Commercial Sash Window Repair and Renovation Specialists & UK Window Supplier. New & Box Sash Window Replacement.

Timber sash and casement window renovation throughout the UK and Ireland

Call us free on 0800 0277 454

About Ventrolla

We are the UK market leaders in timber sash and casement window renovation, offering an alternative to window replacement.

The Sash Window Service

We offer a two part service that focuses on renovating the existing window and performance upgrading to improve energy efficiency and window operation.

RIBA CPD Network

We are an approved member of the RIBA CPD Providers Network and offer two CPD Presentations, both worth Double Points. You can also find us on NBS Plus and RIBA Product Selector.

Contact Us on 0800 0277 454

Call or email us to find out more about the Ventrolla service, to discuss a project or to arrange a site visit.

“The installation of our second lot of Ventrolla has greatly added to the comfort of our home. It’s noticeably warmer and quieter, and it’s also good to know that the woodwork is as it should be.”