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.

12 min readRead Guide →

Real numbers on solar income, battery arbitrage, and SEG export tariffs. Total benefit: £900–£2,000/year with honest payback periods.

14 min readRead Guide →

For most UK homes, £1,000 of insulation saves more energy than £10,000 of heat pump. Real costs and payback by house type.

16 min readRead Guide →

Understand EPC ratings A-G, how they're calculated, annual costs, and why they matter for selling, renting, and mortgages.

8 min readRead Guide →

Ranked list of energy efficiency improvements with costs, savings, payback periods, and EPC rating boosts.

12 min readRead Guide →

Complete guide to BUS, ECO4, Great British Insulation Scheme, and local grants. Check eligibility and apply.

10 min readRead Guide →

UK solar generation data, typical costs, export rates, regional payback periods, and battery storage analysis.

15 min readRead Guide →

April 2028 deadline for Band C rental properties. Fines up to £30k, exemptions, cost-effective upgrades, and grants explained.

14 min readRead Guide →

ASHP vs GSHP comparison, realistic costs (£8-15k), £7,500 BUS grant, SCOP explained, and honest assessment of when heat pumps make sense.

16 min readRead Guide →

Types ranked by cost-effectiveness, costs, payback periods, free GBIS and ECO4 schemes, and common mistakes to avoid.

13 min readRead Guide →

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