So, to insulate a pitched roof for a loft conversion there are two main methods that we would recommend. If you want to see what thickness of insulation achieves the above u-values, visit our online u-value calculator, and select pitched roofs. To achieve the required level of insulation without impacting greatly on the living space available, by either reducing the headroom or floor space, it is important to choose insulation that gives the best possible U-value for the minimum thickness.
K for refurbishments these apply to both flat and pitched roofs. 
For Scotland the U-values required are 0.15 W/m² However, if a complete re-roof is required on a Welsh property, it must be insulated to a minimum U-value of 0.15 W/m² These U-values also apply for conversions of existing roofs in Wales.
K, whilst for flat ceilings the minimum is 0.16 W/m². In England, the required minimum U-value for pitched roofs insulated at rafter level is 0.18 W/m² When refurbishing an attic or loft space there is a requirement to comply with the appropriate Building Regulations / Standards for the location of the building. One of the key factors to consider when planning and carrying out a loft conversion is how it is to be insulated and what type of insulation to use as this can have a major impact on the living space available when the conversion is completed. 
A better insulated loft area may result in a better EPC rating of the property, potentially adding more to the value of a house.
United Arab Emirates (لإمارات العربية المتحدة)Ī common method of improving a home is to add space and value by carrying out a loft conversion.Īs well as adding an extra room to the house, a well-insulated conversion may also provide savings by reducing energy bills. Rest of South & Central America (Resto de América del Sur y Central). Bosnia & Herzegovina (Bosna i Hercegovina).
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