High Performance, Bespoke Sash Windows

Quick Product Information

Sash Installation

Kensington Sash Group Ltd offer a wide range of double glazing products to suit your project specifications. We accurately replicate sash and casement windows that are well over 100 years old, which requires careful design, manufacture and meticulous installation. We also offer specialist advice/assistance on planning considerations required for listed properties and those within conservation areas.

London Property Facade

Our vision is to become London's best independent specialist in our selected market, working with the form of each individual project to harness the best achievable outcome. At KSG our aftercare provides our customers with long term reassurance- customer satisfaction is at the forefront of our company. Please visit our about page to find out more.

Bespoke Timber Sliding Sash Window

To request a quotation, book a free home design survey or to discuss any aspect of your project with a member of our experienced and professional team, please head to our contact us page for second-to-none advice.



From initial enquiry through to completion, we feel that communication is key, we reflect this by endeavouring to keep in contact throughout the entire process.


Our clients receive the level of care that us ourselves would expect when using an independent service.


Embracing challenges, pushing boundaries and looking at each project differently to ensure seamless deliverance.


As an owner led business, with a high level of experience in the field, our passion is unparalleled.