Hello and welcome to the Masterframe Sash Window website.
As sash window specialists, we set out to manufacture the finest authentic sash windows available, retaining the elegant proportions of traditional sash windows. Because we only make sash windows we are dedicated to leading the field in innovation and aesthetics to ensure that your sash window operates perfectly and enhances the character of your home. Read more or see who we are and what we do
We are in the process of updating our marketing materials to reflect the options available for compliance to the revised building regulations from 1st October 2010.
Please speak to our sales team who can advise you on how we comply to either the required U Value of 1.5 or a WER of C or above.
Masterframe Sash Windows now "A" rated as standard
