Commerce Windows Limited are a Northamptonshire based and family run company, offering a wide range of purpose built double glazed UPVC, Wooden or Aluminium windows, doors, conservatories and roofline products with styles and designs to suit every budget and every home or business. As a registered member of the glass and glazing federation's fenestration self-assessment scheme (FENSA) Commerce Windows adheres to all current building regulations and relevant government legislation. We support our products with Clear straightforward professional advice and service Comprehensive rock solid guarantees Caring, reliable after sales service - year after year after year. In addition our comprehensive range of professional building services includes development of design ideas, building plans, planning permission to building approval applications to all construction, extension, conversion and installation building work. From DIY disasters, the smallest patios or driveway construction to the largest home extensions our company policy is the same - we do a good job, at the right price, with customer satisfaction at the top of our priorities. From your first contact with us to your last you will find our development service is second to none.