Plumbing
Plumbing services in Harpenden & across Hertfordshire
Leaks, dripping taps, blocked and leaking waste, new showers, cylinders and pipework — done properly, cleaned up afterwards, priced honestly.
Most plumbing problems are small until they aren't. A slow drip under the sink, a toilet that won't stop filling, a radiator valve that weeps — left alone they waste water, stain ceilings and damage floors. We'd rather fix it at the small stage.
We handle everyday domestic plumbing across Harpenden, St Albans, Luton, Wheathampstead and the surrounding areas: tracing and repairing leaks, replacing taps and valves, fitting showers and cylinders, plumbing in appliances, and carrying out full or partial re-piping when old pipework has had enough.
You'll get a clear explanation of what's wrong, what it will cost to put right, and a tidy job at the end of it. If something is better replaced than repaired, we'll tell you that too.
A local plumber for Harpenden homes
Being based on Northfield Road means Harpenden jobs are close to home for us, and most of the surrounding towns are a short drive. When you call a local plumber you get someone who knows the housing here — from older pipework near the town centre to the larger family homes further out — and who relies on being recommended to your neighbours.
If you're comparing firms, our guide to choosing a plumber sets out the checks worth making. We also cover the neighbouring city — see our plumber in St Albans page — and we fit boiling water taps as part of our kitchen plumbing work.
Some jobs deserve their own page: stopcock replacement for a seized or leaking stop tap, immersion heater repair and replacement when the hot water runs cold, shower pump installation for a weak gravity-fed shower, and lead pipe replacement for older supply pipes.

What this service includes
- Leak detection and pipe repairs, including burst pipes
- Taps, mixers, valves and stopcock replacement
- Toilets, cisterns, basins and waste pipework
- Showers, pumps and hot water cylinders
- Full or partial re-piping of hot, cold and heating pipework
- Outside taps, washing machine and dishwasher plumbing
Why us
Why customers choose Andrew Richardson Plumbing and Heating
Local, independent engineers
Everyday domestic plumbing handled by our own local team, from a dripping tap to a full re-pipe.
Clean, careful work
Dust sheets down, mess cleared up and your home left as we found it.
Honest pricing
A clear price before we start and no hidden extras added afterwards.
Fast local response
We're based in Harpenden, so we're not travelling far to reach you.
Open every day
Monday to Sunday, 8am to 8pm — including weekends.
Landlords welcome
Reliable reactive repairs and maintenance for rental properties.
Coverage
Available across Hertfordshire
We cover Harpenden, St Albans, Wheathampstead, Redbourn, Luton, Hemel Hempstead, Welwyn Garden City, Hatfield and the surrounding towns and villages.
Heating & Boilers
Boiler installation, servicing and repairs, radiators, powerflushing and full central heating systems.
Bathrooms & Wet Rooms
From a single tap to a complete bathroom or fully waterproofed wet room, fitted end to end.
Emergency Plumbing & Boiler Breakdown
Burst pipes, no heating, no hot water — fast local response, 8am to 8pm, seven days a week.
Need a plumber or heating engineer in Harpenden?
Call us monday–sunday, 8am – 8pm for honest advice and a free quote on boilers, heating, bathrooms and everyday plumbing.