At Keystone London, we keep homes across London warm, efficient, and comfortable — all year round.
Our Gas Safe registered engineers deliver expert heating solutions, from boiler installations and servicing to underfloor heating and hot water systems.
Need urgent repairs, a new heating system, or ongoing care?
We combine technical expertise with friendly, reliable service — giving you total peace of mind.
At Keystone London, we work with all major boiler brands and stay up-to-date with all new boiler models? Why?
This means are engineers can deliver efficient boiler servicing to every boiler, every time.
We remember your service dates, so you don’t have to – think of us as your boiler’s personal assistant.
