Before the First Van Moves: Deposit Terms for Small UK Trade Jobs

A deposit request can feel awkward on a small job. The client sees a price and expects work; the firm sees material orders, hire charges and a diary slot that cannot be sold twice. The awkwardness usually comes from presentation, not principle. Where a mobilisation payment is explained as part of how the job is run, it reads as professional. Where it appears as a line at the bottom of a quote with no context, it reads as doubt.

For smaller UK trade firms, the aim is not to extract money before work begins for its own sake. It is to avoid funding a client's project from the firm's own cashflow, then waiting for a final invoice to restore the balance. A deposit is a control on mobilisation. It should be set, worded and administered so that both sides understand what it does.

Decide what the payment is actually for

A deposit should have a purpose that can be stated in one sentence. Common purposes include materials bought specifically for the job, plant or tool hire, a survey or design input that takes place before installation, and the reservation of a start date that would otherwise be offered to another client. These are different risks, and the quote should not blur them.

For a small domestic job, the simplest approach is often a materials-and-booking payment. For a commercial client, it may be a mobilisation payment against a purchase order. For labour-only work, where the firm is not buying significant materials, a smaller booking payment or an early first milestone may be more appropriate. The label matters less than the explanation. 'Deposit' is widely understood; 'mobilisation payment' sounds more commercial; either is acceptable if the terms are clear.

Avoid treating the deposit as extra margin or as a general goodwill payment. It should be credited against the contract sum and recorded as such. If any part is non-refundable, that must be fair, clearly stated and connected to actual costs the firm will incur, not used as a penalty.

Set a figure that can be defended

There is no single correct percentage for every trade and every job. A sensible starting point is to calculate what the firm must spend before it can reasonably expect the first milestone payment. If specialist materials are ordered on acceptance, the deposit should cover those orders plus a reasonable allowance for administration and diary reservation. If the client supplies the materials, the deposit can be lower because the firm's exposure is lower.

For many small works, a deposit in the region of 10% to 25% is common, but it should be built from the job rather than copied from a template. A £900 bathroom repair with £400 of bespoke fittings is not the same risk as a £900 labour-only decorating job. The quote should show the amount, not just a percentage, and should state whether VAT is included. Where a deposit is calculated as a percentage, show the calculation plainly so the client is not left doing arithmetic.

Keep the figure consistent with the payment schedule. If the deposit is large, the next milestone should not arrive so soon that the client feels they are paying twice for the same stage. If the deposit is small, the firm should be satisfied that it can carry the early costs without strain.

Put it in plain English on the quote

The quote is the right place to explain the deposit, not a separate email sent after the client has agreed the price. Put the term near the total, under a short heading such as 'Mobilisation payment' or 'Booking deposit'. A workable wording is:

A mobilisation payment of £X is due on acceptance of this quote. It reserves the start date and covers [materials ordered for this job / hire / pre-start administration]. The payment is credited against the final invoice. The balance is payable at [milestone] and on completion.

That wording does three things. It states the amount, gives the reason and confirms that the payment is not lost. If cancellation terms apply, add one plain sentence: 'If the client cancels after materials have been ordered, the deposit will be applied to costs already incurred and any balance refunded.' That is clearer than a long clause buried in terms and conditions, and it is easier to discuss if the client asks.

Raise it early, without apology

The first conversation is easier than the fifth. When a client enquires, the firm can say that quotes include a booking payment because start dates and materials are reserved on acceptance. This is not a negotiation tactic; it is a fact about how the job is run. Spoken early, it sounds like standard practice. Spoken after the client has assumed work starts on a handshake, it sounds like a change of terms.

If the client asks why, answer with the job in front of you rather than a general policy. 'The tiles are ordered specifically for your job and the start date is held for you' is more persuasive than 'we ask everyone'. If the client is comparing quotes, the explanation also distinguishes a firm that has thought about mobilisation from one that has not.

Keep milestones simple and connected to events

The deposit should be the first payment in a short, logical schedule. On a small job, deposit plus balance on completion may be enough. On a larger job, deposit, first fix or delivery, and completion are usually sufficient. Avoid adding milestones that are tied only to dates; a payment due on the 15th tells the client nothing about progress and can create dispute if the programme moves.

Each milestone should say what triggers it and what it covers. The deposit should be shown as credited, not repeated. If the client requests a change to the schedule, record the revised terms in writing before the next invoice is raised. A short email confirming the agreed position is better than an informal phone call that is remembered differently by each side.

Handle pushback as a commercial discussion

Some clients will question any upfront payment. Listen first. There is a difference between a client who cannot raise the sum and a client who is uneasy about paying before seeing work. If the concern is cashflow, consider whether a smaller deposit with an earlier first milestone is workable, provided the firm's material exposure is covered. If the concern is trust, explain the protections: the deposit is credited against the job, receipts are provided, and the terms are in the quote.

Do not start work on the strength of a promise that the deposit will follow. That is how the arrangement becomes a dispute. If the client refuses any upfront payment, the firm is entitled to decline the job or to offer different terms that reflect the risk. Either is more professional than beginning with an unresolved cashflow gap.

Administer it as job money, not general money

The deposit should be invoiced separately, receipted promptly and recorded against the job file. If the firm is VAT registered, the deposit invoice should show VAT correctly. Materials ordered against the deposit should be traceable to the job. Where practical, keep the deposit within the working capital for that project rather than using it to cover unrelated overheads; the client has paid it for mobilisation, and the firm's credibility rests on that distinction.

A short checklist before the quote goes out: the amount is stated; the purpose is explained; the payment method and due date are clear; cancellation treatment is fair and written; the deposit is credited against the final invoice; the milestone schedule is attached; and the office knows not to book materials or labour until cleared funds are received, unless the firm has deliberately agreed otherwise.

A deposit is not a barrier between firm and client. It is a working arrangement that lets a small trade business start properly, with materials ordered and the diary protected. Explained in plain terms, it reassures the client that the job has been costed and planned. Explained badly, it creates friction before the first van moves. The difference is usually a few clear sentences on the quote and an early conversation.