Energy Efficiency Guides
Explore guides on 76 technologies. Expert, data-driven advice to help you understand and improve your home's energy efficiency. All information is based on real UK statistics and government data.
36–62% of EPCs contain significant errors. The government is replacing the system entirely with four new metrics. Here's what actually matters.
Real numbers on solar income, battery arbitrage, and SEG export tariffs. Total benefit: £900–£2,000/year with honest payback periods.
For most UK homes, £1,000 of insulation saves more energy than £10,000 of heat pump. Real costs and payback by house type.
Understand EPC ratings A-G, how they're calculated, annual costs, and why they matter for selling, renting, and mortgages.
Ranked list of energy efficiency improvements with costs, savings, payback periods, and EPC rating boosts.
Complete guide to BUS, ECO4, Great British Insulation Scheme, and local grants. Check eligibility and apply.
UK solar generation data, typical costs, export rates, regional payback periods, and battery storage analysis.
April 2028 deadline for Band C rental properties. Fines up to £30k, exemptions, cost-effective upgrades, and grants explained.
ASHP vs GSHP comparison, realistic costs (£8-15k), £7,500 BUS grant, SCOP explained, and honest assessment of when heat pumps make sense.
Types ranked by cost-effectiveness, costs, payback periods, free GBIS and ECO4 schemes, and common mistakes to avoid.
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See your EPC rating, potential savings, and personalised improvement recommendations.
Calculate your return on investment for specific upgrades, or find verified professionals to get started. Landlords: check your MEES 2028 compliance.