Boiler Installation: What to Expect
A simple walk-through of what happens when you have a new boiler fitted, from the free survey to switch-on.
- Last reviewed: July 2026
- Reading time: 5 minutes
Key takeaway
A new boiler is a simple, fully managed process — a free survey, a tidy install (often within a day), and registration and paperwork handled for you.
Our installation process
We keep the whole process simple and stress-free, and we manage every step for you. From your first enquiry to the moment your new boiler is switched on, you will always know what is happening and what comes next.
- Free home survey
- Gas Safe installation
- Certified & guaranteed
How long it takes
A straightforward boiler swap is usually completed within a day. If you are changing the type of boiler or moving where it sits, the work can take a little longer. We will give you a clear timescale before we start, and our engineers work tidily and efficiently to keep disruption to a minimum.
After installation
Once your new boiler is fitted and switched on, our engineer makes sure everything is working correctly and shows you how to use the controls. We also register the boiler and handle the paperwork on your behalf, so your warranty is in place and there is nothing complicated for you to sort out.
Frequently asked questions
How long does a boiler installation take?
A straightforward boiler swap is usually completed within a day. Changing the type of boiler or moving where it sits can take a little longer. We confirm the timescale with you before any work begins.
Is it disruptive?
We aim to keep disruption to a minimum. Our engineers work tidily, protect your home as they go and clear up afterwards. We will let you know what to expect before we start.
Do you register the boiler and handle the paperwork?
Yes. We register your new boiler and take care of the paperwork on your behalf, so your warranty is in place and there is nothing complicated for you to sort out.
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Last reviewed: July 2026 · Reviewed by: Warmr Heating Team