UPVC Shaped Windows

UPVC Shaped Windows

UPVC Shaped Windows System

Although most windows are rectangular in shape, there is always a special exception to the rule. DK Windows have developed an impressive reputation for undertaking these more difficult installations and are able to offer a wide range of replacement curved window designs for homes. All our uPVC shaped windows are bespoke and to your specific requirements so you can be confident that unusual shapes can normally be accommodated. Arched, round or simply ‘odd-shaped’, DK can provide the solution and in a range of different colours and finishes too!

As DK have links with specialist fabricators, we are able to create a unique, custom and purpose-designed shapes and sizes to suit almost any situation. Our experienced surveyors will take detailed measurements, including all angles and curves, to ensure that your new frames are a perfect fit.

With highly-trained manufacturing staff, and rigorous quality control, you can be confident that your new uPVC shaped windows will be produced to the same high standards you expect from any DK installation.



  • Choose from either Bevelled or Ovolo design profiles according to the style of your home, resulting in a consistent finish across all areas of your home improvement (Chamfered or Ovolo frames available in the Elite 63 range)
  • Post Co-Extrusion (PCE) Flexible gaskets are securely pre fitted to the profile during manufacturing preventing any shrink back through aging, which provides extended performance and keeps your windows in the best condition for longer
  • Complete system with a full range of aesthetic accessories such as Georgian bars and decorative Horns increasing choice Both the Elite 70 and Elite 63 share common edge details with Spectus’ Patio Doors and Reversible 70 products resulting in compatibility across all product ranges, providing you with more choice and a consistent finish
  • Fully compatible with window systems for matched installations
  • Full range of colours and woodgrain finishes
  • Midrails or infill panels can include letterplates


Safety & Security

  • Chamfered or ovolo-shaped profiles with our 63mm system
  • Post co-extruded gaskets for extended life
  • Recycled composite material (RCM) thermal inserts, and/or steel or aluminium reinforcement
  • System can be coupled for structural stability according to requirements


Glazing & Energy Efficiency

  • Market leading multi chambered profile provides increased thermal efficiency
  • Beads available in 24mm – 40mm glazing options provides additional options against thermal and sound insulation
  • Window Energy Rating of band A can be achieved through the flush glazing, which not only maximize Window Energy Rating but also improves the aesthetic finish
  • Internally glazed
  • Flush glazing for thermal and sound insulation
  • Chamfered or ovolo-shaped profiles with our 63mm system
  • Bevelled or ovolo-shaped profiles with our 70mm system