There is absolutely no doubt that double and triple glazed windows are superior, and they save a great deal of energy over single glazed windows. As good a double glazing in Esher may be, there are a few issues that need to be taken into consideration before the commitment is made to install them.
Double glazed windows are far more airtight than single glazed units; as a result, condensation may build up in the home due to a reduction in the ventilation. In homes with older single glazed windows, the windows actually leaked; this in itself was a form of ventilation even though the heat loss was significant. If your home has limited ventilation, you should consider double glazed replacement windows which have trickle vents set into the frame allowing controlled ventilation by the homeowner.
At times, condensation around the windows is an indication of damp. Damp occurs when there is poor ventilation, inadequate heating, poor insulation or any combination of these three. If you see condensation forming between the twin panes of your windows, the seal has give way, and the glass unit will need replacing.
If your home is located in a conservation area or the building is listed, there will be restrictions on what you can do with the windows. Historic homes will usually opt for heavy curtains, window shutters or secondary glazing with sealed blinds. Each building which is of historical significance is listed separately, and it is suggested that you check with the council to see the options that are available.
These are areas where there is significant historic or architectural interest. This means that any work you do to the property must preserve the character of the original or even enhance it. Living in a home of this nature does not eliminate the potential of installing double glazing in Esher; it just means that you will have to source windows that are complimentary to the building or the area. Double glazed windows can be made to appear as if they were the originals, but before you make the move, confirm this with your local council.
Buildings which are listed are under very tight control of what can be changed on the outside and at times, even the inside. The sash windows that were used in period buildings are to be protected for both their appearance and their unique manufacturing method. In these cases, secondary glazing is often the solution and council approval is normally granted.
If you are living in a house which is in a conservation area or the property is graded and listed you may have to resort to secondary glazing or heavy curtains.
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