Emergency Callouts
Burst pipe at midnight? We answer the phone and we turn up. A Gas Safe engineer on your doorstep fast, any hour, any day of the year.
Call us outFast, friendly and local. We keep North London homes warm, dry and running, with upfront pricing and no call-out fee.
From a 2am burst pipe to a planned bathroom refit, one trusted local team handles the lot. Here's how we help homes across Holloway and North London.
Burst pipe at midnight? We answer the phone and we turn up. A Gas Safe engineer on your doorstep fast, any hour, any day of the year.
Call us outFrom a pilot light that won't hold to a full A-rated boiler swap. We diagnose honestly and fit the right boiler for your home, not the priciest one.
Book a boiler jobFull bathroom installations, from a single basin to a complete refit. Plumbing, tiling and finishing handled start to finish by one tidy team.
Plan your bathroomDamp patch you can't explain? We trace hidden leaks with thermal and acoustic kit before lifting a single floorboard, then put it right.
Find the leakNew radiators, smart thermostats and full system installs that keep every room in the house warm and your energy bills sensible.
Warm up the houseCold spots at the top of the radiator and noisy pipes usually mean sludge. A proper power flush clears it out and gets your heating running like new.
Clear the systemHartwell is a small, family-run firm, not a call centre that subcontracts your job to a stranger. The engineer who quotes is the engineer who turns up, wipes their feet and leaves your home tidier than they found it.
Every gas job signed off by a registered engineer. Reg. No. 558217.
£5m public liability cover on every visit, for total peace of mind.
Serving Holloway and North London since 2009, one street at a time.
We never charge just to knock on your door. You pay for the work.
A clear price agreed before we start. No surprises on the invoice.
Dust sheets down, shoes off, mess cleared. We treat your home like ours.
Bathrooms refitted, boilers installed and heating brought back to life in homes around Holloway, Highbury and Islington.
Real words from real homes around Holloway. Reliability, punctuality and a fair price come up a lot, and that's exactly the point.
Our boiler died on the coldest night of the year and Sam was here within the hour. Fixed it, explained everything, and charged exactly what he quoted.
Booked a full bathroom refit and braced for chaos. The team were spotless, on time every day, and the finish is better than the showroom. Genuinely lovely people.
Had three quotes for a new boiler. Hartwell were the only ones who didn't try to upsell me. Honest, tidy and quick. I've already passed their number to half my street.
A slow leak was ruining our kitchen ceiling. They found it in twenty minutes with no mess and sorted it the same day. Fair price and absolutely no drama.
Call the emergency line any time, or send a few details and we'll come back to you fast, usually within the hour during working hours.
We've got your request and a real person will call you back shortly. For anything urgent, ring 020 7946 0312.