Plant room builds

Stewart and Stewart are a highly professional award winning company providing domestic and commercial boiler repairs, replacements, installations and servicing for the London and Surrey area.

We have over 20 years experience building plant rooms, installing commercial gas appliances and systems. Stewart and Stewart will provide advice and assistance in choosing the right installation for your needs, carrying out a comprehensive survey and quotation service before carrying out works in accordance with all the most current Gas Health and Safety Regulations.

We can replace, install, service, repair and maintain just about all types of boiler systems, from single combination boilers to multi-boiler systems for commercial properties and premises.

Stewart and Stewart can deliver a complete Mechanical Package from initial concept through to final handover whether it be a New Build, Refurbishment or upgrade of existing systems. Our services include Estimating, Design, Programme of Works, Method and Risk Assessments, Supply, Installation, Testing and Commissioning and Client Demonstration.

We also provide an after sales service to meet all our clients servicing and maintenance requirements.

Stewart and Stewart is not a franchise and we don’t use a call centre, we are a family business. Which means that we can give our customers a competent service and a sustained efficient system. We have been providing all types of boiler solutions to homeowners, businesses and larger premises in London for the last 20 years.

We now find that the majority of our work comes via repeat business from existing happy customers or client referrals. Our aim is to provide a prompt, efficient service to all our clients. Please see our genuine 5 star reviews.

If you need a commercial boiler installed then call us to see how we can help you.  If a component is in any way connected to the heating system we can advise and fix problems relating to a heating system:

  • Professional Project Management from a dedicated team with invaluable experience and significant understanding of all aspects of building services
  • Cost effective solutions from concept design through to installation and final handover
  • High Quality Specification installations
  • Full in-house design capabilities for all aspects of mechanical & heating works
  • Qualified Engineers that undergo training in the latest materials and techniques who install, repair, commission and service both Domestic and Commercial appliance
  • Gas Safe Registered
  • Contractor Accredited and currently working towards other accreditations
  • Approved Vaillant & Bosch commercial Installers
  • Reactive maintenance services professionally delivered using the same highly qualified staff


Do you have a problem with your heating system?