greenhomesums blog

Plain-English writeups on UK solar, heat pumps, EPC, the Ofgem price cap and green-home grants. Written by the team behind the calculators.

22 April 2026 · 3 min read

Best SEG export tariffs 2026: who pays most for your solar

A straight comparison of every major UK Smart Export Guarantee tariff for 2026 — from Octopus Outgoing Fixed at 15p to Rebel at 2.5p. Who you can switch to without also switching imports, and how much that choice is worth per year.
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21 April 2026 · 3 min read

What the new Ofgem price cap means for your bill

The Ofgem default-tariff price cap changes every three months. Here's what it actually caps, who it affects, and what the latest reset does to a typical UK household's bill — for electricity, gas and dual-fuel, by payment method.
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20 April 2026 · 4 min read

EPC C by 2028: what landlords and homeowners need to do now

The proposed 2028 Minimum Energy Efficiency Standard uplift to EPC C is coming, and most UK housing stock isn't ready. Here's the actual compliance pathway, who it hits hardest, and the cheapest measure stack to get you there.
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