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Combi Boiler Installation London
[ Instant Hot Water, No Tank]
Average response time for combi boiler installation in London: under 60 minutes, with Free Fixed-price Quote.
Why Londoners Choose [Combi Boilers]
Instant Hot Water
Our combi boiler installation ensures your new boiler heats water directly from the mains as you need it — no waiting for a tank to heat up. You get unlimited hot water instantly with a properly installed combi boiler.
Space Saving
With a professional combi boiler installation you no longer need a cold water tank in the loft or a hot water cylinder, as the boiler fits neatly in a standard kitchen cupboard — ideal for London flats.
Energy Efficient
A new combi boiler installation with a modern, A-rated model (92–94% ErP) can significantly improve efficiency and reduce your energy bills compared to an older conventional system.
Lower Installation Cost
Because a combi boiler installation does not require a separate tank or cylinder, there is less pipework, and the job is usually completed in a single day for like-for-like swaps.
What's Included in Our [Combi Boiler Installation]
New Combi Boiler
As part of your combi boiler installation, we supply and fit Worcester Bosch, Vaillant, Ideal or your chosen leading brand combi boiler.
Professional Install
Our Gas Safe registered engineers handle the full combi boiler installation, making sure all work complies with building regulations.
Power Flush
Before completing the combi boiler installation, we carry out a full system power flush to remove sludge and protect your new boiler.
Gas Safe Cert
Building Regulations Compliance Certificate issued on completion.
10-Year Warranty
Your combi boiler installation includes registering the manufacturer warranty in your name and our own 12‑month labour guarantee on the installation work.
12-Month Guarantee
Our own labour guarantee on the installation work.
Old Boiler Removed
As part of the fixed‑price combi boiler installation, we disconnect, remove and responsibly dispose of your old boiler.
Full Demonstration
We walk you through your new boiler and controls before we leave.
Boiler Brands
[We Install]
Our engineers are trained and experienced with all major boiler manufacturers.
Our Combi Boiler Installation
[Process in London]
Call or Book Online
Call us or book online to discuss your property and the type of combi boiler installation you need in London; we provide an upfront quote before any work starts.
Engineer Dispatched
We dispatch the nearest available Gas Safe engineer, fully equipped to carry out your combi boiler installation safely and efficiently.
Problem Solved
Once the combi boiler installation is complete, we test the system, explain the controls and make sure you are fully satisfied before we leave.
Combi Boiler Installation
[ Across London ]
Based in South London, we cover a wide radius across the capital. Whether you’re in Chelsea or Croydon, our engineers can reach you fast especially in an emergency.
Loved by Londoners
Real reviews from neighbors who trust us for their emergencies.
Posted on Decoo MariusTrustindex verifies that the original source of the review is Google. I had an issue with my boiler and booked a boiler repair with this company. They got back to me quickly, turned up on time and were very professional throughout. The engineer explained exactly what was wrong, gave me a clear price before starting and completed the boiler fix in one visit. Everything was left tidy and the boiler has been working perfectly ever since. I’d happily recommend them to anyone looking for a reliable boiler repair service in the area. Thank you
Combi Boiler Installation
[FAQs]
Can’t find your answer? Call us any time we’re happy to chat before you book.
How long does a combi boiler installation take?
A straightforward like-for-like combi swap typically takes one full day. If we’re converting from a system or regular boiler, it may take 1-2 days.
Do I need a plumber or just a heating engineer?
Will I need a new thermostat?
What's the difference between combi and system boiler?
Can you install a combi boiler in a flat?
Yes! Combi boilers are ideal for flats because they don’t need a tank in the loft. They fit in a standard kitchen cupboard and provide instant hot water.
Ready to book your
[Combi Boiler Installation?]
Contact our friendly team today for a free quote or immediate dispatch.