Tips for External Wall Insulation
Moisture Penetration
The Insulation of the External Wall makes the wall moisture resistant. However, an insulated property requires, also a good internal ventilation as the Insulation is a double side protection.
U Values
The installation of the External wall insulation reduces the U Value.
Planning Permission
This process will change the external appearance of the house. In most cases it may require planning consent before undertaking insulation works, so do check with your local authority from the outset. For homes in Conservation Areas and for listed buildings this is likely not to be accepted.
We would like you to pay attention that under Building Regulations, if 25 per cent or more of a wall is to be insulated externally, it is typically necessary to bring the entire wall up to current standards.
Useful Link
https://www.planningportal.co.uk/
Benefits
Reducing heat loss and energy bills
Reducing draughts
It does not reduce internal floor area
It allows walls to contribute to thermal mass
It improves weatherproofing and sound resistance
It increases the life of the wall
It reduces condensation on internal walls
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