The InvoiceAdept blog.

Practical guides on Making Tax Digital, invoicing, and running a successful trades business, written in plain English, not accountant-speak.

Plumber invoice template UK (2026): CIS, VAT, and a worked example

Free UK plumber invoice template for 2026. What to include, CIS 20/30, domestic reverse charge, call-out vs labour, and a worked example.

4 September 20268 min read
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Builder invoice template UK (2026): stage invoices, CIS, VAT, reverse charge

UK builder invoice template for 2026 with stage invoices, CIS 20/30, domestic reverse charge, prelims, plant hire, and a kitchen side-extension worked example. Illustrative figures only.

4 September 202615 min read
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Locksmith invoice template UK (2026): call-out, cylinders, CIS

UK locksmith invoice template for 2026: call-out versus cylinders, CIS in and out under HMRC CISR14210, VAT tax point on a doorstep payment, and a copy-paste field list. Illustrative figures only.

4 September 202624 min read
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Painter and decorator invoice template UK (2026): CIS, VAT and rooms

UK painter and decorator invoice template for 2026: rooms and coats, labour versus paint and paper, CIS 20/30, VAT tax point, tower hire, and a copy-paste field list. Illustrative figures only.

4 September 202612 min read
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Roofer invoice template UK (2026): CIS, VAT, and a worked example

Free UK roofer invoice template for 2026. What to include, CIS 20/30, domestic reverse charge, tiles vs labour, and a worked example.

4 September 202618 min read
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Carpenter invoice template UK (2026): kitchens, joinery, CIS and VAT

UK carpenter and joiner invoice template for 2026: copy-paste fields, fitted-kitchen stages, labour versus timber, CIS 20/30, VAT tax point, and late-payment wording. Illustrative figures only.

4 September 202613 min read
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Electrician invoice template UK (2026): CIS, VAT, and a worked example

Free UK electrician invoice template for 2026. What to include, CIS 20/30, domestic reverse charge, and a labour-plus-materials worked example.

4 September 202613 min read
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Gas engineer invoice template UK (2026): boilers, heat pumps, CIS and VAT

UK gas engineer invoice template for 2026: boiler swap vs landlord CP12 vs heat-pump install, labour versus kit, CIS under CISR14090, VAT Notice 708/6 rates, tax point, and a copy-paste field list. Illustrative figures only.

4 September 202610 min read
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Handyman invoice template UK (2026): call-outs, VAT £90k & getting paid

Free handyman invoice template for odd jobs: labour, materials, call-out and VAT lines — simple, professional and MTD-ready. Send in 30 seconds.

4 September 20269 min read
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Plasterer invoice template UK (2026): board, skim, CIS and VAT

Plasterer invoice template UK for skim, board-and-skim and dry lining - CIS finishing ops, VAT, deposits, stages and examples.

4 September 202628 min read
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InvoicingGas EngineerBoiler

Boiler service invoice template UK (2026): CP12, service plans and VAT

A servicing-and-maintenance billing guide for UK gas engineers: annual boiler services, landlord gas safety records and CP12 paperwork, letting agent purchase orders and portfolio billing, service plans and recurring invoices, callouts, out-of-hours and abortive visits, the parts/labour split when a service becomes a repair, and where CIS, the domestic reverse charge and the right VAT rate actually apply. Five worked examples, all illustrative.

4 September 202631 min read
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Deposit Invoices for Tradespeople: How to Take One (UK)

How UK tradespeople take deposits safely: what to put on a deposit invoice, how much to ask for, and how to handle deposits for materials and bigger jobs.

4 September 20265 min read
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