What the earthing and bonding certificate covers
An earth bonding certificate records that the main protective (equipotential) bonding conductors are in place and adequately sized to the incoming water, gas, oil and structural-steel services, as required by BS 7671. It is the confirmation a gas engineer frequently needs before working, and that landlords request as evidence the property's bonding is safe.
Who needs one
- Electricians confirming main protective bonding on a property
- Gas engineers who need bonding confirmed before working on an appliance
- Landlords documenting that the property's earthing and bonding is adequate
- Any job where bonding to water, gas or structural steel needs recording
More free certificates.

Electrical
Electrical Installation Condition Report
Full BS 7671 condition report: circuits, test results, C1–C3 & FI codes, Satisfactory/Unsatisfactory outcome.

Electrical
Electrical Installation Certificate
Certify new circuits, installations and consumer unit changes: BS 7671 design, construction and test declarations.

Electrical
Minor Electrical Installation Works Certificate
Certify additions and alterations to existing circuits: the lightweight BS 7671 counterpart to an EIC.
Questions sole traders ask
Why do gas engineers ask for an earth bonding certificate?
A gas engineer needs the property's main protective bonding confirmed as adequate before they work on gas installations. An earth bonding certificate from a competent electrician gives them that written confirmation.
Is the earth bonding certificate free?
Yes. No monthly fee, no per-certificate charge and no expiring trial. Produce as many as you like for £0. Free includes the manual tools and the Assistant with £1 of usage a month: 5% of each payment Tradehand takes, card fees included. Paid plans from £25 a month add automation and more usage. Basic payment fees on your own jobs: From 1.25% + 20p, deducted automatically when the customer pays. Grow and Advanced have lower Tradehand payment fees.
What does it record?
It records the main protective bonding to each relevant service (water, gas, oil and structural steel) whether each is present and adequate, and the overall assessment, against BS 7671.
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