Plumbing | Heating | Drainage | Bathrooms | Air Conditioning | Leak Detection | Power Flushing
Every trade under one roof for Harpenden homes. Gas Safe registered engineers, a fixed price agreed before we start, and a person on the phone every day of the year.
Pick the trade you need. Each page tells you how the job goes in Harpenden, with a fixed price agreed before we start.
Any hour, any day of the year, and a person answers.
You know the number before a tool comes off the van.
12 months on our own labour, no quibble.


Vantage Plumbing and Heating covers Harpenden from our base in Stevenage. Gas Safe registered under 956889, our own engineers rather than subcontracted labour, and a fixed price agreed before anything starts.
One firm covers the lot, so a bathroom does not mean chasing a separate plumber, tiler and electrician. Choose the job below for the Harpenden detail on it.
Harpenden sits on the same Affinity Water chalk aquifer supply that runs through this whole part of Hertfordshire. Water hardness in town runs around 320 to 350 mg/l of calcium carbonate, very hard, and one of the harder areas in the UK. For a modern combi heat exchanger that has to deal with that water every time the kitchen tap is opened, scaling is the single biggest enemy of long-term performance.
An emergency is anything you cannot turn off, cannot live without, or cannot leave until Monday. A burst pipe, a cylinder overflowing into a ceiling, no heating in February with a baby in the house, a gas smell. Those get answered at any hour, and a person picks up rather than an answering service that calls you back in the morning.
The first thing we do on the phone is work out whether you should be turning something off before we arrive, and where your stopcock is likely to be. That two minute conversation has saved more Harpenden ceilings than anything we do afterwards. Then we tell you a realistic arrival time rather than a comforting one.
Vans carry the parts that fix the common failures on the first visit, so an isolation valve, a ballofix, a pump, a fan or a PCB does not become a second appointment. There is no call out fee in hours, and you are told what the work will cost before anyone starts. Out-of-hours attendance carries a £50 + VAT call-out, quoted on the phone before anyone sets off.
A service is not a look and a tick. The casing comes off, the burner and heat exchanger are inspected and cleaned, the seals and the flue are checked, and the gas rate and combustion are measured against what the manufacturer specifies. If the numbers are out, we say so and show you the reading.
Two things make servicing matter more here than the national averages suggest. Water in Harpenden runs at around 320 mg/l, which is hard, and scale on a heat exchanger costs efficiency long before it causes a breakdown. And most boilers fail in the first properly cold week of the year, which is exactly when every engineer in the county is already booked.
Book in September or October and you get an appointment at sensible notice. Leave it until the heating will not fire in December and you are joining a queue. Landlords: we carry out the gas safety check and the service in the same visit, which is what we would normally suggest since the casing is already off.
You get a fixed price before the work, not an hourly rate that runs. No call out fee in hours either, so a second opinion in hours costs you nothing but the time.
Boiler installations start from £2,850 for a straight combi swap, including commissioning and registration. Repairs, drainage and bathroom work are quoted once an engineer has seen the job, which is the only honest way to price something that varies as much as this does.
If the quote changes because the job is not what was described, you hear about it before we continue. Labour is guaranteed for 12 months.
We run emergency cover 24 hours a day, 365 days a year, and for a genuine emergency in Harpenden you get a realistic arrival time on the call rather than a vague promise. Planned work is usually booked within a few days, sooner if we have a cancellation.
Once a year, and the manufacturer will normally require it to keep the warranty valid. Book it in autumn rather than waiting for the first cold week, when every engineer in the county is already committed.
Yes. It runs at around 320 mg/l of calcium carbonate, which is at the hard end of the scale. In practice that means scale on heat exchangers, tap seats wearing sooner and isolation valves seizing. It is why we fit better brassware than the minimum and why we will mention a scale reducer if you keep replacing the same part.
Yes, registration 956889. You are entitled to ask any engineer for their card before they touch a gas appliance, and you should.
Yes, in full, along with the surrounding villages. If you are on the edge of the area, call and ask rather than guessing, because we cover further than most people expect.
Call and speak to a person, any hour, any day of the year.

Every town below has its own page, because the housing stock and the water are not the same from one to the next.
A straightforward boiler swap starts from £2,850. Everything else is quoted before we start, because the jobs vary too much for a price list to be an honest one.
Yes, genuinely, 365 days a year. A person answers the phone rather than an answerphone you hear back from in the morning.
Yes. A registered electrician certificates that side of the work, so you are not finding a second trade yourself.
Advice from our engineers on the problems we see most often around Harpenden.
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