Call Us Now on 0333 93 98 777

Why Choose Us?


The only website to give you a true instant online guide price and find you the very best double glazing, uPVC or Composite Door deals in Southampton, Winchester, and the surrounding Hampshire and London area.

Fast and reliable

Don’t hang around for your products; we can supply your new uPVC and double glazing windows and doors as quickly as 5 working days.



We only use the very best manufacturers of uPVC, double glazing and aluminum products.

About Sage Windows and Doors

With over 30 years of experience in the industry, we are specialists in the field of uPVC double glazed windows, vertical sliding sash windows, residential doors, uPVC and composite doors. With a no hassle, no pressure approach, we bring a refreshing and trustworthy difference to the windows industry. We cover the whole of London, the South East and the South Coast from our bases throughout London and depots in Southampton. Due to our extensive knowledge and experience, you can expect nothing but quality products and services. We only work with the industry best-performing products including Liniar and Pilkington glass, here at Sage Windows and Doors you can feel reassured that you are in good hands. Please call us now for a friendly and polite quotation on 03339398777


No Pressure Approach

We bring a refreshing, trustworthy difference to the window industry in Southampton and we are proud of our no pressure approach allowing our customers to relax and enjoy the experience.

uPVC Double Glazing in London and Hampshire

Choice Of Products

Create your unique quote from a range of double glazing products including windows, Composite doors and specialised doors such as Aluminium bifold doors.

Experienced Installation Team

We have a highly trained and experienced installation team in Southampton and surrounding Hampshire area ready to survey and fit your new products.

uPVC Windows and Doors in Hampshire and London

No Time Wasted

Dont hang around for your products, we deliver quickly and on time.


High Quality Products

We have a wide range of quality double glazing, uPVC and aluminium products on offer. View our range to find out more.


Spectus Window Systems

Areas We Cover

We cover all areas of Hampshire (Southampton, Chandlers Ford, Winchester), South West and London.

uPVC Windows uPVC Windows
uPVC Doors uPVC Doors
Composite Doors Composite Doors
Conservatories Conservatories
Aluminium Bi-fold Doors Bi-Fold Doors