Rental property tax records every owner should keep together

The annual backbone: agent statement and loan interest

Start with the annual statement from your property manager, which summarises rent received and the fees and costs deducted along the way, and the loan interest statement from your lender. Together these cover the largest income and expense figures for most rentals.

One important nuance on interest: it is deductible only to the extent the borrowed money was used for the rental property. If you have redrawn against the loan for private purposes — a car or a holiday — that portion of the interest is not deductible, even though it is the same loan. Keeping the loan clean, or at least clearly documenting any private redraws, avoids a messy apportionment later.

Repairs, improvements, and capital works are not the same

This is where owners most often get the treatment wrong, and the distinction genuinely changes your deductions.

• A repair restores something to its original condition — fixing a leaking tap or replacing broken tiles — and is generally deductible in the year you pay for it.
• An improvement makes the property better than it was — a new, higher-quality kitchen rather than a like-for-like fix — and is capital, claimed over time rather than immediately.
• Initial repairs to fix defects that existed when you bought the property are treated as capital, not an immediate deduction, even if you carry them out soon after settlement.
• Eligible construction costs may be claimed as capital works over many years, and depreciating assets have their own rules — including limits on claiming second-hand items in established residential rentals acquired since mid-2017.

Good to know — Keep every invoice with enough detail to tell which category it falls into. "Bathroom — $6,000" is not enough; the scope of work is what determines the treatment.

Do not overlook the smaller ongoing deductions

Because they arrive from many different providers, ongoing costs are easy to miss. Keep records for council rates, water charges, strata or body corporate fees, landlord insurance, land tax, property management fees, advertising for tenants, pest control, and gardening. Individually small, together they add up to a meaningful part of the return.

Co-ownership follows legal ownership

If a property is owned with a partner or others, income and deductions must be split according to the legal ownership shares shown on the title — not however you might prefer to divide them. Getting this right on the first return, and keeping it consistent, avoids questions later.

Keep capital gains records from purchase to sale

The capital gain on a rental property is worked out from its cost base, which includes far more than the purchase price — stamp duty, legal and conveyancing fees, and the cost of capital improvements all count, and selling costs such as agent commission and advertising reduce the gain. These records span the entire ownership period, sometimes decades.

The practical lesson is to keep the purchase contract, settlement statement, and every capital improvement invoice from day one, in one place, rather than reconstructing them under pressure at sale time. Records generally need to be kept for five years after the property is sold and the gain is reported.