If you own a rental in Newport and you're searching for a boiler grant, you're looking at three separate pots of money with three different rulebooks — and the one with the biggest headline number is the one least likely to pay for a boiler. Here's what each actually covers for a Newport landlord in 2026.
ECO4 — the "free boiler" scheme. This is the one people mean by a free boiler grant. It's funded by energy suppliers, not the council, and it can fully fund a replacement heating system on a private rental where the property is EPC band D–G and the *tenant's* household qualifies — either through a means-tested benefit (Universal Credit, Pension Credit and a short list of others) or through Newport's own flexible-eligibility criteria. Nothing about your income as a landlord enters into it. ECO4 closes on 31 December 2026, and installers need roughly 10–18 weeks end-to-end, so the practical deadline to start is around September 2026.
Newport publishes an ECO4 Statement of Intent, so the flexible route (LA Flex) is live here — a Newport household on a modest income but no qualifying benefit can still be referred onto ECO4 through the council's own criteria.
The Boiler Upgrade Scheme — £7,500, but not for a boiler. Despite the name, BUS funds a *heat pump* (or in narrow cases a biomass boiler). It will not pay a penny towards a new gas or oil boiler, which is the single most common misunderstanding behind a "Newport boiler grant" search. What it does do is pay £7,500 straight to your installer against an air source heat pump, with no household income or benefits test at all, and — since April 2026 — no requirement for a valid EPC with outstanding insulation recommendations. One grant per property, applied for by the installer, not by you.
Warm Homes: Local Grant doesn't apply in Wales. WHLG is an English scheme, so a Newport landlord has ECO4 and the Boiler Upgrade Scheme as the two live national routes. Welsh Government runs its own fuel-poverty programmes separately, and those are aimed at owner-occupiers and social housing rather than private landlords.
Newport is a Welsh principal area, so it handles retrofit-grant delivery end-to-end — no separate district layer. ECO4 rules run across England, Scotland, and Wales, so Welsh landlords with rentals in Newport sit on the same national scheme as landlords in England, with LA Flex working through the principal area rather than through a district council.