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What are the Target U-Values for England, Wales and Scotland?
Target U-values for floors, walls and roofs can vary depending upon the nature of the project. Key factors that affect compliance are whether the building is domestic or non domestic and whether the project relates to a new or existing building. In addition, different performance targets now apply in England, Scotland and Wales. The requirements of the building regulations are laid out in the following documents: England: Approved Document L. Wales: Approved Document L (Wales). Scotland: Scottish Technical Handbook - Section 6. Further guidance on elemental U-values can also be found in the Celotex Handy Guide.
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