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22 Manchester Square, Marylebone, London W1U 3PT info@priorygasheating.comREQUEST MEETING

About Priory Gas Heating

Priory Gas Heating has been a leading commercial heating and plumbing company for over a decade. We provide everything you need for commercial heating & plumbing systems to ensure the property is efficiently heated.

Our mission is to provide outstanding customer service, develop long term customer relationship whilst delivering first class commercial heating systems that reduce your heating costs.

We are a full service for commercial plumbing and heating company that offers plant room design & build, electrics and complete commercial heating installations.

Just recently, our team helped a client improve their heating system efficiency from 51% to 97% saving a significant amount of money on heating bills.

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Experienced Team

Our team of plumbers, heating & electrical engineers are highly qualified and experienced holding Gas Safe and NICEIC accreditations.

We have over 2 decades experience in installing commercial and domestic heating systems from a single domestic boiler to a 2 Megawatt plant room with a cascade of boilers.

Our vast experience in working with a wide range of commercial plumbing and heating systems in a variety of premises including schools, offices and churches allow us to provide expert advice and the credibility to undertake complicated commercial plumbing & heating installations.

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Commercial Plumbing Services

Church Plumbing And Heating
Church Heating
School Heating
School Heating
Office Plumbing And Heating
Office Heating

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Our Process


Call us to discuss your current heating systems efficiency with one of our mechanical heating engineers. We can carry out a site survey and discuss your heating issues and requirements for a new or upgraded heating system.


We create a detailed quotation breaking down the specific requirement for the heating system from the boiler and plant required for the clients needs. We also highlight the efficiencies clients can obtain with the new system. and projected fuel saving.


Our Gas Safe registered mechanical and electrical heating engineers and remove the existing heating system or part of and install the new heating system and project managed by our in house consultant.

Client Testimonials

Our plumbing and heating services come highly recommended by our customers.

Plumbers Near Me

Plumbers near me is a search term customers find us through for a local commercial plumber or domestic plumbers. Priory Gas Heating are local plumbers to London customers supplying plumbing and heating equipment we source from our trusted plumbers merchants.

Plumbing Supply

We supply plumbing and heating equipment such as boiler, flue-ins. Radiators, thermastatic radiator values, pipe work, boilers, pumps, zone valves, clarifiers, control panels and building management systems, Actuators, plate heat exchangers, water boosting sets, solenoid valves, pressurisation units, expansion vessels, compensated heating controls, boiler sequencers, secondary hot water pumps.

Boiler Removal

Existing boilers, pipework and associated plant are Drained down, removed and disposed by a licensed waste collector that recycle up to 95% of waste.

Cleaning Existing Commercial Heating System

We Chemically Flush the system using biodegradable chemical to clean existing deposits and make the new system perform to the required efficiency.

Supply and fit new boiler

All our boilers are A rated and supplied by leading European boiler manufactures such a Vaillant. Boilers are assembled in situ and attached to the existing heating system.

Wireless Thermostatic & programmable controls

Control panels and programmable thermostats are installed and configured by our heating engineers to provide optimum heating during business hours and reduce the usage to save on energy using compensated heating controls for larger premises to reduce fuel usage.

Horizontal and vertical flue in systems

On larger installations bespoke flue in systems are made the conform to the London clean air act.

Remove all rubbish

All rubbish and hazardous and non hazardous waste is removed by licensed waste collectors.

Commercial Heating Testing

Our commercial plumbers may intake several tests on new and existing heating systems including Pressurisations tests, gas testing, spillage testing, flue gas analyser testing, pressure tests, hydrostatic testing, nitrogen testing, Asbestos.

All our large heating systems come with free in-house consultancy designed by our consultants and are backed with professional indemnity insurance.


Our commercial plumbers provide Gas Safe certifications along with out commercial electrical engineers that provide NICEIC certification

Boiler service

Annual commercial boilers services are carried out by our commercial plumbers on commercial Boilers, burner gaskets, ignition and flame rectifications, filter, electrodes, chemically dose system, ensure fully operational, check feasible condition.

Hamworthy Commercial Boilers

Hamworthy are premium commercial boilers that offer excellent after service with a good technical department. We are approved Hamworthy commercial boilers installers.

Vaillant Commercial Boilers

Another popular product ideal for use on newer system are Vaillant commercial boilers. We are approved Vaillant commercial boilers installers.

Commercial Boiler repairs

Common repairs to commercial boilers include flame ignition electrodes, new gaskets, new burners, new heat exchangers, pumps, gas valves, printed circuit board.

New boiler cost

We aim to provide competitive prices on our commercial heating systems and offer 2year guarantee on commercial boilers and 5 years on a domestic boiler. We provide a detailed quotation breaking down all major parts of the systems with associated costs.

Priory Commercial Plumbers
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