Commercial Plumbers in London


Mechsell have a high repetition for commercial heating and plumbing in and around London. We are one of a handful of heating companies in London who are qualified and registered by Gas Safe to work on commercial boilers over 70kW. We carry out all aspects of work associated with the heating system from the boilers, controls, flue systems, plus servicing valves and maintaining pumps.

We offer a wide range of specific services relating to your commercial heating system:

  • 24 hour emergency call out service
  • Gas safety certificates
  • System fault finding and diagnosis
  • System maintenance contracts
  • Component repair or replacement
  • Boiler repairs and servicing
  • Systems leak repairs
  • Power flushes
  • System treatments
  • Plus much more…

24 Hour Commercial Heating Call Out Service

We understand that a heating system failure can be much more than an inconvenience and an emergency. We have engineers on call 247 ready to take your commercial heating London call and solve your problem.

Mechsell have worked on a full range of commercial properties with a variety of heating systems, some examples include:

  • Schools
  • Prisons
  • Office buildings
  • Residential apartment buildings
  • Retail outlets
  • Restaurants
  • Large private residences
  • And much more…

Commercial Heating London Systems we work on

Mechsell are able to install, service and repair most types of commercial heating systems, this includes:

System boilers (gas, oil, LPG, wood, etc…)
Multiple boiler installations
Valve and pump arrangements
Shunt pump arrangements
Warm air heating systems (air handeling unit heater batteries etc.)
Hot water systems (hot water cylinders, multiple cylinder configurations etc.)
Heating controls (sensors, control panels, three port valves etc.)
Plus much more…

Quick Quotation
Complete the form below and a member of Mechsell will call you to discuss your requirements.



Mechsell recognises and responds to the fact that sustainability has social, environmental and economical implications.

We aim to insure the Health and Safety of our craftsmen and others.
We aim for “lean construction”. By this we mean to deliver buildings and structures that improve the health and well being of its inhabitants, enabling them to lead a more sustainable lifestyle. We source materials that have low energy intensity and minimise environmental damage in their production, construction, occupation and in dismantling of them.
Engaging with the local community
We actively engage with the local community to ensure that our activities do not affect local residents and retailers and we protect the local environment.
We want to exceed our customers’ expectations

  • We minimise the use of natural resources and energy during the construction phase.
  • We are considerate to our clients needs, our employees and others who affected by our works.
  • We aim to use local materials.
  • We choose materials carefully to ensure we do not waste materials as this makes economic and environmental good sense.

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