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.
Calstock
Calstock is a civil parish and a large village in south eastern Cornwall, England, United Kingdom, on the boundary with Devon. The town is positioned on the River Tamar 6 miles (9.7 km) southern west of Tavistock as well as 10 miles (16 kilometres) north of Plymouth. The church had a population of 6,095 in the 2001 census. This had enhanced to 6,431 at the 2011 census. The parish includes 5,760 acres (23.3 km2) of land, 70 acres (0.28 km2) of water, as well as 44 acres (0.18 km2) of the tidal Tamar. Ashburton Hotel as well as Danescombe Quay ignoring the River Tamar In addition to Calstock, various other settlements in the parish include Albaston, Chilsworthy, Gunnislake, Harrowbarrow, Latchley, Metherell, Coxpark, Dimson, Drakewalls, Norris Green, Rising Sun as well as St Ann's Chapel. Calstock town is within the Tamar Valley AONB, is neglected by Cotehele home and also yards, as well as rests on the picturesque Tamar Valley railway. Calstock train station opened on 2 March 1908. The town is twinned with Saint-Thuriau in Brittany, France.