Double-Glazing. New Eco-friendly Double-Glazed Sashes fitted into your existing your sash frames. Surrey, Hampshire and West Sussex


Welcome to The Classical Sash Window Company.

We specialize in traditional wooden Double-Glazed Sash Windows and Casement windows.

Contact us . We will be happy to help you.
We serve Surrey, Hampshire and West Sussex.

Benefits of our Double-Glazed Sash systems:

  • Massive reduction in heat loss
  • Huge savings on heating bills
  • Smaller carbon footprint
  • Improved security
  • Outside noise levels reduced by up to 75%
  • Reduces condensation
  • Increase in property value
  • New Double-Glazed Sash windows fitted into existing frames, sliding sash and casement windows.

    The rising cost of home heating means many people are opting for double-glazing. Many think it is only possible to have double glazing with aluminium or uPVC frames, or that timber sash double-glazing is too expensive.

    With today’s technology, we can use new slim-line double-glazed units with great thermal attributes fitted into new timber sashes we construct. These are then fitted into your existing original box sash outer frames.

    This means in most cases you can avoid complete window replacement, meaning great savings for you. Also by not installing uPVC or Aluminium windows into for your period property, it will maintain its original charm ,increase your property value as well as savings you fortunes on your heating costs.

    In most cases we can replace your existing single-glazed sashes with new timber, heat saving double-glazed sashes. When your existing frames are sound, this is a far less costly venture than a full replacement. Existing Frames can be repaired by us if necessary. It is also possible, when aluminium or uPVC windows have been installed to remove these and replace them with new double-glazed sashes complete with frames.

    All our double-glazed units are CE approved. We use high-quality sustainable redwood to build the sashes. Using traditional methods, we construct the sashes to replicate your existing ones as closely as possible. This process involves making new matching sashes with a deeper rebate in the sashes to accommodate the double-glazed units. Depth of the double-glazed unit will depend on the depth of the of the existing sashes you have. Our sashes are made to replicate the originals as closely as possible using traditional mouldings and glazing bars, so they are aesthetically pleasing and in keeping with your property and the surrounding area. Original looking double-glazed sash windows will increase the value of your property.

    What’s involved in our Double-Glazed Sashes?

    We fit hi-tech, energy saving double-glazed units into the sashes in many styles and shapes. We use Clima-guard ‘Low-E’ glass, which is a naturally clear and pure glass.. This glass has amazing properties reflecting the heat back into the room and drawing heat from the outside sun, by using an invisible iron type coating on the inside pane of glass.

    We use various depths of double-glazed units in our new sashes. This often depends on the thickness of your existing single-glazed sashes. To improve thermal efficiency (U value) we can fill them with various inert gasses, such as argon and krypton.

    All our sashes are made from sustainable redwood. Hardwood can be used if specified. All our timber products are treated with Blackfriar’s Gold Star wood preserver. We use Zinserr paint systems.

    The new sashes are custom-planed to fit the existing openings. With sliding sashes, new heavy- duty pulleys are fitted to your frames and the sash weights are changed to counter balance the weight of the new sash.

    A draught-proof system is installed, including new staff and parting beads and fittings. Please see our draught-proofing page for more details about draught-proofing systems.

    We offer a complete decorating services dependent on your location. All our sashes are made off-site, and no sashes are left out overnight.

    For double-glazing in Winchester, Petersfield, Chichester, Haslemere Farnham, Dorking, Reigate, Leatherhead, Alton , Basingstoke and Portsmouth,Guildford, Surbiton, Woking, Esher and Kingston areas. Please call us to arrange a free quotation.

    To arrange for Double-Glazed Sashes in Surrey, Hampshire and West Sussex call The Classical Sash Window Company:

    Freephone: 0800 772 3035
    Leatherhead: 01372 240 288
    Alton: 01420 613 417
    Waterlooville: 02392 366 324
    Mobile: 07904 160 528

    Where we operate

    We serve customers in Surrey, Hampshire and West Sussex. Take a look at our reviews on Yell.Com and Facebook to see what our customers have to say about us.
    Sash window reviews in Winchester, Weybridge, Farnham,
    Winchester, Guildford, Reigate.