Frequently asked questions

LWS Plumbing & Heating Ltd is a family-run plumbing and heating business based in Northchurch, Berkhamsted. The company is run by Lewis Wiggins, a Gas Safe registered engineer with over 15 years of experience in domestic and commercial plumbing and heating.

We cover Hertfordshire, Bedfordshire and Buckinghamshire, including Berkhamsted, Tring, Hemel Hempstead, St Albans, Harpenden, Watford, Chesham, Amersham, Aylesbury, Leighton Buzzard, Dunstable and Luton. We also take on commercial projects across London. Use the postcode checker to confirm.

Yes. LWS Plumbing & Heating is Gas Safe registered, number 636275. You can check our registration on the Gas Safe Register website.

Yes. We deliver commercial plumbing and heating projects including fit-outs and plant room work, and have worked on hospital and school sites. Call Lewis on 07867 388453 to discuss your project.

No. We now focus on boiler installations, servicing and repairs, plumbing and heating installations, and commercial work.

A new boiler fitted by LWS starts from £1,995, including installation, removal of your old boiler, a system flush, a magnetic filter and Building Regulations registration. The exact price depends on your home and the boiler you choose. Our online quote gives you a fixed price in about 60 seconds.

Yes. As long as the answers you give match your home, the price you see is the price you pay. Lewis confirms the details with a quick call or photo before your installation is booked.

A straightforward like-for-like boiler swap is usually completed in one day. Switching boiler type or moving the boiler can take one to two days.

Combi boilers suit most homes with one or two bathrooms and free up cupboard space. Homes with three or more bathrooms usually do better with a system boiler and hot water cylinder, so several showers can run at once. Our quote recommends the right type for your home.

Most manufacturers recommend a boiler service every 12 months by a Gas Safe registered engineer, and many require it to keep your warranty valid.

A typical boiler service takes under an hour, depending on the boiler and what we find.

We service all major gas boiler brands. Tell us the make and model when you book and we will confirm.

Check the boiler has power, the gas is on, the pressure gauge reads around 1 to 1.5 bar when cold and your thermostat is calling for heat. In freezing weather, check the condensate pipe outside has not frozen. If it still will not work, call us on 07867 388453.

Do not use electrical switches or naked flames. Open doors and windows, turn off the gas at the meter if it is safe, leave the property and call the National Gas Emergency number on 0800 111 999.

Sometimes. If your boiler is over 10 to 15 years old, breaking down often or parts are hard to find, a replacement can be better value. We will always give you an honest view and prices for both.

Yes. We design and install full central heating systems, including boilers, radiators, cylinders, pipework and controls, for homes, renovations and extensions.

Plumbing and heating fit-outs, plant room installations, heating upgrades and hot and cold water services for healthcare, education and commercial clients.

Yes. We regularly plan work around live hospital and school sites, including out-of-hours and holiday working, with RAMS and site documentation in place.