Evening,

Thought about getting double glazing fitted in place of old, bad metal
framed stuff.

Looking to replace front and rear doors, 1 full bay window and three
bay windows sitting on walls about 3 ft high (whatever this type are
called) and 3 4ftx 4ft, 1 4ft x 2ft and a 5ft x 4ft ordinary windows.
Cat A rating for frames and glass (Pilkington K3). Good locks and
bolts. All sills replaced and everything taken out taken away.

Had a quote for around £11K. (This is for a property in London). 3
days to do the job.

Is this reasonable? Or way over the top.

TIA