Welcome to Fenea Windows & Doors. fenestration /ˌfɛnɪˈstreɪʃ(ə)n/ noun 1. the arrangement of windows and doors in a property. Traditional or Modern, Fenea supplies a wide range of high quality, high performance timber, UPVC and aluminium windows and doors to exacting standards through a range of Builders Merchants and Premium Building Contractors. Choosing External Made to Measure windows and doors for your New Build or Refurbishment Project can take some time. We are here to help guide you through the process of choosing the right product specifications to ensure you comply with Building Regulations, while you choose the style and look that perfectly meets your needs. We offer a wide range of solid timber options as well as thermally broken aluminium and PVC products perfectly suited for both traditional and modern styles, on supply-only or supply-and-fit basis for builders and contractors. Bi-folding doors to roof lanterns, we work with some of the largest UK and European suppliers - there is no site too big or too small.