Boiler Servicing, Repairs & Installations in London

DCR offer the very best quality in boiler servicing, repair, installation and aftercare.

We care about every single job we do and make sure that our customers have a complete heating system that is best suited for their property.

DCR heating engineers offer a variety of heating services for both residential and commercial properties, including boiler servicing, new boilers, new hot water cylinders and heating installations as well as repairs to existing boilers and systems.

New Boiler
Installations

We advise and design our heating systems through knowledge, experience and continued manufacturers training in the latest products. ​DCR provide a mechanical design and installation service for all boiler, heating and hot water systems from unvented domestic hot water systems to boosted high pressure systems used in large residential and commercial properties. We have designed and installed many high efficiency heating systems for a range of different applications and sizes from the standard 10kW home heating system to 500kW’s in schools and commercial properties. We will always focus on efficiency on any of our designs whatever fuel or heat source as well as providing long term reliability and industry leading aftercare. We offer a 10 year warranty on all our boilers. 

Boiler Servicing & Repairs

DCR Heating engineers operate 365 days a year in order to ensure your boiler and heating systems are working at maximum efficiency year round.  Our boiler service customers receive annual reminders and have priority access to our breakdown and repair engineers.

A selection of Boilers we work with

In addition to being Viessmann and Warmflow Boiler Specialists DCR Heating engineers regularly service and provide repairs for:

  • Ideal Boilers
  • Worcester Boilers
  • Grant Oil Boilers
  • Glowworm Boilers
  • Baxi Boilers
  • Potterton Boilers
  • Vaillant  Boilers

What we can help with

  • Gas Boiler Repairs
  • Combi Boiler Repairs
  • Immersion Heaters
  • Central Heating Controls
  • Fault Finding
  • Power Flushing
  • Gas Testing & Certificates
  • Radiator bleeding, leaks & noise investigation
  • Thermostats & thermostatic valve issues
    and more…

Why DCR?

Experience

DCR offers extensive experience across all aspects of building, heating, solar, electrical, and renewable solutions. Our expertise goes far beyond delivering quality construction and system installations – we provide intelligent design input, practical problem-solving, and a strong understanding of maintenance requirements across multiple disciplines. We create systems that are efficient, sustainable and easy to manage, providing long-term value and reliability for our clients.

Care & Attention

At DCR, we pride ourselves on delivering unmatched care and attention to every project we undertake. From initial planning through to final inspection, our team is committed to quality, safety, and long-term reliability. We treat each build and maintenance task as if it were our own, ensuring every detail is handled with precision. This personalised approach sets us apart in an industry where attention to detail too often gets overlooked. For heating, solar, electrical, and renewable systems, this level of care ensures optimal performance, greater energy efficiency and a longer lifespan, protecting your investment for years to come.

DCR Stability

DCR is a financially stable and well-established company, providing our clients with long-term confidence and peace of mind. If you need to rely on system warranties in the future, it is critical that your installer remains in business and fully capable of honouring those commitments. Our solid financial foundation ensures that we are here to support you well beyond project completion, delivering dependable warranty coverage and hassle-free aftercare for years to come. This stability is especially important for heating, solar, electrical, renewable, and building projects, where lasting performance and support are essential to maximising your investment.

DCR Team

We are proud to deliver every project through our directly employed team of exceptional engineers and builders. By handling every element in-house, we ensure the highest standards of training, discretion, professionalism, and seamless communication, giving you complete confidence that you are in the best hands. With a proven track record of excellence, DCR is a trusted long-term partner for businesses, homeowners, estate managers, and property professionals alike.

DCR Aftercare

For heating and solar systems, professional aftercare is essential to ensure efficiency, safety, and longevity. Regular maintenance not only protects your investment but also maximises performance and energy savings year-round. With DCR, you have expert support on hand whenever you need it, keeping your systems running at their best.

No Salesmen

DCR operates on a foundation of honesty and sustainable growth. We do not employ dedicated salespeople. Instead, our advice comes directly from experienced engineers and industry specialists. With expertise spanning oil, gas, LPG, solar thermal, heat pumps, electrical systems, and PV installations, we remain impartial to any single product or technology. This allows us to provide clear, knowledgeable guidance on the solutions that will work best for your property or workspace, ensuring the right fit for your needs every time.

National Coverage

Driven by client recommendations and sustained national growth, DCR is proud to offer a nationwide service, coordinated centrally from our Midlands head office, and London Mayfair office. We continue to invest in advanced telematics and communication systems, enabling the efficient deployment of engineers and the rapid distribution of heating components and spares across the UK. This infrastructure ensures we can deliver a consistent, responsive service to every client, wherever they are located.

DCR Products

DCR are an extremely experienced company in heating design and maintenance. This experience can be traced back three generations enabling DCR to provide the correct elevation of design and products that are best suited to our client’s properties. Thanks to the volume of appliances our team installs and our boiler aftercare service we are able to complete yearly reports. Reporting allows us to advise on the reliability of certain designs and to highlight manufacturers with the lowest failure rate and long term part availability. Our heating and hot water systems are based on providing the very best in reliability and energy efficiency performance. Our team work tirelessly in working closely with our chosen manufacturers to continuity deliver these standards.

London

DCR has an office in Mayfair. This investment has ensured we can provide excellent customer service along with highly experienced engineers to technical systems that operate more than just heating systems. Our heating engineers specialise in the Viessmann product and have provided many turnkey solutions along with breakdown assistance to existing Viessmann installations within the London area.

Consultation
Call

Speak directly to our design experts by booking a consultation call with the DCR team.

We can discuss your requirements and suggest the best route for your project.

Alternatively you can call us on 02031 489 588 and we can book a convenient time.

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