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 13–24 of 61
Searching for UK air conditioning grants? The £2,500 Boiler Upgrade Scheme covers reversible air-to-air heat pumps that heat and cool. Check your eligibility.
Ground source heat pump cost UK: the same £7,500 Boiler Upgrade Scheme grant as air source. Real metered data shows exactly when the extra capital pays off.
Only 34% of mcs accredited installers can legally certify a battery. Learn how to check the exact scope before you sign, so grants and SEG payments stay valid.
Full 2026 price breakdown for air source heat pumps by property type, from £1,000 net cost on a small terrace to £8,500 on a rural off-gas farmhouse. How the £7,500-£9,000 BUS grant is claimed, ancillary costs explained, and running costs versus gas, oil and LPG.
Full guide to ECO4 and LA Flex eligibility in 2026: qualifying DWP benefits, the four LA Flex routes, EPC band requirements, the mandatory two-band improvement rule, and why fabric-first insulation must come before a free heat pump or solar array.
Full 2026 solar and battery pricing from £5,000 for a 3.5 kWp solar-only array to £17,500 for a 6.5 kWp system with 13.5 kWh storage. The 31 March 2027 0% VAT deadline, SEG rates from 3p to 30p per kWh, and why self-consumption jumps from 30% to 85% with a battery.
September 2026: Ofgem confirms Q4 cap up 4% to £1,723/yr as gas hits 7.97p. BUS £9,000 grant for oil homes. Heat pumps now beat gas on the spark gap.
Do I need to tell my DNO about plug in solar? Yes. UK law mandates a G98 notification within 28 days and caps homes at one 800W system. Learn the rules.
Researching plug in solar panels for flats UK? Discover why vertical balcony mounting slashes real-world output by 50% and pushes payback to 10 years.
Can I add a plug in solar panel to existing solar? Adding an 800W kit to a 3kW rooftop array breaches the G98 3.68kW limit and triggers a G99 DNO bill. Read why.
Does plug in solar smart export guarantee you payments? Discover why DIY balcony kits earn £0 for exported power and how MCS certified solar yields higher ROI.
Want plug-in solar panels with battery storage? UK law bans them on ring mains - plugging one in voids your home insurance and risks fire. Here is the legal fix.
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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