The other night our bedroom window fell out. We had a guy come over today to quote for repair and the guy said just by looking, he could tell what company put them in (he used to work for them) and said company went bust in 1991, thats how old our windows are! He couldn't believe they were still there and the others are also at risk. He quoted us approx £3000 for new brand new windows in 4 rooms; 3 bedrooms and kitchen (lounge and bathroom windows are newer). This seems fairly reasonable to me but wipes out our emergency savings. Does this sound like a fair quote?