Costed guides, free calculators and grant checks for UK homeowners weighing up solar, heat pumps, insulation and glazing.
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Guides are published under the name of the editor, Ian Duncan, with sources cited. Sponsored placements are labelled and never change a recommendation.
Installation costs, grant figures and payback periods cite Ofgem, gov.uk and Energy Saving Trust sources, and each page shows when it was last updated.
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Latest News
The Autumn Budget 2026 has landed. We break down what it means for your energy bills, EPC upgrades, heat pump grants and the cost of a typical 3-bed semi.
The Boiler Upgrade Scheme's higher heat pump grant drove a 24 per cent rise in monthly installations. What it means for UK homeowners, costs and EPC bands.
Wholesale gas has touched €100 a megawatt hour. Here is what it does to the January price cap, a typical 3-bed semi bill, and which grants still cut the damage.
John Healey will end gas standing charges for 23m homes and add a £100 energy payment. What it means for your bill, EPC rating and heat pump payback.
Carbon Brief analysis shows expensive gas caused nearly 90% of UK electricity bill increases. What it means for your home, EPC rating and energy upgrades.
Ofgem and National Gas say new measures will prevent tight gas supplies this winter. What it means for your bill, boiler and EPC rating this heating season.
Q&A Library
Latest Articles
The radiator oversize factor is the multiplier applied to a room's heat loss to find the radiator output needed. MCS 021 sets it at 3.1x for a heat pump at…
There is no 2028 EPC deadline in England or Wales. DESNZ set one date, 1 October 2030. The decisive date is 1 October 2029: a property graded C or above…
EDF GoElectric publishes 6.99p/kWh over a seven-hour window, against British Gas EV Power at 9p over five hours. Octopus and E.ON price by distribution region, so no one tariff is…
Rarely. Octopus installs a 10 kWh battery with no solar panels from £5,336. On Intelligent Octopus Go's 8p off-peak rate, which requires an electric car, displacing 6 kWh each evening…
Ranked by cost per percent of gas saved, the free change wins. Turning a condensing combi's flow temperature to 60C cuts about 9% of total gas use, worth roughly £76…
Take every grant first, then borrow over the shortest term you can afford. Borrowing £15,000 on a further advance at 4.5% over 25 years costs about £10,010 in interest, while…
