Professional We do conduct site surveys ourselves and have an expert team who will provide full project management throughout the process. Homeowner If your enquiry is for your own home and you require installation, then we will pass your enquiry to one of our Approved Partners in your region, who will visit you to discuss and understand your requirements, so that we are able to provide you with a quotation. Once an order has been placed, they will then usually make another visit to conduct a detailed survey to allow us to manufacture the windows and doors to your exact requirements.