The Boiler Installation, Breakdown & Service Specialists

Which? Trusted Trader

Gas Safe registered

Worcester Accredited

Why choose HeatGlow?

HeatGlow are your local Heating & Plumbing company serving the areas around Cardiff including Penarth, Barry, Newport and Caerphilly. We are Worcester and Which? Accredited and ready to share our expertise with you.

HeatGlow was founded in 2014 with the aim of offering a friendly and polished customer experience when it comes to everything boiler related.


The boiler is the beating heart of your home, and you can rest assured we will be open and honest with all of our advice. What we offer is fantastic value for money and that personal touch, but with all of the latest infrastructure from annual boiler service reminders, digital certificates, an online booking system and even instant boiler quotes on our website making every aspect of what we do seamless.

All of this comes with the backing of a rigorous ‘Which? Trusted Traders’ endorsement and a long list of five star customer reviews.


Trusted & Reliable

You can rely on our Which? Trusted Trader staff. We have years of experience installing and repairing boilers from all the top manufacturers.


Save on your gas bill

We will discuss with you the benefits of a new boiler and further ways to save money on your bills, e.g Smart control installation.

First class guarantee

We offer up to 12 year guarantees on Worcester Bosch products, beating the likes of British Gas and other competitors.

Our Services

Plumbing & Gas

Boiler installation

Boiler servicing

Boiler repair

Radiator installation

Radiator valve replacement

Gas leaks

Boiler maintenance

Landlord Gas certificates

Smart thermostat installation

Underfloor Heating

Hot water cylinders

Worcester combi boiler


Burst pipes

Ball-valve repair/replacement

Kitchen tap replacement

Dripping taps

Toilet replacement

Toilet repair

Noisy pipes


Gas cooker installation

Gas fire removal

Legionella risk assesment

Top Picks for Thermostats

HeatGlow Partners:

Gareth Jones & Tom Williams



28 St Francis Rd



CF14 1AW

Vat no. GB 273937957

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