Avoid this company. Their warranty is not worth the paper it is written on. The owner is extremely charming to begin and get your business then he becomes the rudest, most abusive man and appears slightly unhinged once you have a problem. The staff are rude, will not come back to you at all.
They change the business name and liquidate the old business so that you cannot claim on your warranty and their windows DO NOT last more than 3 years without developing issues. That should be a criminal act, doing that to customers.
They give double glazing a really bad name. read more