These people are very nice if you have no issues and don't complain about anything. But I did ..! The installation team left some debris inside and outside of the house. Although sheets were used indoors they were wet and dirty. The patio door handle proved difficult for me to operate with elderly arthritic hands and so I asked if a more suitable option might be available (at extra cost). The jointing on the windows appears quite poor and misaligned in places. They look like factory seconds. I would like to attach a photo here but there seems not to be an option to do so. The boss came to visit regarding these concerns. He was unable to cope with criticism in a professional manner and walked out refusing to deal with me further. So I am left with a door handle that is difficult to operate and windows of dubious quality.