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Gas and Central Heating Installations

Top Plumb are Gas safe (previously Corgi) Registered and qualified to offer a full range of gas appliance installations, including hobs, cookers, fires, and boilers. In addition we specialise in innovative space creation solutions by repositioning all types of boilers in all types of places. The central heating systems we install range from all inclusive budget options to top of the range multi boiler systems.


Breathe new life into your old central heating. Powerflushing cleans away the sludge and scale from inside your heating system, leaving it more efficient, reducing your heating bills and prolonging its life. If your heating has poor circulation, is noisy when warming up, has cold spots on radiators, or blockages cause the boiler to cut, then a powerflush may well be the answer.

We believe we are the most competitively priced powerflushing company in Berkhamsted and Hemel Hempstead. A standard 7 radiator powerflush includes all chemicals.

Landlords Certification

Landlord certificates are available promptly and our pricing structure proves cost effective.

Green Solutions

Doing the right thing does not mean you have to compromise on comfort. We believe in warming your home without warming the planet. Our choice of planet friendly options include solar powered water heating, rainwater harvesting systems, bespoke wood burning central heating or simply fitting thermostatic radiator valves to your existing radiators.

We try to remain local cutting out unnecessary travel, wherever possible we will recycle materials removed from your home, and to put our money where our mouth is our special offers will always include a promotion of something Green. We welcome enquiries about what we are doing to ecologically tread lightly.

Boiler Maintenance and Servicing

All Boiler manufacturers recommend regular servicing, to prolong the life of you boiler, and for you safety and peace of mind. Unlike many Plumbing companies who simply use a gas analyzer to check your boiler is burning correctly, our service includes a physical check of the boiler and all safety components as well as cleaning inside. A full boiler service also involves dismantling and cleaning the boiler components before recommissioning (e.g. filters etc). We can service any make or model of gas boiler.

General plumbing and ground works

All general plumbing works including underground plumbing and drainage are undertaken. There is no job too big or small.

LPG & Calor Gas Specialists

Country & rural living doesn’t mean compromising on comfort and convenience.

LPG is a versatile fuel that offers all the benefits associated with mains gas unlike the oil alternative. It provides instant, controllable heat, so hob cooking is just like cooking on mains gas.
Please contact Top Plumb to discuss your options.

Nest Pro Installer

Ever heard of the Nest Learning Thermostat? Well if you haven’t it’s time that you did.

The Nest Learning Thermostat is a programmer and thermostat in one. It learns the temperatures that you like in your home and can program itself accordingly. It can also get to know your routine in order to turn down the heat when you’re away and turn it up when you’re back home. Amazingly, it can also be all controlled from your mobile phone, laptop or tablet!!

If you want to be more eco-friendly the Nest Learning Thermostat can also help you do this. It can show you how much heat you have used over the last ten days and give you an Energy Report every month so you can then track and manage your energy use. Anything that can reduce your energy bills has got to be worth looking into further!

At top Plumb we have a qualified Nest Pro Installer that can give you more information about the Nest Learning Thermostat as well as install it in your home.

What Our Customers say about us

Choose a family-run plumbing and heating company you can trust.

Thanks Kevin and Kerry for your excellent service. I know I'll be able to

Helen. H
Boiler Repairs - Hemel Hempstead
March 2017


Just would like to say thank you to your chaps for their professional approach.Worked

Steven H
New gas supply


I am very happy with the work carried out by Top Plumb. It was

Alan. B
Pipe work

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