Your local Glow-worm engineers in Walthamstow
Whether your Glow-worm boiler needs its annual service, has thrown a fault code, or it's time for a brand-new install, our Walthamstow engineers know Glow-worm systems inside out. We carry common Glow-worm parts on the van, so most repairs are sorted on the first visit.
Annual Glow-worm boiler service from £79
Glow-worm fault-finding & repair
New Glow-worm boiler installation
No call-out fee in Walthamstow
Why Callum's
No call-out fees. No nasty surprises.
We built our reputation on doing the simple things properly, turning up, being honest, and leaving your home clean.
Upfront pricing
Fixed quotes agreed before any work begins. No hidden extras, ever.
Gas Safe registered
Fully qualified, insured and Gas Safe registered engineers.
24/7 availability
Real people answer the phone around the clock for genuine emergencies.
Tidy & respectful
Dust sheets down, boots off, mess cleared. We treat your home like ours.
Other brands
More boilers we service in Walthamstow
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Vaillant in Walthamstow
Ideal in Walthamstow
Baxi in Walthamstow
Viessmann in Walthamstow
Other areas