Bookkeeping for Carpenters in Melbourne

Melbourne's construction industry shows no signs of slowing down. From new estates in Craigieburn and Wyndham Vale to renovation projects across the inner east, carpenters stay busy year-round. But between quoting jobs, managing timber supplies and coordinating with other tradies on site, your bookkeeping often falls to the bottom of the pile.

That stack of receipts in your ute's glovebox? The invoices you keep meaning to send? The BAS deadline creeping up? We see it every day with Melbourne carpenters. This guide covers exactly what you need to keep your finances sorted, your deductions maximised and your business compliant with Australian tax law.

Why Carpenters Need Specialist Bookkeeping

General bookkeeping advice misses the mark for carpenters. Your business has unique challenges that require specific knowledge:

• Job-based costing, you need to track materials, labour and time against specific projects to know which jobs actually make money
• High tool and equipment costs, understanding depreciation rules under Division 40 of the ITAA 1997 affects your cash flow planning
• Subcontractor management, TPAR obligations, contractor versus employee distinctions and payment tracking
• Vehicle expenses, most Melbourne carpenters drive significant distances between sites in Doncaster, Brighton, Geelong and everywhere in between
• Variable income, weather, project delays and seasonal slowdowns create unpredictable cash flow

A bookkeeper who understands carpentry knows that a $4,000 drop saw needs different treatment than $200 worth of consumables. They know that the timber you bought last month might sit as work-in-progress until you invoice the completed project.

Essential Records Every Melbourne Carpenter Must Keep

Under section 262A of the ITAA 1936, you must keep records for five years after the relevant transaction. The ATO takes a dim view of "I threw it away" or "my accountant never asked for it."

Here's what you need to track:

• Income records, invoices issued, payments received, quotes that convert to jobs
• Expense receipts, materials from Bunnings, Bowens or Dahlsens, tool purchases, vehicle costs, insurance premiums
• Bank statements, all accounts used for business purposes
• Vehicle logbook, if claiming more than 5,000km or using the logbook method
• Contractor records, ABNs, invoices received, payments made (required for TPAR)
• Employee records, if you have apprentices or labourers, keep payroll records, super contributions and leave balances
• Asset register, list of tools and equipment with purchase dates, costs and depreciation schedules

Melbourne carpenters working across multiple suburbs often lose receipts between the site in Moorabbin and the supplier in Dandenong. Cloud-based tools like Xero combined with receipt-scanning apps solve this problem permanently.

GST and BAS for Melbourne Carpenters

Once your annual turnover exceeds $75,000, GST registration becomes mandatory under the GST Act 1999. Most carpenters hit this threshold quickly, a few solid renovation projects or commercial fit-outs will get you there.

Key GST rules for carpenters:

• Charge 10% GST on all taxable sales (labour and materials)
• Claim GST credits on business purchases (tools, materials, vehicle running costs)
• Lodge BAS either monthly or quarterly depending on your turnover
• Pay the difference between GST collected and GST credits claimed

For quarterly BAS lodgement, the due dates are 28 October, 28 February, 28 April and 28 July. Miss these dates and penalties apply under the Tax Administration Act 1953.

Many Melbourne carpenters run cash-positive one month and struggle the next. Proper bookkeeping tracks your GST liability in real-time so you're never caught short when the BAS falls due.

Tool and Equipment Deductions Under ITAA 1997

Your tools generate income, and the tax system recognises this. Under Division 40 of the Income Tax Assessment Act 1997, you can claim deductions for tools used in your carpentry business.

Immediate write-off rules (current for 2025-26):

• Items costing $300 or less, claim the full amount in the year of purchase
• Small business instant asset write-off, check the current threshold with your accountant (this changes frequently)
• Items above the threshold, depreciate over the effective life set by the ATO

Common depreciation rates for carpentry tools:

• Power tools (circular saws, routers, nail guns), 5 years (20% per year)
• Compressors, 10 years (10% per year)
• Hand tools, 5 years (20% per year)
• Scaffolding, 10 years (10% per year)
• Measuring and levelling equipment, 5 years (20% per year)

Keeping an accurate asset register in Xero means you never miss a depreciation claim. Over a five-year period, a well-stocked tool trailer worth $25,000 generates significant deductions that directly reduce your tax bill.

Managing Subcontractors and TPAR Obligations

If you hire other tradies, labourers, plasterers, painters or other carpenters, to help on your jobs, you've got reporting obligations under the Taxable Payments Reporting System.

Your TPAR obligations:

• Lodge a Taxable Payments Annual Report by 28 August each year
• Report all payments to contractors for building and construction services
• Include contractor ABNs, total payments and GST amounts
• Report even if the contractor invoiced with "no GST" (they may not be registered)

Proper bookkeeping throughout the year makes TPAR lodgement straightforward. If you're scrambling through bank statements in August trying to identify contractor payments, you've left it too late.

Contractor versus employee: The ATO scrutinises this distinction heavily in the building industry. If someone works regular hours, uses your tools and you control how they do the work, they're likely an employee, regardless of what their invoice says. Employees trigger PAYG withholding, super obligations under the SG Act 1992, and Fair Work Act entitlements including minimum wages, leave and penalty rates.

Vehicle Expenses for Melbourne Carpenters

Your ute or van is essential to your business. Most Melbourne carpenters clock up serious kilometres driving between suppliers in Thomastown, job sites in Frankston and clients across the CBD.

Two methods for claiming vehicle expenses:

Cents per kilometre method:

• 85 cents per kilometre (2025-26 rate)
• Maximum 5,000 business kilometres per year
• No logbook required
• Maximum deduction: $4,250 per year

Logbook method:

• Keep a logbook for 12 continuous weeks
• Calculate your business-use percentage
• Claim that percentage of all running costs (fuel, rego, insurance, servicing, depreciation)
• Logbook valid for five years unless circumstances change significantly

For most full-time carpenters, the logbook method produces a substantially larger deduction. If you're driving 30,000km per year with 80% business use, you're looking at deductions well above $10,000 annually.

What you can't claim: Travel from home to your first job site, or from your last job site to home. These are private trips under ATO rules. Travel between job sites during the day is fully deductible.

Job Costing: Know Which Projects Actually Make Money

Many Melbourne carpenters quote jobs, complete the work and collect payment without ever knowing their true profit margin. That renovation in South Yarra felt busy, but did it actually make money after materials, subbie costs and your time?

Job costing tracks every cost against specific projects:

• Materials, timber, hardware, fixings, consumables
• Labour, your hours and any employees or subbies
• Vehicle costs, trips to suppliers and the job site
• Equipment, hire costs for specialty gear
• Overhead allocation, insurance, phone, tool maintenance

With proper job costing set up in Xero, you can see which types of work deliver the best margins. Maybe your decking jobs in Eltham consistently run 35% profit while kitchen fit-outs in the CBD barely break even. That information changes how you quote and which jobs you chase.

What to Do Next

Getting your bookkeeping sorted doesn't require a complete overhaul. Start with these practical steps:

• This week: Download a receipt-scanning app and start capturing every purchase
• This month: Set up separate bank accounts for business and personal use if you haven't already
• This quarter: Review your current system, are you actually tracking job costs, or just hoping each project makes money?
• This year: Consider whether professional bookkeeping support would free up time you could spend on billable work

Melbourne carpenters who get their bookkeeping right spend less time stressing about tax obligations and more time doing what they do best, building quality work across Victoria. The numbers tell the story of your business. Make sure you can read it.