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.
Moffat
Moffat is a former burgh and parish in Dumfriesshire, which is currently part of the Dumfries and Galloway neighborhood authority location in Scotland, pushing the River Annan, with a population of around 2,500. It was a centre of the wool trade and also a medical spa town. Moffat is around 59 mi (95 km) to the southeast of Glasgow, 51 mi (82 km) to the south of Edinburgh, 21 mi (34 km) to the north of Dumfries as well as 44 mi (71 km) to the north of Carlisle. The Moffat House Resort, situated at the north end of the High Street, was developed by John Adam. The nearby Star Hotel, a plain 20 feet (6 m) broad, was provided in the Guinness Book of Records as the narrowest hotel in the world. Moffat won the Britain in Blossom contest in 1996. Moffat is the residence to Moffat toffee. The community is held to be the ancestral seat of Clan Moffat. The Devil's Beef Tub near Moffat was made use of by the participants of Clan Moffat and also later the members of Clan Johnstone to hoard cattle swiped in predatory raids.