A Guide To Double Glazing

Added On: 30/11/1999

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What else should I be aware of when considering double glazing?

Replacing period feature windows like wooden sash windows with ugly double glazing can actually reduce the value of your property, so make sure that when choosing windows you buy something that fits the look of the building. Double glazing is available in a variety of stylish designs so modernizing your home needn't destroy its charming looks, just choose carefully!
Occasionally planning permission may be required when fitting double glazing, but this only normally applies to listed buildings or buildings or buildings in conservation areas, if in doubt check with your local authority.
Try to buy fully welded double glazing windows as opposed to mechanically fitted (midrails/transoms) windows. Mechanically fitted double glazing windows are generally cheaper but are more susceptible to general wear and tear and damage.
Check how long the warranty is on your double glazing, as the warranties offered can vary greatly between companies. A 10 year guarantee is considered to be a good length of a guarantee.
Internally beaded double glazing windows are a better buy from a security point of view, as the beads holding the glass in are internal. This makes it more difficult for burglars to break in through the windows. Externally beaded windows can have additional protection added to improve security, so check with your supplier.