Gas Safe · 20+ Years · 24 Hour Service

St Albans Boilers, Bathrooms & Smart Heating — Done Right.

ACPlumbing & Heating — Gas Safe registered, City & Guilds qualified and Which? Trusted Trader. Led by Adam, with over two decades' experience installing, servicing and repairing boilers across Hertfordshire, Bedfordshire & London. 100% guarantee on every job.

Gas Safe Registered
Which? Trusted Trader
100% Workmanship Guarantee

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St AlbansHemel HempsteadWatfordHatfieldLutonHarpendenRadlettHertfordshireBedfordshireLondon St AlbansHemel HempsteadWatfordHatfieldLutonHarpendenRadlettHertfordshireBedfordshireLondon

The plumber Hertfordshire homeowners actually trust.

Honest pricing, punctual service, proper qualifications and the kind of workmanship you'd want in your own home. Every job — guaranteed.

20+

Years' Experience

Over two decades of plumbing and heating expertise across Hertfordshire, Bedfordshire and London.

100%

Workmanship Guarantee

Every job backed by a 100% guarantee. If something isn't right, we'll put it right.

24/7

Emergency Cover

Burst pipe at 2am? Boiler dead before work? We're open 24 hours, 7 days a week.

5.0

Customer Rating

Every published review is 5 stars — and most mention Adam by name. That's not luck.

Excellence meets reliability — built on 20+ years of honest work.

ACPlumbing & Heating is the definitive choice for plumbing and heating across Hertfordshire, Bedfordshire and London. Led by Adam — named and praised in every client review for his honesty, punctuality, professionalism and fair pricing — the company has built its reputation on doing the job properly the first time, every time.

  • Gas Safe Registered — fully qualified to work on any gas appliance
  • City & Guilds qualified — formal training, not learned on the job
  • Which? Trusted Trader & Check a Trader listed
  • Approved by 7 major manufacturers — Worcester Bosch, Vaillant, Baxi, Viessmann, Ideal & more
  • St Albans Local Council approved — fully insured, properly accountable
Talk to Adam Today
ACPlumbing & Heating quality boiler installation in Hertfordshire
Gas Safe Registered 20+ years' industry experience

Everything you need for a warmer, drier, safer home.

From new boiler installs to leaking taps at midnight — one trusted local team for every plumbing and heating job.

Boiler Installation

New boiler supplied and installed — all major brands. Worcester Bosch, Vaillant, Baxi, Viessmann, Ideal & Glow-worm approved partner.

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Boiler Service & Repair

Annual boiler service from a Gas Safe engineer. Fault finding and repair on all makes and models — fast, fair, no upselling.

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Landlord Gas Safety (CP12)

Annual landlord gas safety certificates. Quick turnaround, properly inspected and fully compliant. Block bookings welcome.

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Smart Controls & Underfloor Heating

Smart thermostat installation and full underfloor heating design and installation. Control your home from your phone — and save on bills.

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Bathroom Renovations

Full bathroom design, supply and installation. From taps to tiling, we'll project-manage the whole thing — or just the plumbing.

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24-Hour Emergency Plumbing

Burst pipes, leaks, blocked drains, no hot water, no heating — we're available 24 hours a day, 7 days a week across Hertfordshire.

Call now
Adam — ACPlumbing & Heating owner and lead engineer
Meet the team

Adam — owner, engineer, and the reason every review is 5 stars.

Every single published review of ACPlumbing & Heating mentions Adam by name. Honest. Punctual. Professional. Fair-priced. Those words aren't marketing — they're what real customers wrote unprompted.

Adam has spent over 20 years in the trade and built a business in St Albans that homeowners and landlords across Hertfordshire actually recommend to friends. He's Gas Safe registered, City & Guilds qualified and approved by every major boiler manufacturer in the UK.

"AC Plumbing is definitely a contact number you cannot lose. They provide an honest, professional service in an industry which is full of rogue traders."

Real installations. Real results.

Take a look at recent jobs across Hertfordshire — boilers, leaks, plumbing repairs and full installations.

Boiler Install
On Site
Quality Work

Approved by the brands you already trust.

"It's so nice to find a plumber you can trust."

Real reviews from real customers — every single one mentions Adam by name.

★★★★★
"Adam came round on the day I called him and replaced a corroded pipe in our home. He was quick, efficient and did a beautiful job. The price was very reasonable too. We will call him again and we have recommended him to others. It's so nice to find a plumber you can trust."
Verified ClientSt Albans
★★★★★
"Adam was thorough in his evaluation of what was required to solve our heating problem. He was honest and did not over sell on the next job we gave him. AC Plumbing is definitely a contact number you cannot lose. They provide an honest, professional service in an industry which is full of rogue traders. Highly recommended."
A local gem — Verified ClientHertfordshire
★★★★★
"Super helpful professionals. Not only they helped me to buy what we wanted for our bathrooms, but also helped to deal with issues when what we ordered arrived broken and they did a super job on going to buy a replacement on the day of the job. Great team and happy to recommend."
Verified ClientHertfordshire bathroom install
★★★★★
"We contacted Adam because we had a radiator that would not turn off, so he came to install a new radiator valve, and also fixed a couple of leaks found in the process. He's very professional and nice, would definitely recommend!"
Verified ClientRadiator & leak repair

Honest pricing. Fair quotes. No pressure.

Whether you need a new boiler, a CP12 certificate, an emergency plumber or a whole bathroom redesign — tell us what you need and we'll come back with a fair quote, fast.

  • Free, no-obligation estimates
  • Direct line to Adam, the owner
  • 100% guarantee on all workmanship
  • Open 24 hours for emergencies

Request a Quote

Quick form — Adam usually replies within a couple of hours during the day.

By submitting you agree to be contacted by ACPlumbing & Heating. We never share your details.

Honest answers to common questions.

The things St Albans homeowners ask us most often — answered straight.

Yes — ACPlumbing & Heating is fully Gas Safe registered. By law, anyone working on gas appliances in the UK must be on the Gas Safe Register, and we have been for years. We're also City & Guilds qualified and an approved partner of Worcester Bosch, Vaillant, Baxi, Viessmann, Ideal and Glow-worm.
We're based in St Albans and cover all of Hertfordshire, Bedfordshire and London — including Hemel Hempstead, Watford, Hatfield, Luton, Harpenden and Radlett. If you're nearby and not sure, just give Adam a call on 07742 483970.
Yes — we're open 24 hours, 7 days a week for emergency plumbing and heating call-outs across Hertfordshire. Burst pipes, no heating in winter, leaks, no hot water — call 07742 483970 any time.
It depends on the boiler, the size of your home and the complexity of the install — but we promise a fair, transparent quote with no hidden costs and no high-pressure sales. We'll explain the options, recommend what genuinely suits your property and let you decide. Get in touch for a free, no-obligation estimate.
Yes — landlord gas safety inspections and certificates are one of our core services. We work with landlords and letting agents across Hertfordshire on single properties and block bookings. Quick turnaround, properly inspected, fully compliant.
Yes — every job is backed by a 100% workmanship guarantee. We're Which? Trusted Trader and Check a Trader listed, St Albans Local Council approved, and fully insured. If something isn't right, we'll come back and put it right.

Talk to Adam today.

Call, message, email or fill in the form — we usually reply within a couple of hours during the day, and we're open 24 hours for emergencies.

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We'll get back to you as soon as we can — usually within a couple of hours.

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