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 Commerical Services

 

We provide a comprehensive heating and plumbing service for our clients. With professional and experienced on-site engineers fully DBS ehanced checked, we pro-actively support dutyholders maintain their buildings mechanical services all year round.

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  • Commercial GAS SAFE Registered Heating Engineers (Gas/LPG/Catering)   

  • F Gas Registered Engineers

  • OFTEC Oil qualified Engineers

  • Design and build services (providing record CAD drawings)

  • Qualified UKAS Engineers under ACOPS Competent Persons Scheme   

  • Accredited and Insured to Essex County Council Standards  

  • Strong Health & Safety Policy 

  • CSCS Safety Scheme registered Engineers

  • Asset management and servicing records for local authorities and residential agents

  • Professional Liability insurance up to £10M

  • Proffesional Design Indemnity Inusrance up to £5M

 

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Plant room Installations

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  • Full Commercial GAS/LPG/OIL Plant room boiler installations

  • Pressure vessel testing using Ultrasonic equipment for condition certification

  • All Heat emitters installed and serviced (Radiators, UFH, Radiant panels, fan convectors)

  • Automatic Filling Devices

  • Pressurisation systems 

  • Chemical Inhibitor Dosing

Maintenance & Servicing

Heater Repair
  • Annual Commercial Boiler Servicing

  • Heating maintenance and emergency breakdown repairs

  • CPA Flue gas analysis and boiler commissioning

  • Annual Electrical and BMS panel/controls servicing 

  • BMS Design and build service

  • Annual Heating Pump and heating component servicing

  • De-Scaling of direct fired appliances

Gas Services

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  • Commercial Mains Gas Service installations (Electro-fusion welding)

  • Tightness Testing and Purging 

  • Commercial and Domestic Gas Safety Checks and Certificates

  • Landlords certificates

  • School laboratory gas safety and certificate checks

  • Gas Proving, Interlock and Safety Shut Off Systems

Sanitary & Washroom Installations

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  • Commercial WC Block installations Specialists

  • Disabled Sanitary System Installations

  • Multi point Shower Block systems

  • Mains and Battery Remote sensor flow systems

  • Drainage installations, maintenance and repair

  • Unblocking and appliance de-scaling

  • General Sanitary maintenance and repair

Hot water supply

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  • Hot water Systems 

  • Direct fired Gas water heaters installation and maintenance

  • Electric immersion water heater installation and maintenance

  • Thermostatic Mixing Valve Maintenance

  • Annual servicing and de-scaling

  • Gas safety certificates

  • Flue as Analysis safety checks

Legionella Prevention services

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  • Legionellosis water risk assessment's

  • Qualified operatives under Logic Certification Scheme

  • Water storage tank cleaning

  • Chemical disinfectant dosing

  • Monitoring services for control of legionellosis

  • Microbiological water sample testing using laboratory  UKAS standards

General Plumbing

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  • NO job to small (taps, toliets, drinking fountains ect)

  • Mains services designed and installed

  • Vulcathene Chemical Waste Laboratory systems installed

  • External Mains Water MDPE Pipework installations

  • Underground HDPE electro-fusion welding

  • Mains Water Hydrant Installations

  • Water fountains and coffee machine installations

Limited company registered in England & Wales - Reg. 08621168

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VAT Registered business - No. 325540912

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For our Business Terms & Conidtions please CLICK HERE

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© 2026 D & J Plumbing & Heating (UK) Ltd

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