Problems6 min read
Why is my boiler losing pressure?
Most pressure loss comes from water escaping the system somewhere. Here's how to find out where, what you can safely check yourself, and when it needs an engineer.
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Knowledge hub
Boiler advice, in plain English
Costs, problems and buying advice from Dan, a Gas Safe engineer. The questions customers ask us every week, answered properly.
Costs6 min read
How much does a new boiler cost in 2026?
A like-for-like combi swap usually lands somewhere between £2,000 and £3,500 fitted. Here's what moves the price, and what a fair quote should include.
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Buying advice6 min read
Combi vs system vs regular boiler: which do you need?
A combi suits most smaller homes with one bathroom. More bathrooms or weak water pressure usually point to a system or regular boiler with a cylinder.
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Maintenance6 min read
How often should a boiler be serviced?
Once a year is the answer for almost every gas boiler. Here's what a service covers, why your warranty probably depends on it, and what landlords need on top.
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Problems6 min read
Should I repair or replace my boiler?
Age, parts, repeat breakdowns and running costs all point one way or the other. Here's how a Gas Safe engineer weighs it up, including when a repair is the right call.
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Buying advice5 min read
Worcester Bosch vs Vaillant vs Ideal: an honest comparison
All three make good boilers, and I fit all three. Here's what actually separates them, and why the person fitting it matters more than the name on the front.
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