- Gas Safe registered
- Protects your warranty
Book your annual boiler service.
- Full service by a Gas Safe engineer
- Safety check & efficiency test
- Written service certificate
Gas Safe registered
Keeps your warranty valid
£75 fixed, no memberships
Written certificate provided
Everything covered for £75
WarmBox provides professional boiler servicing and annual boiler services to help keep your heating system running safely, efficiently and reliably.
Our Gas Safe registered engineers service a wide range of boiler makes and models.
- Full boiler strip-down & inspection
- Efficiency & performance test
- Controls & thermostat check
- Safety & gas-tightness check
- Flue & ventilation check
- Written service certificate
Choose a slot and pay the £75 service fee
TrustMark approved
The Government Endorsed Quality Scheme — vetted, quality-checked and standards-backed.
Why do I need an annual service?
It keeps your boiler running safely and efficiently, and most manufacturer warranties require it to stay valid.
Is £75 really all I pay?
Yes — £75 covers the full service visit. It's a one-off payment, not a membership or subscription.
What if a fault is found during my service?
Faults must be repaired before we can service the equipment. If we installed it and it's within its manufacturer warranty, we'll do our best to help.
Are parts included?
Only standard parts within a service are covered. Major parts are charged separately.