Sash and Case

The  Southside Windows Heritage Vertical Sliding Window system is designed to incorporate all the desirable traditional features of a timber sash window, yet with all the additional benefits and conveniences of modern PVC-U.

The Southside Windows Heritage Vertical Sliding Windows are the most distinctive and authentic-looking uPVC sash windows available on the UK market. 

Superbly engineered and of exceptional quality our Southside Windows Heritage windows will add real style to your home, without sacrificing performance. 

You will still experience the benefits of noise reduction, low maintenance, safety and security and energy efficiency (our Heritage system can achieve an A rating – the highest possible Window Energy Rating) 

Southside Windows Heritage windows are designed with all the traditional detailing found in period sash windows, including a deep bottom rail, slim sashes and an optional Georgian bar.

Choose Your Style

Classic-style hardware and fittings and optional decorative horns replicate the traditional timber aesthetics to complete the stunning finish.

Choose your Colours

Our Southside Windows Heritage window system is available as standard in Classic White, Soft Cream, Rich Rosewood or Warm Golden Oak. There is also a choice of 25 non-standard laminate options available, including White Ash.

Further colour options from our unique REHAU Acryl II colour systems offer you a choice of 150 different colours.

The slim sash is designed specifically to replicate the more elegant sightlines of traditional wooden windows.