SashLine provides superior quality Timber Sash Windows, Casement Windows and Door Systems. Unlike many of our competitors we manufacture, sell and fit all of our windows, which allows us complete control of the process. We use the best quality materials from our trusted suppliers and we pay attention to even the smallest design and fitting details. As a customer focused business we will work with you, your builder or your architect from the initial specification stage through to final installation and fitting. And we will always ensure that the timing of our installation work is convenient for everyone.