Energy Efficiency and Historic Buildings: Insulating pitched roofs at rafter level
The techniques explained in this guidance are compatible with most pitched roof coverings, notably tiles, slates, stone slates and shingles. However, roofs of thatch or flat metal have separate guidance documents in this series. Upgrading a pitched roof at rafter level can be complicated and is not without risks. Generally solutions will need to be individually designed and professional advice will often be needed.
It is important that the significance of a historic building is not compromised by alterations to install insulation, such as changing roof levels and materials, removing historic plaster ceilings, altering the positioning of gutters and rainwater pipes. These type of alterations are likely to require consent if the building is listed. Any change to the roof material or roof configuration of a building in a conservation area may require planning consent. In each case all proposed changes should be discussed in advance with the local planning authority.
This guidance note forms one of a series of thirteen guidance notes covering the thermal upgrading of building elements such as roofs walls and floors.
- Pitched roof construction and materials
- Insulating at rafter level
- Insulation materials for roofs
- Amounts of insulation
- Installation checklist
- Where to get advice
- Series: Guidance
- Publication Status: Completed
- Pages: 29
- Product Code: HEAG070
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Also of interest...
Think carefully before converting the loft of an old house, as it will affect the house interior, the roof structure and the outside of the roof.
Follow our practical advice on how to save energy in older buildings.
How to improve the energy efficiency of older buildings in ways that are sympathetic to their historic character.