Nick was not only extremely professional but also a really nice guy. We had been badly screwed over by another heating engineer (that was recommended by a friend!) and Nick quickly identified all the issues for us ranging from moderate to severe. He provided a proper quote with several options, and there were no hidden extras. He did a fantastic job during the days he was with us and even cleaned up after himself as well. He even came back out on a Friday night when we thought there was a fault with the room thermostat.. and just laughed when it turned out to be a fault with the person using it! I'm definitely going to use Nick again, it's a real no brainer for us. Ticks every single box.