Neath. Market leading double glazing in Neath, Vale and Valleys, Neath Abbey, Glynneath, West Glamorgan & surrounding areas. ✅ FREE online window, door, Conservatory & orangery quotes. MPN Windows, the Neath Port Talbot based window company with over 25 years experience that can deliver the best quality windows, doors and conservatories. Get a Quote online or call/text us on 07976 640 959.