ABOUT
About GasBillCalculator & GasRateCalculator UK
Accurate UK household bill calculations using verified official data from Ofgem, Ofwat, MHCLG, and other primary sources.
Our Mission
GasBillCalculator & GasRateCalculator UK provides accurate, up-to-date calculations for UK household bills using verified data from official sources. Every calculation uses primary source data from government departments and regulators.
Data Sources
- Energy costs: Ofgem price cap data (updated quarterly)
- Water rates: Individual water company published tariffs
- Council tax: MHCLG official statistics and band averages
- Broadband: Ofcom market data and pricing reports
- Tax calculations: HMRC published rates and thresholds
Accuracy Commitment
All figures are verified against official sources and updated within 48 hours of any rate changes. We cite our sources on every page and maintain a comprehensive audit trail of all data updates.
Last full audit: 19 May 2026
Next quarterly review: July 2026 (post-Q3 Ofgem announcement)