Should I Pay a Builder in Cash?
It is legal, but it leaves you with little record of what you paid. Why a traceable payment is better, and how to pay a builder safely.
The short answer
Better not. Pay in a way that leaves a clear record.
It is better not to pay a builder in cash. It is legal, but it leaves you with little record of what you paid, when and for what, which matters if there is ever a disagreement about the work or the price. A bank transfer or debit card payment gives you a clear trail. If a builder offers a discount for cash, especially one linked to leaving VAT off, treat it as a warning sign rather than a saving.
Most builders are perfectly happy to be paid by transfer. This page explains why records matter, what a cash discount usually means, and how to pay by bank transfer safely.
Why it matters
Records are what you rely on if something goes wrong
Most jobs go fine, and nobody looks at the payment records again. They matter in the minority of cases where something is disputed: whether a deposit was paid, how much has been paid so far, or whether a payment was for the agreed work or for extras.
A bank transfer shows the date, the amount and the account it went to. A debit card payment shows the business that took it. Cash shows nothing, unless the builder gives you a proper receipt, and a handwritten note is easy to dispute later.
Records also protect the builder. A builder who asks for transfers and sends proper invoices is making it easy for both of you to agree what has been paid. That is usually a sign of a business that expects to be around, and expects its customers to come back.
Traceable payments also help if you need to show what was spent on the property, for example when you sell, or if you claim on your home insurance for related damage. Our guide to invoices and receipts for building work explains what to keep.
The cash discount
What 'cheaper for cash' usually means
A builder who is VAT registered must charge VAT on work where it applies, whatever way you pay. A lower price for cash, without VAT, suggests the payment may not be declared. That is the builder's tax matter, but it tells you something about how the business is run, and it leaves you with no invoice and no record.
If a builder isn't VAT registered, there is no VAT to leave off, and a cash discount has no obvious reason behind it. Either way, it is fair to ask why. See does building work include VAT?
This is general information, not legal or tax advice.
Paying safely
How to pay a builder by bank transfer
Get the bank details in writing
On the quote or invoice, with the account name. The account name should match the business you are contracting with.
Confirm the details by phone before the first payment
Call the builder on a number you already know, not one in the email, and read the details back. Criminals sometimes intercept emails and send altered bank details.
Be wary of changed details
If you are told part way through that the account has changed, confirm it by phone before paying anything to the new account.
Pay in line with the agreed schedule
A modest deposit, then payments tied to stages of work that have been done. See staged payments explained.
Keep everything together
The quote, invoices, receipts and bank records, in one place, until well after the warranty period has ended.
Ask the builder for a written receipt showing the date, the amount, what it was for, and their name or business name. Keep it with your quote. For future payments, ask to switch to bank transfer. A reasonable builder won't mind.
Paying well
Good habits whatever the method
Pay against a written quote
Only pay once you have the work, the price and the payment terms in writing. It is the document every payment is measured against.
Keep payments in step with the work
A modest deposit, then payments that follow the work actually done. Avoid getting ahead of the job.
Ask for a receipt every time
Even for a transfer, a receipt or updated invoice showing what has been paid and what remains keeps both sides clear.
If you use Mortaro
Payments by bank transfer
Payments through Mortaro are made by bank transfer, so there is always a record. Your quotation sets out a 25% deposit to secure the works, with the balance due on completion.
Both payments are legally made to your appointed main contractor, who is named in your quotation. We receive them as the contractor's payment administration agent and pass them on without unnecessary delay. We don't hold client funds. The full detail is on payments explained.
Straight answers
Questions about paying builders
Is it illegal to pay a builder in cash?
No. Paying in cash is legal. The concern is the lack of a record, and what a cash-only request may say about the business. This is general information, not legal advice.
Should I pay for materials up front?
A reasonable deposit often covers early materials. Be cautious about large separate payments for materials, especially in cash. See warning signs of a bad builder.
Can I pay a builder by debit card?
Yes, if the builder accepts card payments. A debit card payment shows the business that took it and the amount, which gives you the same kind of clear record as a bank transfer.
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