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Plumber invoice template

A plumber invoice template for jobs that changed halfway through

Plumbing is the trade where the quote and the job most often part company, because nobody knows what is behind the wall. The invoice needs to show what was agreed, what was found, and what was authorised.

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The line items below are pre-filled for this kind of work. Edit anything, add your amounts, and download the PDF — no account needed.

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What to include

A plumbing invoice should let the client reconstruct the visit: when you were there, what you did, what you fitted, and what it cost.

  • Labour with the date, hours on site, and job reference
  • Parts and fittings, itemised rather than bundled
  • Call-out, minimum charge, or emergency surcharge as its own line
  • Waste removal, disposal, and any specialist hire

Emergency jobs and planned work

An emergency call-out and a booked bathroom install are different businesses wearing the same trade name. Bill them on different terms.

  • Emergency work: invoice on completion, payable immediately, with the surcharge visible
  • Planned installs: take a deposit for materials and bill the balance on completion
  • Larger jobs: stage the billing against milestones the client can see
  • Landlord and agency work: quote the property reference and expect payment on terms

Diagnosis, discovery, and the work nobody quoted

The two hardest plumbing lines to explain are the diagnostic visit that produced no repair and the additional work found once the floor came up. Both are legitimate and both look like padding if they land on an invoice unannounced. The fix is not on the invoice — it is a phone call from the site before the extra work starts, referenced on the invoice afterwards.

  • Charge for diagnosis as a named line, even when the client declines the repair
  • Get authorisation for discovered work while you are still on site, then reference the time and person who approved it
  • Show the deposit as a credit against the total, not as a separate note
  • State parts pricing consistently — cost plus a stated margin, or a supply rate
  • If a return visit is needed for parts, say whether the second visit carries a call-out

FAQ

Common questions

Can I charge for a diagnostic visit if the client declines the repair?

Yes, provided you said so up front. Diagnosis is skilled work and the visit had a real cost. Give it a named line rather than folding it into a quote the client never accepted.

How do I bill work I only found once I opened things up?

Authorise it before you do it. Call the client from site, agree the extra, then invoice it as its own line with the date and the name of the person who approved it. Discovered work billed without that trail is the most disputed line in the trade.

Should the emergency surcharge be a separate line?

Yes. Clients accept an out-of-hours premium far more readily when they can see it as a distinct, labelled charge than when it arrives as an unexplained hourly rate they do not recognise.

Should a plumber take a deposit?

For planned work with significant materials, commonly yes — enough to cover what you have to buy before you start. Show it on the final invoice as a credit against the total so the remaining balance is unambiguous.