Booking your annual boiler service in London before the autumn rush
- 2 days ago
- 4 min read

Book your annual boiler service in late summer or early autumn, before the cold weather arrives. A yearly service keeps your boiler safe and efficient, protects the manufacturer's warranty, and catches small faults before they become winter breakdowns. Booking early means you get a date that suits you, not whatever's left once everyone else remembers.
Every September, the same thing happens. People switch the heating on for the first time in months, something isn't right, and suddenly every engineer in London is booked solid. A quick service in the quiet weeks before that rush saves you the wait, and often the stress of a boiler that packs up at the worst moment.
What is an annual boiler service and why does it matter?
An annual boiler service is a yearly check by a qualified engineer to make sure your boiler is running safely and efficiently. It isn't the same as a repair. It's the maintenance that stops repairs being needed in the first place.
Most boiler manufacturers require a yearly service to keep the warranty valid. Skip it, and you can find a claim turned down later because the boiler wasn't looked after. So even a boiler that seems fine has a good reason to be serviced on schedule.
There's a safety side too. A Gas Safe registered engineer checks for problems you can't see, including anything that could lead to a gas or carbon monoxide leak. That matters most in winter, when the boiler is working hardest, and the house is shut up against the cold.
What does a boiler service actually include?
A proper service is more than a quick look. When we service a boiler across London and Kent, we're checking that it's burning cleanly, running at the right pressure, and safe to leave you with for another year.
A typical service covers:
Checking the boiler fires and runs correctly
Inspecting the flue and combustion to make sure it's burning safely
Testing the gas pressure and flow
Checking seals and components for wear or corrosion
Looking over the controls and safety devices
Cleaning parts where needed and reporting anything to watch
At the end, you get a clear picture of the boiler's condition, and a heads-up on anything that may need attention soon rather than a nasty surprise in January.
Not sure when your boiler was last serviced? Jubo covers all of London and Kent - call us on 02080 870799, and we'll get you booked in.

Why book before autumn instead of waiting?
Two reasons: availability and peace of mind.
On availability, the demand for heating work climbs sharply once the temperature drops. Book in late summer or early autumn and you can pick a convenient date. Leave it until the first cold snap, and you're in the queue behind everyone whose boiler has just broken down.
On peace of mind, a service now means small issues get caught while they're still small. A worn part or a dropping pressure is a quick fix in September. The same fault ignored can leave you with no heating on the coldest weekend of the year, when getting an engineer out fast is hardest.
Servicing early simply moves the job from a stressful time to a calm one.
How often should a boiler be serviced?
Once a year is the standard, and it's what most manufacturers require to keep the warranty in place. Newer boilers still need it, even when nothing seems wrong, because the service is what keeps them running well and staying covered.
If your boiler is older or has had problems before, sticking to a yearly service is even more worthwhile. It's the difference between spotting wear early and finding out the hard way.

Frequently asked questions
How much does a boiler service cost? It depends on the boiler and your setup, so we'll confirm the price when you book rather than quote a figure that might not apply to your home. A service is far cheaper than an emergency call-out or a repair caused by a fault that went unnoticed.
How long does a boiler service take? A standard annual service usually takes around 30 minutes to an hour, depending on the boiler and whether anything needs a closer look. We'll let you know if we spot something that needs more time.
Does a boiler service keep my warranty valid? In most cases, yes. Manufacturers typically require proof of an annual service by a Gas Safe registered engineer to honour the warranty. Keep the record we give you as evidence the boiler has been maintained.
My boiler seems fine - do I still need a service? Yes. A service is preventative. It catches wear and safety issues before they cause a breakdown, and keeps the warranty valid. A boiler working today can still have a problem building that only a proper check would find.
Can you service any make of boiler? As Gas Safe registered and NICEIC approved engineers with over ten years in the trade, we service most common makes and models fitted in London and Kent homes. If yours is unusual, mention the make when you get in touch, and we'll confirm.
Get your boiler serviced before winter
If it's been a year or more since your last service, now is the time to book, while there's room in the diary and the weather's still on your side. We'll check it over properly, keep your warranty intact, and give you an honest picture of its condition.
Call Jubo on 02080 870799 or book a service.



