Making Tax Digital changes how self-employed plumbers report income to HMRC. Instead of one annual Self Assessment return, you now keep digital records and submit quarterly updates.
Making Tax Digital changes how self-employed plumbers report income to HMRC. Instead of one annual Self Assessment return, you now keep digital records and submit quarterly updates. For plumbers working across multiple jobs each week — emergency callouts, bathroom installations, boiler services — tracking every invoice and receipt is critical. Most plumbing businesses deal with a mix of materials costs, van expenses, fuel, and tool purchases that need proper HMRC categorisation.
Plumbers spend their days under sinks and in crawl spaces, not at desks. Receipts get wet, lost in the van, or forgotten. Traditional accounting software is built for offices, not for someone whose hands are covered in PTFE tape.
Self-employed plumbers in Contractor Kirkella (Scotland) earn an estimated £36,100 per year on average — above the April 2027 threshold of £30,000. Tradespeople in Contractor Kirkella often also cover Ardwick, Balsall Heath, Bromyard and surrounding areas.
Scottish tradespeople earn slightly below the UK average, with Edinburgh and Aberdeen commanding premium rates. Glasgow has strong demand.
Scottish tradespeople should note that Scottish income tax rates differ from rUK. Expense deductions remain the same under MTD.
MTD for Income Tax applies across Scotland using the same thresholds. Scottish income tax rates are applied separately. Common deductible expenses for plumbers include: van costs, pipe fittings, copper, solder, tools, PPE, insurance, fuel.
Your next quarterly deadline and how long you have to prepare.
Track every job from quote to payment. Kanban board. Drag and drop.
Create and send invoices in seconds. Looks professional. Gets you paid.
Snap receipt photos. Auto-categorise to HMRC categories. Never miss a deduction.
See your Q1–Q4 breakdown with HMRC SA103 categories. Deadline countdowns built in.
All your customers in one place. Call, WhatsApp, track job history.
Built for tradespeople, not accountants. Works from your van in 10 seconds.
| Feature | Graft | Xero | QuickBooks | FreeAgent |
|---|---|---|---|---|
| Monthly cost | Free / £3 Pro | From £15 | From £10 | £19* |
| Built for trades | ✓ | ✗ | ✗ | ✗ |
| Job management | ✓ | ✗ | ✗ | ✗ |
| HMRC categories | ✓ | ✓ | ✓ | ✓ |
| Quarterly view | ✓ | ✓ | ✓ | ✓ |
| Receipt scanner | ✓ (AI) | ✓ | ✓ | ✓ |
| Mobile-first | ✓ | Partial | Partial | Partial |
| Customer CRM | ✓ | ✗ | ✗ | ✗ |
*FreeAgent is free with NatWest/RBS/Mettle business accounts. Otherwise £19/month.
copper pipe and fittings, solder, flux, PTFE tape, silicone, bathroom fixtures, boiler parts, van fuel, van maintenance, tool replacement, PPE, public liability insurance, trade body membership (CIPHE), Gas Safe registration if applicable
Graft auto-maps all of these to the correct HMRC SA103 categories: Cost of goods, Car/van/travel, Phone/office, Rent/rates/insurance, Advertising, and Other expenses.
If your gross income from plumbing (before expenses) exceeds £50,000 from April 2026, or £30,000 from April 2027, yes. HMRC looks at qualifying income, not profit. A plumber turning over £55,000 with £20,000 in materials costs still needs MTD compliance because the £55,000 turnover triggers the threshold.
Cost of goods (pipe, fittings, solder, bathroom fixtures), car/van/travel (fuel, MOT, insurance, road tax), phone and office costs (mobile phone, apps), and other expenses (PPE, trade body fees, training). Graft auto-maps your expenses to the correct SA103 categories.
Yes. You can claim fuel, insurance, road tax, MOT, servicing, and repairs. You can also claim finance payments if the van is on HP. Graft categorises these under "Car, van & travel expenses" for HMRC.
HMRC uses a points-based system. Each late submission adds a point. At 4 points you get a £200 penalty, plus £200 for each subsequent late filing. However, the first year (2026/27) has a soft landing — no penalty points for late quarterly updates.
The core CRM — jobs, invoices, expenses, quotes, customers — is completely free. The MTD quarterly view with HMRC categories is free. MTD Pro at £3/month adds CSV exports, deadline reminders, and unlimited AI features. That is 5x cheaper than Xero or QuickBooks.
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