Northeast Windows, Doors & Conservatories Ltd give you a safe and stylish way to keep your home secure. Our windows and doors are made from the highest quality materials, while remaining competitively priced. These products are available to those within 40 miles of our base in Sunderland, Tyne and Wear, and each comes with a 10-year guarantee for your peace of mind. We are Certass™ approved, and have a team ready to serve you.