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Late payment letter for window cleaners (UK)

When a round customer owes for several cleans, a short polite letter through the door is easier than knocking every week.

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Not legal advice. This letter is a polite payment reminder. It does not add interest or make legal claims. For your rights when a business customer pays late, see GOV.UK: late commercial payments.

The round customer who's always out

Unpaid window cleaning usually builds up quietly. The customer is never in when you call, you leave a note, and before long they owe for three or four cleans. Most aren't avoiding you. They've just lost track. A clear letter, listing what's owed and how to pay by bank transfer, usually sorts it out.

Put the total for all the unpaid cleans in "Amount outstanding". Use the extra message box to list the dates, for example "Cleans on 4 Sept, 2 Oct and 30 Oct at £20 each."

Make paying easy

Many people who never have cash would happily pay by bank transfer. Put your bank details in "How to pay you" and suggest they use their house number and street as the reference. That alone clears a lot of arrears.

The three reminders

Business customers

For shops, offices and agents, GOV.UK explains when you can claim statutory interest and compensation on late commercial payments. This letter doesn't add either, and it isn't legal advice.

Frequently asked questions

Should I keep cleaning if a customer owes me?

Many window cleaners pause until the account is paid. If you do, say so politely in the letter.

Can I post the letter through the door?

Yes. Print the PDF, or email it if you have their address.

How many cleans should I let build up?

That's your call, but chasing after two unpaid cleans keeps the amount manageable.

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