What Should a Tradesperson Invoice Include? 2026

A professional invoice does two things — it tells your customer exactly what they owe, and it protects you legally if anything goes wrong. Here's everything a UK tradesperson invoice must include in 2026, plus a quick checklist to run through before you send.

The Legal Requirements — What Must Be on Every Invoice

1

The word "Invoice"

Clearly at the top of the document. This distinguishes it from a quote or a receipt — sounds obvious but it needs to be there.

2

A unique invoice number

Every invoice must have its own reference number — essential for your records and Self Assessment return. Keep it simple and sequential.

Examples

INV-001, INV-002, INV-003 — or with year: 2026-001, 2026-002. Never use the same number twice.

3

The date of the invoice

The date it was issued — this is the starting point for your payment terms.

4

Your business details

  • Your full name or business name
  • Your business address or correspondence address
  • Your contact details — phone number and email
  • If a limited company: company registration number and registered office address
5

Your customer's details

Full name or business name and their address. Important if you ever need to chase payment formally.

6

A clear description of the work

One of the most important sections — and one of the most commonly done badly. Don't just write "plumbing work." Be specific.

Good example

Remove existing boiler and dispose of responsibly · Supply and fit new Worcester Bosch 30i combi boiler · Commission and test · All pipework and fittings included

A clear description prevents disputes, builds trust, and gives the customer confidence they're paying for exactly what was agreed.

7

The amount charged

Where possible, split out materials cost, labour cost, and any call-out fees separately. This transparency builds trust and makes it easier to justify your price if questioned.

8

The total amount due — clearly highlighted

Bold it, make it larger, put it in a box — whatever it takes to make it impossible to miss at a glance.

9

Your payment details

  • Bank name, account name, sort code, account number
  • If you accept card payments or PayPal — include those details too
  • The easier you make it to pay, the faster you get paid
10

Your payment terms

Always state when payment is due — e.g. "Payment due within 14 days of invoice date." Without a due date your customer has no deadline and late payments become much harder to chase legally.

If You Are VAT Registered

Additional requirements for VAT-registered tradespeople

  • Your VAT registration number
  • The VAT rate applied to each item (usually 20%)
  • The VAT amount charged
  • The total amount excluding VAT
  • The total amount including VAT

If you're not yet VAT registered — the threshold is £90,000 turnover in a 12-month period — you don't need to include any VAT information and should not charge VAT.

Optional Extras That Help You Get Paid Faster

Your logo

Makes you look established and professional. Even a simple one at the top makes a real difference to first impressions.

Late payment clause

A note that late invoices may be subject to statutory interest under the Late Payment of Commercial Debts Act. Encourages on-time payment without being aggressive.

A thank you note

A short line thanking the customer costs nothing. Customers who feel appreciated pay faster and come back more often.

Terms and conditions

For larger jobs, a brief summary of your T&Cs or a link to them on your website — protects you if scope or payment is disputed.

Quick Checklist — Before You Hit Send

Every invoice should have all of these

  • The word "Invoice" at top
  • Unique invoice number
  • Date of invoice
  • Your name and address
  • Customer name and address
  • Clear work description
  • Materials and labour split
  • Total amount highlighted
  • Your bank details
  • Payment terms and due date
  • VAT details if applicable
  • Your logo if you have one
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The Bottom Line

A proper invoice isn't just about getting paid — it's about looking professional, protecting yourself legally, and building a reputation as a tradesperson who runs a tight operation. Get into the habit of sending complete, professional invoices on the same day every job is done and you'll have fewer disputes, faster payments, and happier customers.

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