DO NOT USE THIS COMPANY! All the other reviews were right and I wish that I had read them before wasting hundreds of pounds. They came to fix a problem with my undefloor heating. On the first visit they identified a problem and said I needed a new part. But on the second visit, to install that part, they suddenly identified another problem that would require another new part and another visit. They - who have a trade discount - then quoted me a price for the part which was 50% more than what I was able to find it for online. I refused to be scammed and went with another firm who were able to fix the problem for far less