How long your aluminium windows will last depends on their quality. They should last 20 -30 years at least, but have been known to stay in good condition for up to 45 years. This is considerably longer than uPVC and wooden double glazing.
Rochford
Rochford is a community in the Rochford area of Essex in the East of England. It is about 43 miles (69 km) from Central London and also roughly 21 miles (34 km) from Chelmsford, the County Town of Essex. According to the 2001 census the civil parish of Rochford, that includes the town proper, and also London Southend Airport, had a population of 7,610, boosting to 8,471 at the 2011 Census. The town is the main settlement in the Rochford district, as well as takes its name from Rochefort, Old English for Ford of the Hunting Dogs. The River Roach was initially called the Walfleet (Creek of the foreigners). It was renamed the Roach in what is referred to as a back formation. This is where it is presumed that Rochford implies ford over the River Roach so they relabelled the river to fit the theory. The community encounters rural growths in the parishes of Ashingdon and also Hawkwell. Kings Hill, in Rochford, was noteworthy for having the Lawless Court up until the 19th century.