Onyx Bespoke Doors and Windows London

About Us

With over 20 years of collective expertise within the window and door arena, Onyx DW is happy to state that we have built a well-earned reputation for excelling within our customer satisfaction and service and also the reputation we have earned within the architectural, building, developers and ambitious homeowners for the exceptional quality of our products.

Why come to us?

At Onyx DW we deliver nothing but the best quality and craftsmanship – all products are always tailor-made to your specific requirements, again using only the highest quality materials. We will not be happy until you are 100% satisfied with your product and service.

We aim to make every step of the process of the ordering and fitting of new windows and doors as simple as possible – from supporting and guiding within the design, colour guidance, glass requirements to finally the quick and simple creation of your bespoke product and fitting. We want you to enjoy your new accessory for many years to come.

When ordering with us, we deliver a comprehensive and clear quotation of your requirements and present you of any options which could gain a better result – all in our aim to provide the best customer service.

When designing your product, we also offer an array of colour choices for our wooden products, several glass products, the option to have bespoke internal and external fittings created…the list goes on!

Contact Onyx DW for more information.


"Fantastic service from Onyx company. Very competitive price and excellent quality windows and workmanship. Your fitters were extremely polite and carried out the work to a very high standard and as always cleaned everything up as if they were never there. We have now completed the transformation of our house with all windows and doors. We would certainly recommend using you to all of our family and friends. "

John Macintosh, Company Name

Onyx Bespoke Doors and Windows London