Around 25% of heat in our homes is lost through the roofs of properties without insulation.

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If access is easy and your loft joists are regular, you can use rolls of mineral wool insulation. The first layer is laid between the joists – the horizontal beams that make up the floor of the loft – then another layer is laid at right angles to cover the joists and make the insulation up to the required depth.  The current best practise recommendation is for mineral wool loft insulation to be installed evenly throughout the loft leaving no gaps to a depth of 250mm or 10 inches.  This can be done by someone competent in DIY or a professional installer. Be sure to ensure that the loft is left well ventilated to avoid condensation.

Always look out for any grants on offer. The Energy Company Obligation provides funding from the larger energy suppliers to support energy improvements for people on certain benefits, for hard-to-treat properties and for households in the poorest parts of the country.

The National Insulation Association (NIA) is a member organisation for the insulation industry in the UK. You can use their website to find an NIA installer near you.

Further information:

CSE	DIY Loft Insulation Advice Leaflet;
	Loft Insulation Advice Leaflet;
EST	Roof and Loft Insulation.