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UK Stamp Duty Calculator · SDLT, LBTT & LTT · Updated May 2026
Last verified 19 May 2026
Q2 2026 Ofgem Rates

Gas Bill Calculator

Calculate your gas bill using official Q2 2026 Ofgem rates.

Three calculation methods: property type, annual usage, or meter readings.

Gas Bill Calculator

Calculate your gas bill using Q2 2026 Ofgem rates: 5.74p/kWh

Calculate Your Bill

Enter your details to calculate your gas bill

Q2 2026 Gas Rates

5.74p
per kWh
29.09p
per day
£766
typical annual bill
Effective 1 April - 30 June 2026 | Based on 11,500 kWh typical usage

Gas Bills by Property Type

1-bed flat
7,500 kWh/year
£45/month
£537/year
2-bed flat
9,000 kWh/year
£52/month
£623/year
2-bed house
10,000 kWh/year
£57/month
£680/year
3-bed house
11,500 kWh/year
£64/month
£766/year
4-bed house
14,000 kWh/year
£76/month
£910/year
5+ bed house
17,000 kWh/year
£90/month
£1082/year

Converting Meter Readings

UK gas meters measure volume (m³) but bills charge for energy (kWh).

Standard Conversion Formula:
kWh = m³ × 1.02264 × 39.5 ÷ 3.6
  • 1.02264 = Volume correction factor
  • 39.5 = Standard calorific value (MJ/m³)
  • 3.6 = Conversion from MJ to kWh

Payment Method Impact

Direct Debit
Standard price cap rate
0%
Prepayment
Slightly cheaper since 2024 reforms
-2.5%
Standard Credit
Higher due to collection costs
+8%

Tips for Accurate Calculations

📊 Property Type Method
Best for: Quick estimates and comparisons. Based on typical usage patterns for each property size.
⚡ Annual kWh Method
Best for: Accurate calculations if you know your annual usage from previous bills.
📏 Meter Reading Method
Best for: Most accurate current usage. Use at least 28 days between readings for reliability.