Absolutely brilliant from start to Finnish no hard sell no rubbish, no insulting prices, and haggling just polite plain Talking with the information and options available to have my boiler replaced and that was just the surveying. The guys turned up bang on time , smart friendly and informative about the work to be done answering any questions and got straight into it .and worked non stop to a excellent standard of workmanship in every way leaving me with no doubts on quality and that was even before the job was finished. The guys tested the system through out when pressuring constantly checking everything until they were satisfied everything was perfect . These guys were perfectionist throughout the job and left the place spotless. I can honestly say all the work was second to none. I myself have been a builder for 33 years and run my own building maintenance business so to have such quality tradesmen / gas safe engineers from Doncaster working on my own house for me was a absolute pleasure and would fully recommend to my own customers when regularly asked because there local guy Keeps letting them down . ...Karl at low cost(midlands) brick re-pointing & Property maintenance services.