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.