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Loft insulation savings

Table

Loft insulation​No insulation to 270mm*Adding 120mm to existing 150mm*
Fuel bill savings (£ / year)£140£15
Installation cost (typical semi-detached house)**£300£250
CO₂ savings (kg CO₂ / year)580kg 55kg

* UK government guidelines now stipulate a minimum insulation depth of 270mm.
** Everyone is potentially eligible for 50% – 100% grants, please look at grants section below.