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.
Fishguard
Fishguard is a seaside community in Pembrokeshire, Wales, with a population of 3,419 in 2011; the area of Fishguard as well as Goodwick had a population of 5,407. Modern Fishguard contains two parts, Lower Fishguard and the "Main Town". Fishguard as well as Goodwick are twin towns with a joint Town Council. Lower Fishguard is thought to be the site of the original hamlet where contemporary Fishguard has expanded. It remains in a deep valley where the River Gwaun fulfills the sea, hence the Welsh name for Fishguard. It is a normal angling village with a short tidal quay. The settlement extends along the north incline of the valley. The major community has the parish church, the High Street and also the majority of the contemporary growth, and also lies upon the hill to the south of Lower Fishguard, to which it is signed up with by a steep and winding roadway. The part of the town that encounters Goodwick grew in the initial years of the 20th century with the advancement of Fishguard Harbour.