Should You Take a Deposit on Electrical Jobs? (and How Much)

There's a persistent myth among tradespeople that asking for a deposit makes you look less trustworthy or drives away customers. The opposite is true. Asking for a deposit:

• Weeds out time-wasters — a customer who balks at a 25% deposit on a £400 job isn't serious about the work
• Reduces no-shows and cancellations — once money has changed hands, customers are far less likely to cancel at the last minute without adequate notice
• Protects you from materials cost exposure — if you buy £200 of materials for a job and the customer cancels, you're out of pocket without a deposit
• Signals your professionalism — all credible builders, tradespeople, and contractors ask for deposits. A tradesperson who doesn't is either very small or very desperate for work — neither is reassuring
• Improves your cash flow — particularly valuable on larger jobs where materials and time commitments are substantial

The survey evidence is clear: most customers expect to pay a deposit for larger jobs and don't view it negatively when asked professionally and explained clearly.

Not every electrical job needs a deposit. A rational policy balances protection against the friction of requiring deposits on small jobs:

Jobs where deposits are clearly worth it:

• Any job over £500 — the exposure if a customer cancels after you've bought materials is significant
• Rewires — a full or partial rewire involves significant materials (£500–£2,000) and multiple days of labour. A 30–40% deposit is standard
• EV charger installations — the charger unit is a significant materials cost (£200–£500) that you may not easily resell. A deposit covering materials is entirely reasonable
• Consumer unit replacements — board and materials cost £150–£300. A deposit makes sense
• Commercial jobs — always use stage payments on commercial work. 30% on contract signing protects you at the outset

Jobs where a deposit is less necessary:

• Small domestic jobs (fault-finding, extra socket, single circuit) under £200–£250 where payment on completion is simple
• Emergency callouts where you'll collect payment same day
• Repeat customers with a good payment history

Deposit amounts vary by job type and convention in your area, but general guidelines:

• Small-medium jobs (£500–£1,500): 25–30% deposit. Covers your materials exposure and confirms commitment
• Large jobs (£1,500–£5,000): 30–40% deposit, or structure as stage payments (e.g. 30% at start, 40% at first-fix, 30% at completion)
• Very large jobs (rewires, major commercial work over £5,000): 20–30% deposit with defined stage payments at key milestones. Never ask for more than 50% upfront — it raises customer suspicion and on large commercial jobs, onerous upfront payment terms can affect your competitiveness

What the deposit should cover:

The deposit should at minimum cover your materials cost for the job. If a customer cancels after you've ordered materials, you should not be out of pocket. A deposit that covers materials and 25–30% of labour is a reasonable structure.

In your quote, be explicit: "A 25% deposit of £[amount] is required to confirm this booking. The remaining balance of £[amount] is payable on completion." Customers appreciate clarity.

Many electricians are uncomfortable asking for deposits because it feels like they're asking for trust. Reframe: you're setting professional terms for a business transaction, not asking for a favour.

Practical language that works:

• In your quote: "To confirm your booking, I ask for a 25% deposit. This allows me to order your materials and block the time in my schedule. The remaining balance is payable on completion."
• When accepting a booking: "Brilliant — I'll get that booked in. I'll send you the deposit invoice now — once that's paid I'll confirm the date in writing."
• For customers who ask why: "I require a deposit on all jobs over a certain size — it covers materials and confirms the booking. Once I receive payment, your slot is guaranteed."

State the deposit requirement in your quote, not as a surprise when someone tries to book. If it's an established expectation from the first contact, almost no customer objects.

Have a clear written cancellation policy and include it in your T&Cs. A reasonable policy:

• Cancellation with more than 48 hours notice: Full deposit refund (or transfer to another booking date)
• Cancellation with 24–48 hours notice: 50% of deposit refunded
• Cancellation with less than 24 hours notice: Deposit forfeited (it covers your lost earnings from turning away other work for that day)

This policy should be in your quote/booking confirmation and the customer should acknowledge it. Keep a record of when the quote was sent and when it was accepted — this creates an evidence trail if there's a dispute.

In the Consumer Rights Act context, any terms need to be fair and not unduly punitive — an all-or-nothing forfeit policy for any cancellation at any time would likely be challenged. The structure above is generally considered fair and proportionate.