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ASG Plumbing & Heating

Fully Qualified & Gas Safe Registered

8 West Avenue, Caerphilly, CF83 2SE Directions

   Open 24 Hours

Why Choose Us?

Fully Qualified
Quality Service
Affordable Prices

Business overview

Plumbing and heating specialists in South Wales

ASG Plumbing & Heating is a reputable company offering a wide range of plumbing and heating services at affordable prices. Based in South Wales, we offer services to customers in Cardiff and the surrounding areas. With 15 years of experience in the business, our expert team can undertake projects of any size and scale. Call us today to discuss your requirements.

Why choose us?

15 years of experience

24-hour emergency call-outs

Free, no obligation quote

Prompt and reliable services


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Products & Services

24 Hour

24 Hour Plumbers

Bathroom Plumbing

Bathroom design and planning

Bathroom heater installation

Bathroom installation

Boiler Engineers

Boiler Installations

Boiler Replacements

Boiler Service & Repair

Boiler installation

Boiler repairs

Boiler replacement

Boiler servicing and maintenance


Central Heating Boilers

Central Heating Equipment

Central Heating Installation

Central Heating Pumps

Central Heating Repairs

Central Heating Services

Central heating installations

Commercial Plumbers

Condensing Boilers

Gas Boilers

Gas Leaks

Gas Plumbers

Gas Safe Registered

Gas Safety

Gas Safety Services

Gas Servicing

Gas appliance installation

Gas central heating

Gas fire installation

Gas safety checks

General plumbing repairs

New shower installations

Power Flushing

Radiator Repairs


Never showed up for appointment.

They may be excellent plumbers for all I know. I called for a boiler service, agreed a time and date, texted the directions as requested to the same number I called to make the appointment and they never showed up. No message, no call, just a no show.
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Someone you can trust

A big thank you to Andy! Andy was my 4th plumber. 1st plumber came to our house and said they would pop back to do the work and never did. 2nd plumber said they would help, a week later said they were too busy. 3rd plumber didn't get back to us then we contacted Andy. I told him our situation and despite advising me he was busy he didn't let us down. He showed up when he said he would, was honest about our boiler needing to be replaced and told me he would fit us in as soon as he could. I'm heavily pregnant and was becoming stressed about the thought of not having a working boiler. He replied back to all my texts, booked me in for the boiler replacement and did an amazing job. Left him to it, he was efficient, no mess after he left too. I honestly can't recommend him enough. 4th time lucky! Thank you Andy , we really appreciate it. We will be using you again in the future!
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Another Good Job

Replaced an old bathroom basin. Very punctual, reasonable price and a clean and tidy job. Second time we've used this company and would highly recommend
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Very comfortable to deal with, good work and good prices.

Very comfortable to deal with, good work and good prices.
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Prompt & Efficient.

My wife and I had a big job done by a local plumbing firm recently, but there were several leaks that needed to be addressed....it turns out the company that we used had recently gone under, so we were left up a creek without a paddle. We rang Andy, and he came around at his earliest opportunity and fixed all of our issues promptly and efficiently. His rates were extremely reasonable, and as he helped us out at short notice, he will be our "go-to" plumber should we have any future issues. Highly reccomended.
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