Ultra Slim Double Glazing for Listed Buildings & Conservation Areas

Telephone: 01535 603399
Email: info@heritageglassuk.co.uk


Thin double glazing heritage units are suitable for conservation areas and period properties. Our highly skilled team of craftsmen manufacture thin double glazing units which are krypton filled for multiple businesses nationwide. 

Centre Pane U Values 

  • 4mm Cavity Krypton Filled 1.9
  • 6mm Cavity Krypton Filled 1.5
  • 8mm Cavity Krypton Filled 1.2
  • Improving EPC Rating.

Thin double glazing is the best solution for historic building restoration, Grade I listed buildings and period properties. Planning departments in some of the UK’s most historically sensitive areas insist on our Heritage units. 


Our thin double glazing is designed to be fitted into timber and metal frames without spoiling the fine detail of the glazing bars. It's available in a wide range of thicknesses from 10mm - and available in a wide range of authentic glass types to suit the period.  Flexible Super Spacer Bars from Edgetech are supplied in black as standard, or optional white. Click for more details on this product


Each unit continues to deliver the same performance as the day it was installed. Our glass and service comes with our guarantee.


Values from 1.9 to 1.3.

Thin Double GlazingThin Double Glazing

Cut Heating Costs

Insulation is measured in U-Values, the lower the figure the better the insulation. Heat lost through single glazed windows is in excess of 25%. Low E Double Glazed Units should reduce heating bills by around 20%.

Your Requirements

Whether you want your windows to reduce exterior noise or be self-cleaning the glazing can be customised to meet your individual requirements.

Read Our Testimonials

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