"We decided to change our old storage heater system for a new high efficient gas boiler system with radiators. We checked out various websites and narrowed it down to 3 local companies, GBM being one of them. We got all the three to quote, and GBM were just slightly cheaper than the others. After talking to them and explaining our requirements, we decided on GBM. Now the work is complete. We can definitely say that we made the right choice. It was a lot of work to do while the house was still occupied, but their engineers were excellent. They kept everything as tidy as possible and completely cleared it up at the end. The new heating system is first class."
Mr Webb, Bedfont, Middlesex