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Historic Single Glazed Sash Window

A solution where the property is listed or other restrictions prevent the use of double-glazing. Putty glazed vertically sliding wooden sash windows with a single sheet of glass. Lomax + Wood offer a made-to-order service to match specific details where required.

Please note that these single glazed timber sash windows will not meet current building regulations. They are designed to meet English heritage and conservation officer requirements. The sections shown here are indicative and can be altered to suit depending on the size of the order.

Standard Specification

  • Factory single glazed
  • FSC® Chain of Custody certified timber as standard
  • Timber parting bead
  • 4mm toughened glas
  • Elegant 20mm wide ovolo glazing bar
  • Externally glazed with putty.
  • Engineered European Redwood with a hardwood cill
  • Polished Chrome key locking sash catch and Angel lock restrictor
  • Polished Chrome sash lifts
  • Self-engaging top sash locks and restrictors in polished chrome
  • Weather-stripped but not tested
  • Primed white only for site finishing by others with reduced warranty overall
  • Please speak to us to discuss alternative options
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Conservation Single Glazed Box - 2.jpg
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General Options

Our timber windows and doors are made-to-order so please contact us to discuss any option that you require.

  • Factory double glazed 4/14/6 tough/laminated lowe argon fill to meet Part L
  • Hardwood Sapele
  • Engineered Larch or Oak
  • RAL Colour of your choice
  • Stained or a dual finish

Acoustic Upgrade

With today’s increase in sound pollution we can offer a standard solution or made-to-order depending on your requirements. Please contact us for further details and to discuss your acoustic timber window requirements.

  • Additional acoustic seals depending on product.
  • 33.1 PPVB Silence laminated glass for standard acoustic upgrade.
  • Made-to-order option available with testing and certification.
  • Tested to BS EN ISO 10140-2:2010


Obscure Glass


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