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Helping UK homeowners find and claim government energy grants. Free, independent, and always on your side.

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Energy guides

Energy Guides and Comparisons

Every guide here answers a specific question we get asked constantly: how much do solar panels actually cost, which heat pump brand is worth the money, what does your EPC rating mean for grant eligibility. No filler. Costs, grants and practical next steps, checked against current government and industry data for April 2026.

Last reviewed: April 2026By Eco Home Check Editorial Team

Topic hubs

Browse by topic

Each hub gathers everything we've published on a topic, plus the grants and costs that apply.

Solar Panels

Costs, grants and quotes

Heat Pumps

BUS grant and installation

Insulation

Loft, cavity and solid wall

Solar Panels

Solar Panels for 2 Bedroom House 2026: Costs & Savings

How many solar panels does a 2 bed house need? Real 2026 costs from £3,500, savings, grants and what most installers won't tell you.

Eco Home Check Editorial TeamRead
boilers

Boiler Over 15 Years Old Government Scheme 2026: What You Can Get

Got a boiler over 15 years old? See which 2026 government schemes pay £7,500 towards a heat pump or fund a free replacement entirely.

Eco Home Check Editorial TeamRead
epc

EPC Rating B 2026: What It Means & How to Get There

EPC rating B means your home scores 81-91 and runs cheap. Here's what it takes to get there in 2026, plus the grants that cover the work.

Eco Home Check Editorial TeamRead
epc

EPC Exemption 2026: When You Can Skip the Rating

EPC exemption rules for 2026: who qualifies, how to register, and what it means for grants. Check your eligibility in 2 minutes.

Eco Home Check Editorial TeamRead
Grants & EPC

Energy Grants Scotland 2026: What You Can Claim

Scottish energy grants 2026: Home Energy Scotland loans, ECO4, BUS and Warm Home Discount. Check what you qualify for in 2 minutes.

Eco Home Check Editorial TeamRead
epc

EPC Rating F 2026: Grants & Upgrades Available Now

EPC rating F? You qualify for ECO4 full-fund insulation and £7,500 off a heat pump. See costs, upgrades and how to apply in 2 minutes.

Eco Home Check Editorial TeamRead
Heat Pumps

Heat Pump for Detached House 2026: Costs & Grants

Detached house heat pump costs in 2026: £10,000 to £18,000 before grants, £7,500 off via BUS. Check eligibility in 2 minutes.

Eco Home Check Editorial TeamRead
epc

EPC Rating C Monthly Cost 2026: What to Expect

EPC band C homes cost roughly £140 to £180 a month on energy in 2026. See real figures, grants, and the cheapest route to reach band C.

Eco Home Check Editorial TeamRead
Solar Panels

10kW Solar System 2026: Cost, Output & What to Expect

10kW solar system costs £9,000 to £14,000 in 2026. See real output figures, payback time, and which grants can cut the bill.

Eco Home Check Editorial TeamRead
Solar Panels

5kW Solar System 2026: Cost, Output & Grants

What a 5kW solar system costs in 2026, how much it generates, and which grants cut the price. Real numbers, honest advice.

Eco Home Check Editorial TeamRead
Solar Panels

Solar Panels for a 4 Bed House 2026: Costs & Savings

How many solar panels a 4 bed house needs in 2026, real costs from £6,500 to £10,000, savings, and which grants still apply.

Eco Home Check Editorial TeamRead
boilers

Oil Combi Boiler 2026: Grants, Costs & Best Options

Oil combi boiler costs from £2,500 to £4,500 in 2026. No direct grants, but here's what off-gas homes can claim instead. Check your eligibility.

Eco Home Check Editorial TeamRead

Common questions

About these guides

Are these guides free to read?
Completely free. Some guides contain affiliate links to installer quote services, and we flag those clearly at the top of the article. You're never charged for reading anything on Eco Home Check.
How often are the guides updated?
Comparison guides get a full review every quarter. Informational guides are reviewed annually or sooner if a scheme changes, a grant amount shifts, or costs move enough to matter. Every guide shows a 'Last reviewed' date so you can judge for yourself.
Who writes the guides?
Our content is researched and produced by the Eco Home Check editorial team — writers, researchers and fact-checkers with backgrounds in UK energy policy, consumer affairs and personal finance. Every article is verified against primary government sources (GOV.UK, Ofgem, MCS Register) before publication. Read more about our editorial process on our methodology and editorial-policy pages.

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Grants

Every UK scheme in 2026

Boilers

Free replacements and upgrades

EPC Ratings

What each band qualifies for