At LDN sash window co, We will go to extreme lengths to save the authentic style of timber windows while raising their level of energy efficiency. By inserting the new, slim, double glazed hardwood sashes into the existing frame, we call this “the retrofit system” Ldn sash window co reduce the disruption as well as need for redecoration and thus the total project cost.

By simply replacing your original, single glazed sash with a bespoke, replica hardwood sash we can reduce the overall mess produced by the project substantially. We pride ourselves on offering double glazed hardwood sash windows that are so genuine in look they are often mistaken for the original window. You can be sure that your home will retain its original charm and character, regardless of your choice – either to keep your original windows and retrofit or choose complete replacements from LDN sash window co. 

Double glazed sash windows by LDN sash window co LTD 

Our fabulous double glazed hardwood windows will significantly reduce draught and sound concerns, make their maintenance easier and offer effective heat retention. Double glazing your windows with us can absolutely improve your home’s security. Upgrading and double glazing your windows with LDN sash window co, is a sure way to improve your energy costs.

Reduced energy bills, increased efficiency and easy long-term maintenance, are a few of the important bonuses that upgrading your windows with us will bring. We understanding of current building guidelines means that all our double glazed windows are sure to be able to fulfill their standard. At LDN sash window co. we manufacture and install custom-made slim, double-glazed sashes that comply with part L of the building regulations our units come argon gas filled as standard and a warm edge spacer bar. 

We understand that traditional types of sash windows have the glass fitted on the outside and rebated within, resulting in them being difficult to modify to double glazed units. We comprehend that current building regulations signify that it will be virtually unthinkable for new properties to contain single glazed windows.

Whether you live in a traditional listed building or a new, modern city in the centre of London, our sash windows have bespoke double glazed sashes that will meet your preference. Enjoy the benefits of double glazing in your home the whole year through, with warmer winters and cooler summers, our windows have many functions.