Free Commercial Tools for Trade Subcontractors
Interactive calculators built by a working subcontractor director. Use them to size your commercial risk before a builder hands you a back-charge or rejects a variation. No sign-up required.
Free tools
Payment Claim Date Calculator
Security of Payment dates for NSW, VIC, QLD and WA: payment schedule deadline, payment due date, adjudication windows — in each Act’s business days.Back Charge Risk Calculator
Estimate your annual back-charge exposure in 60 seconds. Inputs include project value, scope documentation, and back-charges received.Variation Cost Estimator
See how much margin is leaking through unapproved variations. Adjust contract value, approval rate, and labour rate to size the risk.
Templates
Free downloadable site paperwork templates — print them or fill them in Excel. No sign-up required.
Day Labour Docket Template
Record crew, hours and materials for out-of-scope work, signed by the builder on the day. PDF + Excel download.Toolbox Talk Template + Register
Run the talk, record the key points and hazards, and get every attendee to sign the register.Site Diary Template
Daily record of crew, conditions, delays, instructions and photos. The record made on the day is the one that holds.Variation Notice Template
Notify variations in writing before the work: instruction, scope change, price basis, cost and time impact.
TradeControl provides commercial support tools only. It does not provide legal advice.