Be sure to consider all when determining if triple glazed windows are right for you. The cost is only slightly higher than that seen with double glazed versions. For this reason, many find qoutes for triple glazing at “Double Glazing Pro” is exactly what they want and need
Choosing the right material may largely depend on your budget. You can find out more here https://www.mylocalprices.co.uk/cost-guide/double-glazing-prices/, but broadly speaking uPVC are the cheapest, followed by aluminium, with wooden frames the most expensive.