Tag: Legal & Planning
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What are U-values and How do Different Materials Compare?
In the UK, a U-value is the critical metric for a building’s insulation. It measures how much heat can pass through a material. This is known as ‘thermal transmittance’. At its simplest level, a U-value is a number, and lower is more insulated. A double-glazed window might be 1.4, whereas an external wall might be…
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What is FENSA and how does it work?
FENSA is a scheme that regulates window and door installation. Specifically, it’s what’s known as a ‘competent persons scheme’. These are authorised by the government. In Fensa’s case, it works like this: The key point of a competent building scheme is that it avoids a separate building inspection. It’s faster, while also protecting the consumer…