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With over 70 vehicles we are one of the largest privately owned Drainage, Plumbing, Heating and Building service companies in the UK.

Fast Response in Any Emergency

Heating Engineers – London, Kent and Essex

Since 2008, Defluo have been plumbing and heating engineers in London and beyond. It is one of our most popular services for a reason! Our large fleet and highly qualified engineers means that we can deliver fast response times in any emergency.

We are on hand to help with all types of work including: burst pipes, toilet / sink repair or replacement, waste disposal units, water cylinder with immersion heater replacements, radiator replacements with system controls and boiler installations.

At Defluo, gas safety is extremely important to us. That is why we provide essential boiler services and provide gas safety certificates to everyone, including landlords.

If you need a new boiler, Defluo has you covered! We provide quality boiler installations and repairs. You will also be provided with a 12 month guarantee. Our guarantee emphasises our confidence in our services, products and abilities. We want to give you peace of mind.

Try us today to see why we are rated at the top as plumbing and heating engineers in London and Kent.

Want to see our rates? Head to our rates page by clicking here.

If you need to get in touch straight away, you can call Defluo 24/7 on 0800 9999 200. You can also call this number if you would like to plan works for the future!

If you are looking for commercial services, please head to and select the commercial option on the homepage.

Modern white kitchen with new boiler