multiple glazing Types of sealed unit
As a minimum try to use sealed units with a spacing of 16 or 18mm. rather than 6mm. This is the optimum gap for heat insulation. However the frames need to have sufficient rebate for this. See window design. Use a filler of argon gas rather than air. [...]
There are many purposes a window can serve and several of these have important ecological considerations:
Letting light in Collecting solar heat Providing a view Acting as a door The visual character of a house
Windows may have associated drawbacks to consider:
They may let in too much light at certain times Too [...]
February 2013
See the government web site on Building RegulationsThese are the legal regulations which govern how a house is constructed. (not to be confused with Planning Permission which is about whether you are allowed to build the house at all or what it might look like) see Building Regulations)
Building Regulations deal with whether the building is built properly and is safe and energy efficient etc. more+/-»
They are not to be confused with Planning Consentthe legal basis for being allowed to do some form of development such as building a house. (not to [...]