Best Plumbing Websites in the UK: 7 Real Examples and What Makes Them Work

Most lists of the best plumbing websites are written by designers, and they pick sites that look good on a 27-inch monitor. This one is written by someone who builds websites for UK trades, and it judges seven real plumbing and heating sites on one question: would this page get a homeowner with a cold house to ring the number?

I went through each site on a phone and on a laptop in the last week of October 2026, checked what every service page actually ranks for, and counted the reviews. Where a figure is on the page, I have quoted it. Where it is not, I have said so.

If you want the method behind why these things matter, my guide to SEO for plumbers covers it. This page is the evidence.

How I judged them

Five things, and none of them is the colour scheme.

1. Is the phone number in the header, and does it dial when tapped? Someone with water coming through the ceiling is on a phone. A number that is buried, or shown as an icon, is a job lost.
2. Is the Gas Safe registration on the page, or implied? The badge, and ideally the number. “Fully qualified engineers” in a paragraph does not count, and neither does a badge that cannot be checked.
3. Does each service have its own page? Boiler installation, boiler repair, servicing, bathrooms, emergency call-outs. One Services page listing fifteen things ranks for none of them.
4. Is there a review count next to the stars? “5 stars” means nothing. “4.9 from 800 reviews” is proof.
5. Is there a price, a range or a worked example anywhere? The page that stays silent about money loses to the one that does not.

Every site below passes at least three. Three pass all five.

The seven UK plumbing websites

1. Gareth Williams Heating, Newport

A Gas Safe boiler firm in Newport covering Cardiff and South Wales since 2007. This is the strongest site of the seven and it passes all five tests without trying very hard.

The header carries the phone number under a “Call today” label beside a red Get a quote button. The hero reads “The boiler company Newport actually trusts” over four bullet points: no hidden fuel supplements, Gas Safe registered with the number 233679 printed, 4.9 stars from 800+ independent reviews, and finance available.

Under that, three review cards print the score, the count and the date: 9.95 out of 10 from 650 reviews on Checkatrade, 4.9 from 133 on Which? Trusted Trader, 5.0 from 22 on Google, all “as of Aug 2026”. Nobody else in this list dates their review counts.

The part that does the work is a section called “Real prices, published up front”. Three boilers are listed as fitted totals including VAT: an ATAG combi from £2,999 with an 18-year guarantee, a Vaillant system boiler from £3,299, a Baxi heat-only from £2,999, each with the flush, the filter and the thermostat listed underneath. The copy says it plainly: “The national installers made you fill in a form to see a price. We just show you.”

Lower down, six recent jobs are listed with the town, the house type and a cost band from £ to £££, and the footer links the Gas Safe number to the register so a visitor can check it.

Worth copying: the dated review counts and the fitted prices. If your job is a boiler swap at a predictable cost, put the number on the page and let the nationals hide theirs.

2. GK Plumbing & Heating, Aylesbury

A Gas Safe and OFTEC registered firm in Aylesbury that also answers for High Wycombe, Milton Keynes, St Albans and Oxford. The second site to pass all five.

The top bar runs five local phone numbers, one per town, each tappable. Under the logo, five stars sit beside a quoted review, and an orange Call Now tab stays fixed to the right edge as you scroll. The hero carries two circles: Fast Boiler Repairs with a freephone number, and 0% Boiler Finance.

The price is in the first screen on a phone. An autumn offer prints a boiler service at £85 plus VAT against a standard price of £99.50 plus VAT. Beside the Gas Safe and OFTEC logos, the page claims over 200 Checkatrade reviews at a 9.63 rating and over 20,000 completed jobs.

Lower down, every town gets a named local engineer with a photo and his own phone number, and the site has a plumbers page and a bathrooms page for each of eleven towns. That is twenty-two pages built to rank for “plumbers [town]” and “bathrooms [town]”, which is why the firm shows up across four counties.

Worth copying: a named engineer per town. “Your local engineer: Gareth Knell, call 01296 434 785” is more convincing than any map.

3. Glasgow Gas Engineers, Glasgow

A small Gas Safe firm in Glasgow with 25 years on boilers, run by Frankie, who is named in most of the reviews. The third site to pass all five, and the one with the least money spent on it.

The header reads “Call for a FREE QUOTE” beside the phone number. The hero prints “Gas Safe Registered · 25 Years’ Experience” above the headline, and the first proof line under it says “Rated 5 Stars From 166 Google reviews”. A Typeform quote form sits in the page, the Google reviews feed in live through a widget, and the van photo is the firm’s own.

What sets it apart is a cost guide most plumbers would never publish: a like-for-like combi swap at £1,600 to £2,500, a system boiler with cylinder at £2,500 to £3,500, an annual service at £70 to £100, a repair call-out at £80 to £150, and a common repair at £100 to £400 with parts and labour. Then a paragraph explaining why a relocated boiler costs more. That is the page a homeowner wanted to find at eleven at night.

One thing I would change: the contact email in the footer is a Gmail address. For a firm asking for a £3,000 boiler job, an address at the firm’s own domain costs almost nothing and removes a doubt.

Worth copying: the cost guide with the explanation underneath. Ranges are enough. The explanation is what stops the price scaring people off.

4. JLN Plumbing & Heating, Coventry

A family-run heating, renewables and electrical firm in Coventry with 19 years on the tools, built by Built For Trades. Passes four of five.

The top bar carries four quote buttons, one each for air conditioning, heat pumps, solar and boilers. The header prints the phone number and the email, and the hero reads “5.0/5 Average Review Score (198 reviews)” with a Google quote beneath.

Eight accreditation logos run across the page: Gas Safe, MCS, NICEIC, Heat Geek, F-Gas, Vaillant, Worcester Bosch and DBS Checked. The company number is in the footer.

The service structure is the best in the list. Twenty-one service pages, from boiler installation to landlord electrical certificates, and eleven area pages from Kenilworth to Birmingham. Every one of those is a search this firm can rank for that a single Services page never would.

The one miss is price. Four quote buttons, no numbers. For a firm installing heat pumps and solar, even “from” figures would filter the enquiries that were never going to buy.

Worth copying: one page per service, properly. Twenty-one is a lot. Six would still beat most plumbers in your town.

5. Plumb London, London

A plumbing and heating company covering every London borough with more than twenty engineers on the road. Passes four of five, with a caveat.

The phone number is the biggest thing in the header, a blue button at the right, and the top bar carries Book an Appointment and a WhatsApp link. The hero opens with a “Rated 4.8 of 5” pill and five stars, over a photo of the firm’s van in front of Big Ben. Lower down the page prints “2,969 Happy Customer Reviews”.

The coverage is the thing to study. The Coverage menu lists more than eighty area pages, from Acton to Woolwich, plus a page for each London region. Three case studies name the postcode and the job: a Daikin multi-split in N6, a boiler and ceiling repair in SE15, a shower room in W1.

The caveat is on the accreditation test. The page says engineers are “fully qualified, registered and experienced”, and then, further down, that gas work is subcontracted to Gas Safe registered engineers.

That is honest, and it is also a reason to put the subcontractors’ registration on the page rather than a generic Accredited heading. No price anywhere.

Worth copying: case studies with the postcode in the title. “Boiler and ceiling repair in Peckham, SE15” ranks for a search, and reads as proof.

6. East Goscote Plumbers, Leicester

A plumbing and heating firm in Leicester trading since 1972, with gas, oil and LPG heating, air conditioning and solar. Passes four of five.

The header prints the phone number large, the email and the depot address. A yellow Instant Boiler Quote button sits at the end of the nav, and a second “Get a quote! It only takes 30 secs” tab floats at the bottom left.

A Trustindex widget shows “Excellent, based on 970 reviews” with the last nine Google reviews, several naming the engineer who turned up. Gas Safe, OFTEC, APHC, MCS and Refcom logos run in a band, a team photo sits in the services section, and the footer prints opening hours and the company number.

The quote tool is the right idea for boilers: a homeowner answers a few questions and gets a figure in thirty seconds instead of waiting for a survey. What is missing is a single price on the page itself, so the site passes on the strength of the tool rather than a number.

The thing I would change is the first screen on a phone. A cookie banner, a WhatsApp chat bubble, a “Book a home visit” tab and the quote tab all load at once over the hero, and the headline is hidden behind them until you close three things.

Worth copying: the instant quote tool for boiler swaps. It answers the money question without you picking up the phone.

7. Ace, Southampton

A plumbing, heating, electrical and drainage firm in Southampton, trading since 1978, covering Winchester and Portsmouth. Passes three of five, and it is here because the structure is right even where the proof is thin.

The header carries a red box reading “Contact us for emergency service, Available 24/7” with a phone icon, and the hero puts a red Call button with the number under the headline.

A strip of certification logos sits directly under the hero. The nav splits plumbing, heating and electrical, and each has a page per town, so “plumbers in Winchester” and “heating engineers in Portsmouth” have their own URLs. A service area map and a company registration number round it off.

What it lacks is the proof the others have. One named testimonial, no review count, no price, and a footer that still says Copyright 2017. For a firm this established, a Google review count in the hero would cost nothing and do more than the map.

Worth copying: a page per trade per town. Three trades across three towns is nine pages, each one a search.

Two from the US worth a look

The American sites are built by people with bigger budgets and more data than any UK sole trader, which makes them worth stealing from selectively.

A Good Plumber, Brooklyn

A family-owned firm in Brooklyn working for over 30 years. The blue top bar carries a Request Appointment button and a Call button side by side, and two sticky tabs on the left edge repeat them as you scroll. The hero is a photo of three orange vans carrying the firm’s cartoon plumber, with an engineer leaning out of each cab.

A Google widget reads “4.8 Based on 679 reviews”, the page states that three licensed master plumbers are on staff, and the footer prints all three licence numbers: #1948, #2434 and #2517.

The lesson is the licence numbers. Not the badge, the actual numbers, in the footer of every page. Gareth Williams Heating does the same with its Gas Safe number, and it is the cheapest trust signal there is.

Boston Budget Plumbing, Boston

A plumbing and heating firm covering Greater Boston from two offices, built on Framer. The header phone pill reads “Call or Text”, which is a small thing that most UK plumbers miss: half their customers would rather text. The hero photo is the three owners in front of the van with the caption “Three owners making a difference in the trades”.

A review strip prints 4.7 from 793 reviews across Google, Yelp and Angi, the footer prints licence number #15237, and a carousel shows fourteen technicians by name, each photographed in the firm’s shirt.

The lesson is the technician photos. The homeowner is letting a stranger into the house. Showing them which stranger, by name, before they ring, is worth more than any badge.

What the best ones have in common

Put the seven side by side and the pattern is obvious.

The phone number is in the header on all seven, and five of them make it the biggest thing there. The Gas Safe badge is visible in the first screen on five. Every one uses a photo of its own van, its own people or its own jobs somewhere on the homepage.

The review count appears next to the stars on five. The three that print a price are the three that pass every test. And the smallest firm on the list, Glasgow Gas Engineers, is arguably the most useful page for a homeowner, because it answers the question every other site makes you ring to ask.

The thing only one of them does

Only Gareth Williams Heating prints its Gas Safe registration number where a visitor sees it without scrolling, and it is the only site of the seven that links that number to the Gas Safe Register so the visitor can check it. Six sites show the badge. One lets you verify it.

That matters because “Gas Safe” is on every heating site in the country, including the ones that should not have it. A number a homeowner can check in ten seconds is the difference between a claim and proof, and it is the same difference the US sites make with their licence numbers.

The other gap is price. Four of the seven say nothing about money on a site asking for a two or three thousand pound boiler job. The plumbing keywords people type are full of “cost” and “price”, and those searches are going to whichever site answers.

If yours does not compare well

The honest thing to do is run the five tests on your own site. Phone in the header, Gas Safe number on the page, a page per service, a review count, a price. Count the passes.

If it is under three, the websites for plumbers page shows what I build instead, at £199 a month plus VAT with the build included and the site yours to keep. If you are weighing that against building it yourself, my guide to what a plumber website costs puts the agency, builder and monthly routes side by side. I ran the same seven tests on electricians in the best electrician websites in the UK, and the gaps were the same.

If you’d like a second opinion, book a free 20 minute call and I’ll ring you to go through the jobs and areas you want more of. I’ll tell you straight whether I can get you found for them.