reduce your carbon footprint, an Ideal boiler is the perfect solution.

Why choose Us to Install your commercial Boiler?
Free Survey & Quotation
Request your free survey & quotation for a new commercial boiler installation or repair to existing boilers. We will provide a detailed quotation including our price, installation date and length of warranty.
Energy Efficient
Priory Gas Heating will commission your commercial boiler after installation and offer annual service and maintenance agreements to ensure your heating system runs to its optimal efficiency.
2 Year Guarantee
All boilers installed by our commercial plumbers are guaranteed for 2 years with an option to extend this guarantee for a further year giving you peace of mind that your system will be repaired or replaced.
Commercial Heating Case Studies
Take a look at our commercial heating installation case studies to see how our commercial plumbers solved their existing heating problems including an overview of the work carried out:
Google Reviews
Read reviews from our clients and learn how our commercial plumbers in London have helped to design and build their commercial heating system.
Reliable Commercial Boiler Maintenance
Priory Gas Heating offer a comprehensive range of services to keep your commercial boiler and central heating system running smoothly.
Our experienced commercial plumbers in London can carry out a one-off commercial boiler service or a comprehensive yearly contract to ensure your boilers will continue to provide you with hot water, heat and your central heating.
We service and maintain most makes of commercial boiler on an annual basis. This includes scheduled annual service and maintenance to ensure optimum efficiency and replacement of serviceable parts.
There are many benefits to undertaking regular boiler servicing and maintenance including improved efficiency, reduced risk of breakdowns, safety improvements and improved energy efficiency. Our commercial boiler servicing service is tailored to suit the needs of each individual client, all backed by our 12-month guarantee.

Commercial Boiler Commissioning
Priory Gas Heating are approved installers for Hamworthy commercial boilers. We can arrange for an engineer from Hamworthy to commission the boiler after installation.
Hamworthy Commercial Boiler commissioning ensures your new system is set to our optimum performance level, ensuring your boiler performs at maximum efficiency, thereby minimising energy consumption and running costs. It also prevents component failures and costly downtime.
Hamworthy engineers have extensive knowledge and experience of Part L commissioning criteria in new and existing buildings will help everything run smoothly, maintaining a healthy indoor environment for owners, contractors and end users.
Extend the standard two year parts warranty with labour to cover work carried out after installation, giving you additional peace of mind. It is valid for 24 months from date of the commercial boiler commissioning.
