• Commercial Boiler Installation
  • Commercial Boiler Servicing
  • Commercial Boiler Repairs
  • Plantroom Design & Build
  • Gas Safe & NICEIC Registered



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As specialists in commercial plumbing and heating engineering, our team at Priory Gas Heating is dedicated to delivering exceptional services in the design and construction of plant rooms, building management systems, and commercial heating systems. With a focus on quality and performance, we provide solutions that range from 20kW to 12,000kW, ensuring optimal efficiency and safety. Our expertise extends to pipework, with the capability to handle diameters up to 12 inches, all built to the highest industry standards.

In addition to our comprehensive range of services, we offer specialised installations such as plate heat exchangers and calorifiers. Our team is skilled in tasks like purging, hydrostatic testing, and fault finding, ensuring that every aspect of your heating system is meticulously addressed.

At Priory Gas Heating, the qualifications and certifications of our team are of utmost importance. All our gas engineers are registered with Gas Safe, the official gas safety organisation in the UK. This confirms their expertise in installation, repair, and servicing, providing you with the assurance that our range of products meets the highest safety standards.

Furthermore, our heating engineers are registered with NICEIC, the leading regulatory body for electrical installation contracting in the UK. This affiliation ensures that our services consistently meet the most stringent safety and quality standards, providing you with peace of mind.

With over 30 years of experience in the field, our highly skilled engineers have successfully completed projects of various scales. From single 27kW domestic boiler installations to the construction of 2mW plant rooms equipped with cascades of commercial boilers, we have the expertise to handle diverse and demanding projects.

When it comes to your commercial heating and plumbing needs, trust Priory Gas Heating to deliver outstanding results. Contact us today to discuss your requirements and experience our commitment to excellence in every aspect of our work.


Experience unmatched quality and reliability with Priory Gas Heating, your premier supplier, installer, and maintenance provider for a wide range of industry-leading commercial boilers. We proudly offer a diverse selection from renowned manufacturers, ensuring exceptional performance and energy efficiency for your commercial heating needs. 
Hamworthy: As an authorised distributor, we bring you a comprehensive range of Hamworthy commercial boilers designed to meet various space requirements. From compact wall-hung boilers to powerful 1000kW floor-standing models, Hamworthy boilers are engineered with a focus on ultra-low emissions and optimal efficiency. Each unit undergoes rigorous factory testing and incorporates cutting-edge technology developed through extensive research.
Viessman: Our selection includes an extensive range of Viessman commercial boilers, catering to a multitude of applications. Whether you need wall-hung boilers, floor-standing boilers, or commercial hot air generators, Viessman delivers versatile solutions that ensure reliable and efficient performance. These boilers are perfectly suited for a wide range of environments, including schools, offices, factories, and workshops.
Ideal: With over a century of expertise, Ideal commercial boilers have established a reputation for energy efficiency, quality craftsmanship, and exceptional performance. By choosing an Ideal boiler, you not only benefit from its impressive track record but also contribute to reducing your carbon footprint. These boilers are an ideal choice for businesses looking to prioritise sustainability without compromising on reliability.
At Priory Gas Heating, we understand the importance of selecting the right commercial boiler to meet your specific requirements. Our team of experts is dedicated to assisting you throughout the entire process, from product selection to professional installation and ongoing maintenance. With our commitment to excellence and industry-leading brands, you can trust us to deliver exceptional solutions tailored to your needs.
Contact us today to discuss your commercial heating requirements and discover the unparalleled quality and reliability of our commercial boilers.


At Priory Gas Heating, we provide a comprehensive range of services dedicated to ensuring the smooth operation of your commercial boiler and central heating system. 

Our team of experienced commercial plumbers in London is ready to meet your needs, whether you require a one-off commercial boiler service or prefer the convenience of a comprehensive yearly contract. We are committed to ensuring that your boilers consistently deliver hot water, heat, and reliable central heating.

We specialise in servicing and maintaining a wide range of commercial boilers on an annual basis. Through our scheduled service and maintenance visits, we optimise the efficiency of your system and replace any serviceable parts, guaranteeing its optimal performance.

Regular boiler servicing and maintenance offer numerous benefits to your business. By undertaking these measures, you can improve overall efficiency, minimise the risk of breakdowns, enhance safety measures, and achieve improved energy efficiency. At Priory Gas Heating, we understand that each client has unique requirements. That’s why our commercial boiler servicing service is tailored to suit your specific needs, ensuring that your system operates at its best. Additionally, we back our services with a 12-month guarantee, giving you peace of mind and confidence in our work.

We invite you to discuss your requirements with our team of commercial plumbers. Their expertise and knowledge of commercial heating systems enable them to provide valuable insights and personalised solutions for your business. Priory Gas Heating is your trusted partner for optimising the performance of your commercial boilers. Contact us today to schedule a consultation and experience the exceptional services we offer.


As approved installers for Hamworthy commercial boilers, Priory Gas Heating offers a comprehensive solution that goes beyond installation. We understand the importance of commissioning your new boiler to ensure optimal performance and efficiency. That’s why we work closely with Hamworthy to arrange for their experienced engineers to commission your boiler after installation.

Hamworthy Commercial Boiler commissioning is a critical step that elevates your system to its peak performance level. By fine-tuning the settings, we ensure that your boiler operates at maximum efficiency, minimizing energy consumption and reducing running costs. This proactive approach also mitigates the risk of component failures and costly downtime, providing you with a reliable and uninterrupted heating solution.

With extensive knowledge and expertise in Part L commissioning criteria for both new and existing buildings, Hamworthy engineers possess the necessary skills to ensure a seamless commissioning process. By adhering to industry standards and guidelines, we guarantee that your system operates flawlessly, maintaining a healthy indoor environment for owners, contractors, and end-users alike.

In addition to exceptional service, we offer you peace of mind by extending the standard two-year parts warranty with labor coverage. This warranty covers any work carried out after installation and remains valid for 24 months from the date of commercial boiler commissioning. This added protection underscores our commitment to customer satisfaction and demonstrates our confidence in the quality and reliability of our services.

Choose Priory Gas Heating for your commercial boiler needs, and experience the expertise of our Hamworthy-approved installers. From installation to commissioning, we prioritise efficiency, reliability, and customer satisfaction. Contact us today to discuss your requirements and benefit from our comprehensive solutions.


At Priory Gas Heating, we understand that when it comes to upgrading your commercial heating system, the removal of your old commercial boiler and pipework is a crucial step in the process. That’s why we offer a professional and hassle-free boiler removal service, ensuring that your old equipment is taken care of responsibly and safely.

When you choose Priory Gas Heating, you can rest assured that we prioritise environmental sustainability. We work in partnership with a local licensed waste collector who shares our commitment to the environment. Through our collaboration, we ensure that your old boiler and pipework are recycled up to 95%, reducing the impact on landfills and promoting a greener future.

Our dedicated team of experts is trained to handle the entire removal process efficiently and effectively. Upon arrival, we diligently fence off the designated area to prevent any debris from spreading. Our technicians then carefully break down the boiler, removing all salvageable parts. We understand the importance of a clean and organised workspace, so we meticulously sweep the area to eliminate any loose bolts or fragments that could pose a hazard.

Moreover, we prioritise the safety of our clients and employees. As part of our comprehensive service, we offer an R&D survey to test for asbestos presence. If asbestos is detected, we collaborate with a specialist asbestos removal company to ensure its safe and professional removal, adhering to all necessary regulations and guidelines.

At Priory Gas Heating, we believe that a seamless boiler replacement experience goes beyond just the installation process. Our commitment to excellence extends to every aspect, including the responsible and thorough removal of your old boiler and pipework. Trust us to handle this essential task with professionalism, care for the environment, and utmost consideration for your safety and satisfaction.

Contact us today to learn more about our comprehensive boiler removal services and experience the difference with Priory Gas Heating.


At Priory Gas Heating, we prioritise the safety and compliance of our clients’ commercial heating systems. As a reputable heating company in the UK, we understand the importance of meeting regulatory requirements and obtaining the necessary certifications. That’s why we offer comprehensive services to facilitate the issuance of Part L, Gas Safety, and NICEIC Electrical sign-off.

Part L Compliance: Part L of the UK Building Regulations outlines energy efficiency standards for commercial buildings, including heating systems. Our team of experts is well-versed in the regulations and can assist you in achieving Part L compliance. We conduct thorough assessments and provide tailored solutions to optimize the energy efficiency of your heating system, ensuring it meets the required standards.

Gas Safety Certification: The safety of your commercial heating system is of utmost importance. Our certified engineers are qualified to perform gas safety checks and issue the necessary certifications. We meticulously inspect your system, ensuring that it meets all safety standards and poses no risks to occupants or the surrounding environment. With our comprehensive gas safety services, you can have confidence in the safe operation of your heating system.

NICEIC Electrical Sign-off: Electrical safety is another critical aspect of commercial heating systems. As an approved NICEIC contractor, we offer electrical signoff services to guarantee the compliance and safety of your electrical installations. Our skilled electricians thoroughly inspect and test your electrical system, ensuring that it adheres to the highest standards of safety and functionality. We provide the necessary documentation and certification to demonstrate compliance and peace of mind.

At Priory Gas Heating, we understand the complexities and importance of regulatory compliance and safety in the commercial heating industry. Trust our experienced team to guide you through the process of obtaining Part L, Gas Safety, and NICEIC Electrical sign-off. With our expertise and commitment to excellence, we ensure that your heating system operates efficiently, safely, and in full compliance with the applicable regulations.

Contact us today to discuss your specific requirements and let us assist you in achieving compliance and maintaining a safe commercial heating system.