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Trade Expense ChecklistUK Tax Year 2026/27Box 17 (Materials) & Box 18 (Subcontractors & tools)

Receipts for Electricians

Cable, consumer units, accessories, fuel, and test-gear receipts, filed as you buy them. Keep verifiable records your accountant can file directly into your Self Assessment return.

HMRC Allowable vs Disallowable Checklist for electricians

✓ Allowable Expenses to Keep✕ Disallowable Mistakes
  • Wholesaler receipts for cable, conduit, and consumer units (Box 17)
  • NICEIC / NAPIT scheme registration fees (Box 27)
  • Multimeters, multifunction testers, and calibration certificates (Box 18)
  • Van fuel, parking, and congestion charges when on site (Box 20)
  • Public liability and professional indemnity insurance (Box 22)
  • Non-protective ordinary clothing
  • Speeding fines or parking tickets
  • Domestic tool purchases
HMRC Rule: Expenses must be incurred wholly and exclusively for business purposes. When buying mixed items (e.g. at a trade merchant or fuel station), Receipts Dock files the receipt and keeps the original photo attached for your bookkeeper.

Tools to Keep Your electricians Accounts Tidy

🔍 SA103 Box Finder →Search any material or tool to see its exact HMRC box.🚗 55p Mileage Calculator →Calculate your 55p and 25p tax allowance per trip.

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Receipts for Electricians: Allowable Expenses & SA103 Checklist (2026/27) · Receipts Dock