Estimated annual bill
£0
£0 per month
Home type
Occupants
People in household
3
18
Thermostat
Heating
20°
Set to
Setpoint
20°C
15°C25°C
Insulation / EPC rating
Selected: D — 150 kWh/m²
Estimated monthly bill
£0
Estimated annual bill £0
Potential savings
🌡️
Thermostat vs 20°C
Extra £0/yr
At the 20°C baseline
🏠
Better insulation
Save £0/yr
D→C saves ~27% heating
⏰
Smart scheduling
Save £0/yr
Heat only when home — typically 10–15% off heating.
Bill breakdown
Energy Bill Predictor
Estimate your annual energy costs based on your home, habits and heating system
Insulation rating
Selected: D — 150 kWh/m²
Estimated monthly bill
£0
Estimated annual bill
£0
CO₂ 0 kg/yr
Thermostat
Heating
20°
Set to
Heating system
🔥
Gas Boiler
Traditional central heating
♻️
Heat Pump
Electric, COP ~3
🏢
HIU / District
Block or district heating
Hot water tank
Off — combi / on-demand
With no tank, hot water is heated on demand. Efficient for 1–3 people, less so for larger households.
All systems — with and without tank:
Tariffs
Apr 2025
Jan 2025
Oct 2024
Custom
Potential savings
🌡️
Thermostat vs 20°C
£0/yr
At the 20°C baseline
🏠
Better insulation
Save £0/yr
D→C saves ~27% heating
⏰
Smart scheduling
Save £0/yr
Heat only when home — typically 10–15% off heating.
