The homeowner research library
Clear-eyed guides to solar panels, heat pumps and home energy. Real numbers, policy explained, and the detail that matters before you commit.
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Showing 49–55 of 55
The UK government now offers a £2,500 air to air heat pump grant under the Boiler Upgrade Scheme — but only for homes replacing direct electric heating. Full eligibility rules, net costs after grant, planning requirements, and how MCS-certified installers claim the subsidy on your behalf.
Plug-in solar panels are now legal on UK ring mains following the April 2026 BS 7671 Amendment 4. No electrician required for sub-800W systems. Regional savings data, £400 kit vs. £7,000 rooftop cost comparison, safety certification checklist, and exactly who benefits.
April 2026: The Ofgem price cap drops 7% to £1,641, but analysts are forecasting a 20% spike by July. Full breakdown of heat pump grants, Tesla's VPP launch, record UK solar output, and what to do before the window closes.
Tesla has secured its UK electricity supply licence. Discover how Tesla Electric UK and the Powerwall 3 Virtual Power Plant will slash your energy bills in 2026 — and why the £750 rebate window is closing fast.
A no-spin account of fitting a heat pump in a 1960s terrace. Hot water cylinder logistics, microbore pipework replacement, and a real-world winter COP of 2.44 documented.
A Bristol home's real January electricity bill with a Tesla Powerwall 3. Import/export data, Octopus Flux earnings, and what winter solar actually delivers.
A 10-year cost comparison: kerosene oil vs air source heat pump for an off-grid Cornish farmhouse. Detailed financial model for rural homes off the gas grid.
Independent-minded guidance
Written by Mark Anthony Haines, with over a decade in UK renewable energy. We work from published policy, industry data and real-world performance, and explain the assumptions behind the numbers.
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