Absolutely shocking experience. Ordered 3 sash windows for our 18th century house and based on previous experience we expected the best.Paid over £3k deposit for a £7.5K job High price but you pay for quality ? BUT the windows, all 3 had been wrongly measured and could not be fitted. And if this was not enough we now learn that the fitter will not get paid. He and his mate tried their best and even called out the Everest seniors to check the job. Shabby treatment all round and we wait for our money back. Will not be using them again . Post script- Everest will not return the money I paid. Unethical, incompetent, unreliable, negligent. YOU HAVE BEEN WARNED