Consumer unit changes, lighting upgrades, and fault finding all need different labour shapes and material assumptions. Build quotes that show the job — not a single mystery day rate.
Homeowners compare three quotes on WhatsApp. When yours breaks out containment, testing time, devices, and cable by circuit, you look like the spark who priced the work properly — and you catch the margin leaks that hide in “supply and fit” bundles.
Model the board as line items: isolation, testing and certification, notification where applicable, new devices, labelling, and realistic time for existing installation quirks — not a flat “new fuse box” figure that collapses when you open the enclosure.
Split decorative circuits from functional lighting, allow for downlight quantities and fire-rated fittings, and capture driver or control gear where LED loads need it. Customers see why your total differs from a hand-written one-liner.
Use structured labour lines for first and second fix, fault diagnosis blocks, and premium rates for evenings or tight access — so short jobs still recover van time and the cognitive load of tracing faults.
Cable by length and size, metal/plastic containment, accessories packs, and sundries that usually vanish from mental maths. Mark up contractor-supplied materials consistently so copper inflation does not quietly eat the job.
Follow the path below for electricians — deep guides, templates, calculators, and product surfaces that reinforce the same pricing habits from first quote through to payment.
Generic invoice apps start after you have already named the price. Quotimiser keeps labour, materials, travel, overheads, and VAT visible on the quote — then carries the same structure through to invoices and client-facing links so nothing drifts when the customer says yes.
Yes. Structured line items are the point — separate inspection & testing, remedials, and materials so the customer understands what they are buying and you do not bury recoverable time in one round figure.
When you are VAT registered, VAT-aware totals follow your business profile so quotes and invoices stay aligned — see our VAT guide for trades in Resources if you need wording discipline, not tax advice.
No. The same line-item model works for small commercial maintenance and light industrial — scale labour blocks, materials packs, and access assumptions per site instead of forcing a one-size template.
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