I was impressed from the start by the professional approach made by their representative, subsequently sending me a detailed plan and a surveyor to check everything beforehand. The workmen arrived on time, with everything they needed to complete the job. They set about it quietly and efficiently, and I was amazed at how quickly and professionally the job was completed. The men were polite at all times, and left my house clean and tidy, with nothing left for me to do but to admire my new windows. I can certainly recommend this firm.