Our Methodology
Eco Home Check publishes research on UK energy grants, home efficiency costs, and certified installers. This page explains precisely how we conduct that research, how we calculate figures, how to check installer credentials, and how we keep everything current.
How We Research Grants
Every grant article begins with primary source research. We do not rely on secondary reports or press releases as our starting point.
- Sources: GOV.UK scheme guidance, Ofgem scheme documentation, official DESNZ publications, Energy Saving Trust briefings
- Verification: Eligibility criteria checked line-by-line against the most recent official scheme documentation
- Grant amounts verified against current Ofgem or DESNZ published figures — never estimated
- Scheme status (open, closed, paused) checked at time of publication and updated within 48 hours of any official announcement
- Update cadence: Grant pages reviewed monthly; corrected immediately on any scheme change
How We Calculate Costs
We publish cost ranges, not single figures, because installation costs vary by property type, location, and specification.
- Data sources: Installer trade bodies (HIES, NAPIT), Energy Saving Trust published benchmarks, BEIS/DESNZ heat pump cost studies, industry surveys
- Ranges triangulated from at least three independent sources before publication
- Regional variation: Where cost data varies significantly by region, we publish separate ranges for higher-cost areas (London/South East) and typical UK-wide figures
- VAT depends on the supply. Qualifying installed energy-saving materials currently benefit from 0% VAT until 31 March 2027; standalone products and other work may have different rates. Check the VAT treatment on your quote.
- Quarterly review cycle on all cost pages; updated immediately if a significant industry-wide shift occurs (e.g., supply chain changes affecting panel prices)
How to Check an Installer
These are checks homeowners can make before appointing an installer. We do not currently publish a vetted or ranked installer directory.
Certification for the work
For solar PV and heat pumps, check the business and relevant technology on the MCS Register. Other types of work have different accreditation requirements.
Business identity
Check the name, address and trading details on your quote. For a limited company, check its Companies House record.
Reviews and complaints
Read recent independent reviews, including how the business responds to complaints. A review score alone is not a guarantee of workmanship.
Written terms
Compare the scope of work, total price, payment schedule, warranties and any grant assumptions before signing.
Our Approach to Recommendations
Our guides explain options and limitations. We do not currently operate a scored installer comparison or paid placement service.
- Planned affiliate commissions and referral fees will not determine editorial conclusions
- Any future installer introduction will depend on the work required and the provider being able to serve your area
- We will explain the proposed provider and any paid referral arrangement before sharing your details
- Paid links will be clearly identified where they appear
How We Update Content
- Cost pages: Quarterly review cycle — typically January, April, July, and October
- Grant pages: Monthly review, plus immediate update on any official scheme change announcement
- Installer credentials should be checked with the relevant register before any appointment
- All pages display a visible 'Last reviewed' date so readers know how current the information is
- Scheme changes: When GOV.UK or Ofgem publish changes, we update affected pages within 48 hours
Our Editorial Team
Our content is researched, drafted, and reviewed by Eco Home Check’s editorial team, with all factual claims verified against primary government and industry sources before publication. We do not use individual bylines as our editorial process is collaborative and source-verification driven. The organisation, not any individual, is responsible for accuracy.
Corrections Policy
We take accuracy seriously. If you spot an error — whether a wrong grant amount, an outdated eligibility criterion, or a factual inaccuracy — please report it to us.
- Report corrections to corrections@ecohomecheck.co.uk
- We review every reported error, typically within one business day
- Confirmed errors are corrected within 48 hours
- Corrected pages receive an updated 'Last reviewed' date
- Material corrections are noted in a brief correction note on the affected page
To report an error, email corrections@ecohomecheck.co.uk.