top of page
DSC03556-min (2)-min.png

Boiler Installations, Repairs & Boiler Servicing in London

Tel: 020 314 89588

DCR have been providing the very best in heating installation and boiler services in London for the last 15 years. We operate a team of highly experienced, commercial and domestic, GAS SAFE engineers, that can provide breakdown diagnosis, annual servicing and boiler replacement. Our directly employed engineers are backed by our mechanical design team, ensuring your heating and hot water system is not only replaced with the very best of products but equally is designed to provide the performance and efficiency your property requires.

DCR offer the complete turnkey solution for clients that require all building works to be completed alongside any mechanical heating or water system upgrade ensuring that the process flows seamlessly.

I would most certainly recommend DCR

I have used DCR for a number of years to provide heating services, ranging from yearly boiler servicing to maintenance at my Knightsbridge property. They have provided an extremely efficient service and send only the most experienced engineers. I would most certainly recommend DCR.

S Rasalingham - Knightsbridge, London


Lewis and his team are unfailingly punctual, reliable and tidy

I can certainly recommend DCR for heating and hot water design and installation. DCR have maintained my system for a number of years and recently upgraded my hot and cold water boost pumps providing the property with continuous hot water and excellent water pressure throughout. Lewis and his team are unfailingly punctual, reliable and tidy. In solving problems (never of their own making) DCR has always demonstrated the responsiveness and expertise we all hope for.

Chris - Islington, London

Please contact us for a quote

Thanks for submitting!

DCR London Projects

Viessmann Electric & Renewable Boilers

The Viessmann Vitotron 100

Vitotron 100_Frontale.jpg

Electric boilers are excellent for heating buildings without a gas supply and are an ideal solution in energy saving construction.
Why choose the Viessmann Vitotron 100?

Aesthetic and easy to assemble

Easy to use control with graphic display

Automatic heater power modulation

No flue, no fuel tanks, no gas!

Can work with most central heating systems

Weather control ensures the most energy effective boiler operation

Possible cooperation with a solid fuel boiler or fireplace and with a photovoltaic installation.

The Viessmann Vitovalor PT2 & PA

Vitovalor PA2_00003.jpg

The latest innovation in heating technology. The Viessmann Vitovalor micro CHP replaces a conventional gas boiler in larger homes and commercial properties. The incredibly efficient, cutting-edge Viessmann Vitovalor represents the latest in heating technology. It provides simultaneous heating and hot water using advanced fuel cell technology to convert hydrogen into energy, offering independence from rising electricity prices. DCR fitted the first ever MCS registered Vitovalor PT2 in the UK
Why choose the  Viessmann Vitovalor PT2 & PA?

Up to 40% lower energy bills compared with gas condensing technology
Protect the environment through lower CO2 emissions Increasing independence of electricity prices by generating power on site
Compact design with a small footprint
Efficient and environmentally responsible technology of the future High operating convenience via tablet or smartphone Energy efficiency class: A++
Energy efficiency class, DHW heating: A+

 Viessmann Gas Condensing Boilers

The Viessmann Vitodens 100

Vitodens 100-W_B1GA_Ansicht.jpg

Our best selling gas condensing boiler.
Efficient, compact, quiet and affordable, the Vitodens 100-W hydrogen ready (H2 20% blend) gas condensing boiler is the most popular solution for smaller and well insulated homes. Featuring innovative technology and services combined with reliability and longevity and comes ready for smart technology, helping you to optimise your heating and save on energy costs.

Why choose the Viessmann Vitodens 100?

High quality stainless steel Inox-Radial heat exchanger ViCare Compatible
Compact design and low weight
Available in outputs from 3.2 to 32 kW
Class A rated for energy efficiency
Low CO2 emissions for reduced environmental impact User friendly LED Touch screen for easy operation Lambda Pro Combustion Control

The Viessmann Vitodens 200

Vitodens 222-F_Ansicht_Speicher-Wassererwaermer.jpg

A powerful gas condensing boiler for larger homes
The new generation of heating systems. Greater efficiency, lower emissions, simple operation. Future-proof, durable and digital. Vitodens 200-W hydrogen ready boiler (H2 20% blend) sets the standard for the future. Easy to install, operate and maintain.

Why choose the  Viessmann Vitodens 200?

Up to 98% of the fuel used is converted into heat Quiet operation thanks to low fan speed Compact dimensions, only 450 mm wide
Easy to operate Vitotronic control unit with 7 inch colour touchscreen
Integrated WiFi interface for internet connection Energy efficiency class: A
Optionally available as combi or system boiler New environmentally responsible MatriX-Plus burner

The Viessmann Vitodens 111

Vitodens 111-W_B1LF_Ansicht.jpg

A high performance storage combi boiler for the family home
Rapid, reliable and compact, the Vitodens 111-W is a high performance hydrogen ready (H2 20% blend) wall mounted storage boiler for family homes with a high demand for hot water. With its cylinder loading system (CLS) and 46 litre integrated stainless steel storage tank, the 111-W has the capacity to fill a standard bath in just 8 minutes, whilst also supplying a sink or washbasin simultaneously.

Why choose the Viessmann Vitodens 111?

Cylinder loading system (CLS) and integrated stainless steel storage tank High hot water capability of >18 l/min
Available in outputs from 3.2 to 32.0 kW
Hot water performance equivalent to a separate installed 150L cylinder Hydrogen Ready Boiler (H2 20% blend)
Class A rated for energy efficiency
Low CO2 emissions for reduced environmental impact
User friendly LED Touch screen for easy operation

The Viessmann Vitodens 222

Vitodens 222-F_Ansicht_Speicher-Wassererwaermer.jpg

Floorstanding convenience with loading cylinder.
A gas condensing storage combi boiler with integral enamelled loading cylinder or DHW cylinder with internal indirect coil, with a rated heating output 1.9 to 32 kW. A visually attractive heating centre that corresponds precisely to standard kitchen unit dimensions for easy integration.

Why choose the  Viessmann Vitodens 222?

High operational reliability due to integral Lambda Pro Plus combustion controller
Greater efficiency and lower emissions due to new MatriX-Plus burner Integrated WiFi interface for internet connection
Energy cockpit to display energy generation and energy consumption Fluorescent light guide for visual confirmation of correct operation High DHW convenience in the smallest of spaces due to 100 litre loading cylinder
Energy efficiency class: A

Technologies & Services that we offer:

Veissmann Boilers

Viessmann Boilers At DCR all our engineers specialise in the Viessmann product where our mechanical director Lewis has been working alongside Viessmann since 2002. Over the years Lewis has be involved in providing design and installation of the Viessmann product in some of the most prestigious builds within London and the south west.


Low carbon CHP - DCR were the first UK business to install the latest Viessmann Vitovalor PT2 hydrogen fuel cell micro combined heat and power boiler. This product can be a great opportunity to lower your carbon footprint along with generating your own electricity and providing unparalleled hot water performance.

Viessmann Specialists - DCR operate a dedicated Viessmann parts network that enables our engineers to provide excellent customer service to long serving Viessmann boilers. DCR Engineers carry Viessmann spares ranging from the original wb1a model to the latest Viessmann Vitodens 200 and are available 7 days a week.

We can also help with:

Water Pressure Boost Systems - Hot and cold water pressure boost systems, including the design and UK manufacture of high pressure hot water calorifiers, ideal for large residential properties with multiple water outlets.

Property Management Compliance - For our clients that specialise in residential lettings we have a dedicated service team based in our head office ensuring compliance in gas safety with an automated reminder service and excellent customer support to either corporate and private tenants and their landlords.

Renewables - DCR are MCS accredited in the design and installation of solar PV, Combined heat and power (vitovalor) and heat pumps.

We have many excellent clients who we work with and we are always looking to work with new clients and show them our excellent level of customer service and quality of workmanship. If you have a property in London and would like to use our services please get in touch.

Who we work for

Large Residential
Stately Homes
Country Manors


What we can do

New Viessmann boilers in London
Viessmann boiler services in London
Viessman boiler breakdowns in London
Bespoke heating controls in London
Boiler maintenance in London
New Heating system installations London
Viessmann boiler faults and repairs London
We also service, repair and maintain all other brands of boilers.

Areas DCR operate in 


West Brompton
Kensington and Chelsea 
St John’s Wood
Primrose Hill 
Hammersmith and Fulham 

Why DCR?

Trained and certified in domestic and commercial Gas and Oil
Gas Safe engineers
OFTEC engineers

NICEIC approved electricians
Highly qualified

Experienced in London
Viessman boiler specialists in London
Friendly, helpful and reliable.
DBS checked

Exceptional workmanship, standards and aftercare