
Gareth Mills
Founder & Heating Engineer
Started Castell Home Services with one van; still surveys every heat pump install personally.
Friendly experts who genuinely care about their work.
Meet the team
Experienced engineers who know Cardiff, take the time to listen and get the details right.





Rated a great place to workCareers
At Castell Home Services you'll have the time to do things properly: real conversations with customers, protected training time and a team that has each other's backs.
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Tell us what you need and our engineers will take it from there. It's quick, there's no obligation and we reply the same day.
Rated 4.9 by customers in Cardiff