https://whatgreenhome.com/ Warmer, cheaper, lower-carbon homes - UK guides and grants https://whatgreenhome.com/sensor-tap-keeps-running-after-hands-removed/https://whatgreenhome.com/sensor-tap-keeps-running-after-hands-removed/Fri, 06 Nov 2026 08:00:00 +0000One ten-second isolation test splits a running-on tap into two causes: a jammed diaphragm or a sensor sending a false command. https://whatgreenhome.com/how-much-is-triple-glazing/https://whatgreenhome.com/how-much-is-triple-glazing/Fri, 06 Nov 2026 08:00:00 +0000Price the third pane per m² against double, then find the point where a well-insulated wall makes triple glazing the cheap part. https://whatgreenhome.com/casein-paint-coverage-per-litre-on-porous-lime-plaster/https://whatgreenhome.com/casein-paint-coverage-per-litre-on-porous-lime-plaster/Fri, 06 Nov 2026 08:00:00 +0000Bare lime plaster drinks 3-5 m² per litre of casein paint on the first coat. The same wall gives 8-12 m² per litre on coat two. https://whatgreenhome.com/are-smart-radiator-valves-worth-it/https://whatgreenhome.com/are-smart-radiator-valves-worth-it/Fri, 06 Nov 2026 08:00:00 +0000Smart TRVs pay back only in homes that heat unevenly with a boiler running while rooms sit empty - otherwise a smart thermostat does more for less. https://whatgreenhome.com/heat-pump-permitted-development-rights-flatted-building-with-shared-wall/https://whatgreenhome.com/heat-pump-permitted-development-rights-flatted-building-with-shared-wall/Thu, 05 Nov 2026 08:00:00 +0000Most flats cannot use permitted development for a heat pump, and a shared wall brings party wall and noise rules on top. https://whatgreenhome.com/what-is-net-metering-in-solar/https://whatgreenhome.com/what-is-net-metering-in-solar/Thu, 29 Oct 2026 08:00:00 +0000Find out how net metering credits from your solar export reduce your UK electricity bill compared to net billing or gross metering. https://whatgreenhome.com/rain-garden-not-draining-after-heavy-rain/https://whatgreenhome.com/rain-garden-not-draining-after-heavy-rain/Thu, 29 Oct 2026 08:00:00 +0000Learn the top three reasons your rain garden fails to drain after heavy rain and how to diagnose and fix each cause effectively. https://whatgreenhome.com/how-to-program-a-heat-pump-thermostat/https://whatgreenhome.com/how-to-program-a-heat-pump-thermostat/Thu, 29 Oct 2026 08:00:00 +0000Set and wire your heat pump thermostat with clear UK steps, practical tests, and standard settings to save energy and improve comfort. https://whatgreenhome.com/how-does-a-waterless-urinal-operate/https://whatgreenhome.com/how-does-a-waterless-urinal-operate/Thu, 29 Oct 2026 08:00:00 +0000Find out how waterless urinals use trap seals and cartridges to prevent odors without water, cutting water use and drainage costs for UK homes. https://whatgreenhome.com/are-smart-thermostats-easy-to-install/https://whatgreenhome.com/are-smart-thermostats-easy-to-install/Thu, 29 Oct 2026 08:00:00 +0000Use 5 wiring checks to decide if your UK home suits smart thermostat installation and what tools or help you might need. https://whatgreenhome.com/uk-solar-pv-g99-application-steps-for-home-systems/https://whatgreenhome.com/uk-solar-pv-g99-application-steps-for-home-systems/Wed, 28 Oct 2026 08:00:00 +0000Understand the G99 application process for UK home solar systems above 3.68kW, including who applies, DNO timelines, and export rules. https://whatgreenhome.com/rim-joist-insulation-cost-for-basement/https://whatgreenhome.com/rim-joist-insulation-cost-for-basement/Wed, 28 Oct 2026 08:00:00 +0000Understand the typical UK costs and key factors affecting basement rim joist insulation for better energy efficiency and lower bills. https://whatgreenhome.com/mould-remediation-with-hepa-filter-in-ventilation-system/https://whatgreenhome.com/mould-remediation-with-hepa-filter-in-ventilation-system/Wed, 28 Oct 2026 08:00:00 +0000Find the correct order for isolating, filtering, cleaning MVHR ducts with HEPA filters and verifying airflow to control mould effectively. https://whatgreenhome.com/how-to-become-heat-pump-installer/https://whatgreenhome.com/how-to-become-heat-pump-installer/Wed, 28 Oct 2026 08:00:00 +0000Follow clear steps from trade background to MCS registration to become a qualified UK heat pump installer. https://whatgreenhome.com/how-much-does-draught-proofing-cost/https://whatgreenhome.com/how-much-does-draught-proofing-cost/Wed, 28 Oct 2026 08:00:00 +0000Typical UK draught proofing costs range £5–£150, with UPVC door sealing around £15–£30 each. https://whatgreenhome.com/how-are-epc-ratings-worked-out/https://whatgreenhome.com/how-are-epc-ratings-worked-out/Wed, 28 Oct 2026 08:00:00 +0000Understand how EPC ratings derive from SAP scores and home details to guide UK homeowners towards energy savings and better property grades. https://whatgreenhome.com/cost-of-10kw-home-battery-system-installed/https://whatgreenhome.com/cost-of-10kw-home-battery-system-installed/Wed, 28 Oct 2026 08:00:00 +0000Find out the full UK installed cost for a 10kWh home battery system, including all fees, and compare its value per kWh against bigger battery sizes. https://whatgreenhome.com/argon-filled-glazing-u-values-compared-to-air-filled/https://whatgreenhome.com/argon-filled-glazing-u-values-compared-to-air-filled/Wed, 28 Oct 2026 08:00:00 +0000Understand how argon-filled glazing compares to air-filled in U-values at 12mm and 16mm gaps and when argon provides real energy savings. https://whatgreenhome.com/are-triple-glazed-windows-worth-it/https://whatgreenhome.com/are-triple-glazed-windows-worth-it/Wed, 28 Oct 2026 08:00:00 +0000Learn typical UK triple glazing costs, energy benefits over double glazing, and when triple glazed windows justify their price. https://whatgreenhome.com/what-are-mvhr-filters/https://whatgreenhome.com/what-are-mvhr-filters/Tue, 27 Oct 2026 08:00:00 +0000MVHR filters clean incoming air and protect the exchanger. Learn grades, change intervals and the signs they are overdue. https://whatgreenhome.com/how-to-install-floor-joist-insulation/https://whatgreenhome.com/how-to-install-floor-joist-insulation/Tue, 27 Oct 2026 08:00:00 +0000Fit insulation between suspended timber joists to cut draughts, keep floors warm and protect joists from damp. https://whatgreenhome.com/heat-meter-accuracy-for-air-to-air-heat-pump/https://whatgreenhome.com/heat-meter-accuracy-for-air-to-air-heat-pump/Tue, 27 Oct 2026 08:00:00 +0000Air-side heat metering has no MID-approved meter like water circuits. Learn what drives error and how to check your own numbers. https://whatgreenhome.com/can-you-run-a-heat-pump-on-solar/https://whatgreenhome.com/can-you-run-a-heat-pump-on-solar/Tue, 27 Oct 2026 08:00:00 +0000You can run a heat pump on solar in the UK, but you will still need the grid in winter. Here is how to size it and stage the work. https://whatgreenhome.com/best-energy-monitor-for-home-assistant/https://whatgreenhome.com/best-energy-monitor-for-home-assistant/Tue, 27 Oct 2026 08:00:00 +0000Choose the right energy monitor for home assistant to track your home's power use and save energy with practical retrofit choices. https://whatgreenhome.com/air-to-air-heat-pump-noise-levels-in-urban-homes/https://whatgreenhome.com/air-to-air-heat-pump-noise-levels-in-urban-homes/Tue, 27 Oct 2026 08:00:00 +0000Use the 42 dB window test to check if an air-to-air heat pump fits a terrace plot, from 1m rating to fence level. https://whatgreenhome.com/what-is-a-heat-recovery-ventilator/https://whatgreenhome.com/what-is-a-heat-recovery-ventilator/Sun, 25 Oct 2026 08:00:00 +0000A heat recovery ventilator exchanges indoor stale air for fresh outside air while recovering heat to save energy. https://whatgreenhome.com/what-is-a-generation-meter-solar-panels/https://whatgreenhome.com/what-is-a-generation-meter-solar-panels/Sun, 25 Oct 2026 08:00:00 +0000A generation meter counts every kWh your solar makes, so you can prove output, spot faults and claim payments. https://whatgreenhome.com/how-much-does-internal-insulation-cost/https://whatgreenhome.com/how-much-does-internal-insulation-cost/Sun, 25 Oct 2026 08:00:00 +0000What you will pay per m² for internal and external wall insulation in the UK, with scaffolding broken out. https://whatgreenhome.com/gas-combi-boiler-lifespan-and-annual-service-cost-uk/https://whatgreenhome.com/gas-combi-boiler-lifespan-and-annual-service-cost-uk/Sun, 25 Oct 2026 08:00:00 +0000Find the UK gas combi boiler lifespan, typical annual service costs, and what affects both to time replacements wisely. https://whatgreenhome.com/does-voc-free-paint-require-voc-free-undercoat/https://whatgreenhome.com/does-voc-free-paint-require-voc-free-undercoat/Sun, 25 Oct 2026 08:00:00 +0000A VOC-free topcoat over solvent primer still off-gasses. Pair the system correctly for cleaner air and a lasting finish.