The short version
- Flue termination position is the first thing to check, not the last
- Condensate must reach a suitable drain, or a pump is needed
- Gas supply pipe sizing often has to be upgraded over a longer run
- Loft installs need boarding, lighting, a fixed ladder and frost protection
The four things that decide feasibility
Before we talk price, we check whether the new position works at all.
- Flue route and termination clearances from windows, doors and boundaries
- Condensate drainage — gravity where possible, pumped where not
- Gas pipe size for the new run and the appliance's rate
- Access for servicing, and the clearances the manufacturer demands around the case
Popular relocations and their catches
Kitchen cupboard installs look tidy but need ventilation clearances and a removable panel for service access. Garage installs need frost protection. Loft installs need permanent access, boarding, lighting and a suitable working platform — often the biggest hidden cost.
Doing it alongside a replacement
If your boiler is near end of life, moving it and replacing it in the same visit is much cheaper than doing them a year apart — the pipework, flue and making good are only paid for once.
Common questions
Can I move a boiler into a bathroom?+
Only with strict zoning and electrical requirements met. We'll assess the specific room rather than answer in general.
Does relocating void the warranty?+
No, provided the work is done by a Gas Safe registered engineer to the manufacturer's spec.
Will I need to redecorate?+
There'll be some making good where the old boiler was. We tidy the area, but decoration is usually the homeowner's finish.
Is it cheaper to leave it where it is?+
Yes, usually significantly. Relocation is a design choice, not a technical necessity in most homes.
Planning a kitchen or layout change?
We'll survey the new position and tell you what's practical.