Checker (formerly Gas Checker)

Certificates & CP12 · For gas, heating, plumbing · Suits sole trader and small firms

Price

from £10.99/mo

Lite £10.99/mo (£109.99/yr); Pro £19.99/mo (£199.99/yr); Pro+ £25.99/mo (£259.99/yr) plus £10.99/mo per sub-user. All + VAT.

Free trial: 30 days, no card

Checked on the vendor's site 20 Oct 2026

Works for sole traders and small firms.

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Certificates & CP12

Price not verified

Price not shown on the homepage we checked.

sole trader Price not verified

Certificates & CP12

Price not verified

Price not shown on the vendor's Gas Cert page (it links to a separate pricing page).

sole tradersmall firm Price not verified

Certificates & CP12

from £20/mo

£20 + VAT per user per month, or £216 + VAT per user per year. One plan, no feature tiers.

sole tradersmall firm Price checked 20 Oct 2026