Double Glazed Units


  • Double Glazed Units manufactured to EN1279-2.
  • Float and Toughened Units manufactured within 3 Days from point of order.
  • Aluminium Spacer Bar in Natural Silver or Bronze Anodised as standard.
  • Available in 6, 8, 10, 12, 14, 16 , 18 & 20mm.Pilkington K Glass & EnergiKare Units.
  • With 16mm or 20mm Air Space to meet Document L Requirements.
  • Swiss Warmedge Spacer Bar.
  • Energy saving technology making windows warmer and helps in noise reduction.
    We manufacture Units using Swiss Spacer, to comply with new Window Energy Ratings for our own windows.
  • Decorative Leaded & Georgian Designs.
  • Standard Rectangle or Diamond Leaded designs on Single or Double Glazed Units or your own design including the use of colour film.
  • Georgian Designs available in White or Woodgrain finishes.
  • Bevelled designs manufactured to give that extra special effect.
  • Pilkington EnergiKare Units.
  • These units are now manufactured to help achieve Window Energy Ratings, please phone Garry for to discuss your requirements or visit for further information.
  • Planitherm Glass Units
  • Planitherm Total + Glass Units are manufactured to further improve thermal performance and achieve “A” or “B” Rated windows or where compliance is via U value method.
  • St Johns Window Centre manufactures Planitherm One and Planitherm 4S units for specific projects.
  • Glass Cut To Size.
  • Clear Float and Obscure cut to size, whilst you wait. Laminated and Wired glass also stocked.

For more information on glass and double glazed units see our sister company website