Warmlite are a FENSA Registered Double Glazing Company

Why choose PVCu Vertical Sliding Sash Windows?

Glazing Options

Sash Windows Glazing options

Sash Window Specialist Options


Ten year guarantee on our sash windows

Our sash windows come with a 10-year guarantee. This gives you the peace of mind that in the unlikely event something should go wrong with your windows, you can get them fixed quickly and conveniently at no cost to you.

British Board of Agrément certificates

Our sash windows have been rigorously and independently tested for weathering, security and general operation to ensure they are ‘fit for purpose’ and have a minimum estimated lifespan of 25 years.

Sash Windows that can be Secured by Design

This is the police accreditation for products to enhance security in your home - our sash windows can be manufactured to these exacting specifications.

Energy Saving Trust recommended

Our range of sash windows are all Energy Saving Trust recommended products, although the higher the rating the more energy you will save!

Talk to our expert team about Sash Windows

If you need any more information on our replacement sash window installation in Surrey and Sash window supply and fitting in SW London and A3 corridor then please get on in touch