12 Best Plumbers in St Albans for 2026

🔧 12 businesses · 📍 St Albans
✓ Reviewed regularly · ✓ Updated 22 October 2026
Mark Reid
Written by Mark Reid, Trades Editor · Verified 22 October 2026
Plumbing in St Albans is shaped by the age of the housing. You've got Victorian and Edwardian terraces around Clarence Park and Fleetville with original lead and old copper pipework, 1930s semis in Marshalswick and Sandridge that often still run on ageing gravity-fed systems, and newer estates out towards Harpenden Road and Hatfield Road where unvented cylinders and combi boilers are the norm. Hard water is a fact of life here, thanks to the chalk beneath Hertfordshire, so limescale in kettles, showers and heat exchangers keeps plenty of local plumbers busy. Expect a lot of boiler servicing, radiator and power-flush work, leaking taps and cisterns, and bathroom refits in the cathedral city's period homes.

The businesses here were drawn from third-party business listings and ranked by public review rating and review count, with a small lift for those showing a working website and phone number. We read each business's homepage to confirm plumbers work is what they primarily offer, which keeps unrelated businesses off the page, and permanently closed listings are removed automatically. Where you see a Trust Verified badge, that business has additionally passed our full verification covering trade qualifications and accreditations, public liability insurance, trading history, customer review history, and registered company information. Our How We Verify page has the full list. For anyone without the badge, we haven't independently verified them, so those checks are yours to do before you book.

Get two or three quotes for anything beyond a simple repair, and ask for them in writing with labour, materials and VAT broken out. If the job involves a gas boiler, hob or fire, ask to see the engineer's Gas Safe ID card and check the register yourself using their licence number. Ask what insurance they carry, whether they'll leave you with a warranty or guarantee, and how long the work should take. For bathroom refits or new heating systems, ask who handles Building Regulations notification and what paperwork you'll receive at the end. Be wary of anyone who wants a large cash deposit upfront or won't put anything in writing.
How We Select & Rate The Best Plumbers in St Albans

Businesses on this page are drawn from third-party business listings and ranked mainly by public review rating and review count, with a small lift for those that have a working website and phone number. We read each business's homepage to confirm plumbers work is what they primarily offer. Permanently closed listings are removed automatically. Businesses marked Trust Verified have additionally passed our full verification covering qualifications, insurance, trading history, customer review history and registered company information; see our How We Verify page for the full list. Other businesses have not been independently verified by us, and inclusion is not an endorsement. Always do your own checks before hiring.

Recommended and Featured listings are paid placements, so a business's fee affects whether and where it appears. Every other listing is ranked on rating and review count from third-party business listings. How we rank & verify →

Quick Comparison: Plumbers in St Albans

Our Top Picks

1
Alban Plumbing and Heating Ltd
Not Verified
★★★★★ 5.0 (325 reviews)
St Albans 07342 171269

In St Albans and the surrounding Hertfordshire area, Alban Plumbing and Heating Ltd provides plumbing and heating work for domestic customers. The company covers repairs, boiler servicing and installations, along with general pipework and radiator jobs.

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2
AC Plumbing and Heating LTD
Not Verified
★★★★★ 4.9 (215 reviews)
St Albans 01727 637344

Boiler servicing, central heating repairs and bathroom plumbing are the core of the work at AC Plumbing and Heating LTD, a plumber serving St Albans and the surrounding area. The business is a limited company rather than a sole trader.

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3
Abbey Plumbing & Heating St.Albans Ltd
Not Verified
★★★★★ 5.0 (166 reviews)
St Albans 07850 477195

Plumbing and heating work in St Albans and the surrounding area is the focus of Abbey Plumbing & Heating St.Albans Ltd, a local firm covering repairs, boiler servicing and installations. Residents with leaks, heating faults or system upgrades can reach it through its website.

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4
Baker Smith Ltd
Not Verified
★★★★★ 4.8 (171 reviews)
St Albans 01727 730590

Plumbing services covering St Albans and the surrounding area, Baker Smith Ltd handles domestic and commercial work. The company operates as a straightforward trade outfit, taking on the kind of day-to-day plumbing jobs that local households and businesses regularly need. More detail on their scope of work is available at bakersmithlimited.com.

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5
PHP Services
Not Verified
★★★★★ 4.9 (133 reviews)
St Albans 01727 226264

PHP Services is a plumbing outfit based in St Albans, covering residential and commercial work across the local area. The company maintains a web presence at phpservices.co.uk for enquiries and bookings.

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6
Right Plumbing Ltd
Not Verified
★★★★★ 5.0 (104 reviews)
St Albans 07565 189062

Right Plumbing Ltd describes itself as a plumbing firm based in St Albans, with a listed scope that covers repairs, installations and general plumbing work. Its website sets out the services in plain terms rather than elaborate packages.

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7
St Albans Plumbing Electrical Ltd
Not Verified
★★★★★ 4.7 (119 reviews)
St Albans 01727 309902

Families across St Albans call on St Albans Plumbing Electrical Ltd for repairs and installations to heating, hot water and general domestic pipework. The firm also covers electrical work, which suits households that prefer one contractor for both trades.

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8
BM plumbing and heating
Not Verified
★★★★★ 5.0 (48 reviews)
St Albans 07501 051097

BM Plumbing and Heating describes itself as a plumbing and heating contractor based in St Albans, covering general plumbing work alongside boiler and central heating services. The business lists installation, repair and servicing among its core jobs, keeping its scope to the two trades named in its title.

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9
CK Plumbers Ltd
Not Verified
★★★★★ 5.0 (7 reviews)
St Albans 07723 314021

CK Plumbers Ltd is a plumbing firm based in St Albans. The business covers general plumbing work for households in the city and nearby areas. Its website carries a dedicated contact page, so enquiries can be made online without needing to phone first.

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10
Priority Plumbers
Not Verified
★★★★★ 4.7 (12 reviews)
St Albans 07713 113305

Plumbing work across St Albans and the surrounding area is the focus of Priority Plumbers Ltd, a local outfit covering both domestic and general plumbing requirements. It is a practical option for residents who need reliable local cover without looking further afield.

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11
iGas Heating
Not Verified
★★★★★ 5.0 (3 reviews)
St Albans 01727 537076

iGas Heating is a plumbing and heating business serving St Albans and the surrounding Hertfordshire area. Its work centres on domestic heating systems, from boiler installation and servicing to general plumbing repairs. The business operates under the Herts Heating name online, which reflects its focus on households across the county rather than a single postcode.

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12
Portland Plumbing St Albans
Not Verified
★★★★★ 5.0 (147 reviews)
St Albans 01727 572474

Heating engineers covering St Albans and the surrounding area, Portland Plumbing LTD handles boiler installation, servicing, and general plumbing work for domestic properties. The company operates under a limited company structure, suggesting an established setup rather than a sole trader arrangement.

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Transparency notice: Recommended and Featured listings are paid placements, so a business's fee affects whether and where it appears. All other listings are ranked by a combined score drawn from ratings and review counts published on third-party business listings, plus basic completeness signals such as a working website and phone. A Trust Verified badge means we have independently checked that business's documents; businesses without it have not been independently verified by us. How we verify →

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Frequently Asked Questions

How much does a plumber cost in St Albans?
Most St Albans plumbers charge £50 to £90 an hour, and many set a minimum call-out of £60 to £100. A simple tap washer or ballcock repair might come to £60 to £120 all in. Unblocking a sink or toilet usually runs £80 to £180. A boiler service sits around £70 to £120, while a combi boiler swap typically costs £2,200 to £4,500 depending on the model and whether pipework or the flue needs altering. Emergency and out-of-hours work costs more, often double the usual rate. Prices vary with access, parts and how old your pipework is. Getting two or three quotes is normal and sensible for anything beyond a small fix.
Does my plumber need to be Gas Safe registered?
Only if the job involves gas. Fitting, repairing or servicing a gas boiler, gas hob, gas fire or any gas pipework legally requires a Gas Safe registered engineer. General plumbing such as taps, toilets, radiators (without touching the boiler), and bathroom pipework doesn't need Gas Safe registration. If you're unsure, ask the plumber whether the work touches gas, and for gas jobs check the engineer's ID card and the Gas Safe register online before they start.
What should I do in a plumbing emergency before the plumber arrives?
Turn off the water at the stopcock, usually under the kitchen sink, in a utility room or near the front door. If you can't find it or it's seized, look for the water company's external stop tap in the pavement or driveway. Open your cold taps to drain the system, and switch off the boiler and immersion heater if the leak involves the hot water cylinder. Move electrics and valuables out of the way, and take photos for any insurance claim. If you smell gas, leave the property and call the National Gas Emergency Service on 0800 111 999 rather than a plumber.
Can a plumber fix limescale and hard water problems?
They can manage the symptoms, though not the water itself. St Albans sits on chalk, so water is hard across most of the area. A plumber can descale a shower, replace a furred-up cartridge or diverter, and power-flush a heating system that's gone sluggish, usually £300 to £600 for a house. For ongoing protection, ask about a scale inhibitor on the boiler return or a water softener, which costs roughly £700 to £1,500 fitted. Softeners suit larger households best, and they need salt topping up regularly.
How long do plumbing jobs usually take?
A tap or toilet repair is normally done in an hour or two. A boiler swap takes one to two days, and a full bathroom refit runs from a week to two weeks depending on tiling, waiting for deliveries and whether the floor needs strengthening. Older terraced homes can add time if lead or galvanised pipework turns up behind the walls. Ask for a realistic start date and finish date when you get the quote, and find out what happens if the job overruns.
How can I check a plumber is reliable before I hire them?
Start with the basics. Read recent Google reviews and look for detail, not just star ratings. Ask for proof of public liability insurance and check the cover amount. If gas is involved, check the Gas Safe register using the engineer's licence number, and match the photo to the person at your door. Ask whether they hold relevant trade accreditation for the work, such as unvented cylinder certification for hot water cylinders. Get the quote in writing, ask about guarantees on parts and labour, and be cautious of firms that insist on cash only or a large upfront payment. A Trust Verified badge here means we've checked these items. Without one, you'll need to check them yourself.