What to put on a job sheet (with a free template for any trade)

Most tradespeople don’t use job sheets. They probably should.

A job sheet sounds like a piece of admin from a corporate trade business — something a 50-person firm uses but a sole trader skips. In practice, the opposite is true. Sole traders need them more, because they don’t have a project manager, a paper trail, or a back-office to clean up disputes after the fact. The job sheet is the paper trail.

This post is the practical version: what to put on a job sheet, why, and how to make one in 2 minutes per job without a desk.

If you’d rather just generate one, our free job sheet template for tradespeople is built specifically for this — pick your trade, fill in the works, capture a customer signature on your phone. Available for plumbers, electricians, HVAC, heating engineers, builders, bathroom fitters, kitchen fitters, and more.

What a job sheet is for

It’s evidence. Specifically, it’s evidence of three things:

1. What you did. The exact works completed, in your own description.
2. What you used. Materials, with quantities — protects you on cost variations and warranty claims.
3. That the customer accepted it. Their signature confirming the work is complete and satisfactory.

These three things solve four problems that come up regularly in trade businesses:

• Payment disputes. “I never agreed that the second radiator would be replaced.” A signed job sheet listing both radiators settles it.
• Warranty callbacks. Customer rings six months later: “The boiler is leaking — you must have left something loose.” Your job sheet shows what you actually touched.
• Insurance claims. A property gets damaged shortly after you work on it. A signed sheet listing what you did and didn’t do protects you from being blamed for unrelated damage.
• Compliance follow-up. Test certificates, gas safety certificates, EICR reports — these are formal documents that follow specific work. The job sheet is the on-site record that supports them.

Without a job sheet, all of this rests on your memory and the customer’s goodwill. That’s a thin line.

The 8 fields every job sheet needs

Cut anything else. The whole document should fit on one page so the customer can read and sign it without scrolling on a phone.

1. Your business name and contact details.
2. The customer’s name, site address, and contact number. Site address might differ from the billing address — capture both if so.
3. Job number and date. A simple sequence (JS-2026-001) and the day the work was done.
4. Arrival and departure times. Two minutes to write, useful evidence on time-and-materials disputes.
5. A checklist of works completed. Tick boxes or short bullets in plain language. “Replaced kitchen tap, including new isolator valves and waste connection.”
6. Materials used. Description, quantity, unit. Important for materials-heavy work and absolutely essential for jobs where parts are warranted.
7. Follow-up notes. Anything the customer needs to do, or anything that warrants a return visit. Date when next service is due. Recommendations.
8. Customer sign-off. Their printed name, signature (drawn on screen), tickbox confirming “work completed and satisfactory,” timestamp.

That’s it. No project plan. No risk assessment (that’s a separate document if your work needs one). No long terms and conditions. The job sheet’s only job is to record what happened and confirm acceptance.

Why the signature matters more than people think

The signature isn’t just ceremonial. It does three concrete things:

• It locks in the customer’s memory of acceptance. Six months later, when something goes wrong elsewhere in the property and they’re looking for someone to blame, a signed sheet stops the conversation.
• It establishes a clear handoff. “I’m signing because the work is done and I’m satisfied.” From that moment, any further work is a new job, billable separately.
• It increases the chance of being paid promptly. Customers who sign acceptance pay invoices materially faster than those who don’t — there’s no “let me check this with my partner” delay; the work is already accepted.

If you’re worried about the awkwardness of asking for a signature, the framing that works is the one that benefits the customer too: “I just need a quick signature so we both have a record of what was done — useful if anything ever needs checking later.” In our experience, customers sign without question when it’s framed as protection for them rather than for you.

How to do this in 2 minutes per job

The reason most tradespeople don’t use job sheets is the time. Filling out a paper form on a clipboard, in someone’s house, at the end of a long job, is a 10-minute task that nobody enjoys. So it gets skipped.

The fix is to do it on a phone:

• Trade-specific tasks and materials are pre-filled, so you tick rather than type.
• Customer signs directly on your phone screen.
• The PDF generates instantly — email it to the customer, save a copy for yourself.

Our free job sheet generator does exactly this — no sign-up, no watermark, builds the PDF in 2 minutes from start to signed.

Pair it with the invoice

The two-document workflow that gets tradespeople paid fastest is job sheet first, invoice second — both sent same day, ideally before leaving site:

1. Job sheet confirms the work is done and accepted (customer signature).
2. Invoice asks for payment, referencing the same work.

When the customer queries the invoice (which happens on ~5% of trade invoices), you can refer back to the job sheet they signed. It almost always closes the conversation.

For invoicing, our invoice generator covers the same trades and follows the same logic — pick your trade, line items pre-filled, email it from site. We’ve also written a more detailed guide to invoicing as a tradesperson if the payment side is where you’re losing time.

Don’t lose the next call while you’re filling in paperwork

The tradespeople who use job sheets tend to be the most professional — but they also tend to miss more calls, because they’re spending the end of every job doing admin while the phone rings out. Every missed call to a tradesperson averages £180-£420 in lost lifetime value.

Clara is the AI receptionist tradespeople use to stop missing those calls — answers the phone while you’re handing the customer a tablet, captures the next caller’s details, sends you an instant summary. Try it free for 7 days, no credit card.

Or if you just need a job sheet right now: generate one in 2 minutes, free, no sign-up.