Input-Taxed Sales Basics

Ask a residential landlord about GST and the answer is usually confident: "there's no GST on the rent, so it doesn't affect me." Half right. There is no GST on the rent — but the reason why also decides what happens to the GST on the agent's fees, the repairs and the advertising, and that second half is where the coding errors live. Residential rent is not GST-free. It is input-taxed, and the difference is worth real money.

What input-taxed actually means

An input-taxed sale carries no GST in the price — and, in exchange, you cannot claim GST credits on the purchases that relate to making it. The GST on your inputs stays with you, baked into the cost. The two big categories for small business are residential rent (and sales of existing residential premises) and financial supplies — lending money, earning interest and similar dealings. For most small operators, residential property is where this rule actually bites.

The key difference from GST-free

GST-free and input-taxed sales look identical on the customer's side: no GST either way. The difference sits entirely in your BAS. GST-free sales preserve your right to claim credits on related purchases; input-taxed sales remove it. A GST-free business gets the GST back on its costs, while a residential landlord simply pays the GST-inclusive price and carries it as part of the expense. One code apart, opposite outcomes.

Where residential landlords get it wrong

The most common error we see is a GST-registered business — a company or trust that also owns a residential rental — claiming GST credits on the property's costs because everything in the file gets the same default treatment. Agent management fees, repairs and maintenance, advertising for tenants: all carry GST on the supplier's invoice, and none of it is claimable when the property is residential. The rent side gets miscoded too, usually as GST-free, which misstates the BAS even when no dollars move.

Commercial property is the opposite case — rent on a shop or office is generally a taxable supply when the landlord is GST-registered, with credits available on the costs. A landlord holding one of each needs the two properties coded on entirely different rules inside the same file.

What we commonly see go wrong

• GST credits claimed on repairs, agent fees and advertising for a residential rental held inside a GST-registered entity.
• Residential rent coded GST-free instead of input-taxed, so the BAS tells the wrong story quarter after quarter.
• A commercial and a residential property in the same entity, both coded the same way.
• Interest income coded as taxable or GST-free rather than input-taxed.
• Years of small quarterly over-claims accumulating into one uncomfortable review.

A worked example

As an illustration: an electrician runs his trade through a GST-registered company, and the company also owns a residential unit. His bookkeeper codes every expense the same way, so each quarter the BAS claims GST credits on the unit's agent fees, repairs and insurance alongside the genuine business costs. No single quarter looks alarming — but the claims repeat, quarter after quarter, and when the pattern surfaces in a review the credits have to be repaid across the amendment period, with the conversation extending to every other line in the file. Splitting the property's costs onto the correct input-taxed treatment from day one would have cost nothing but attention.

When to get help

If a GST-registered entity in your group owns residential property, if your file shows GST credits against rental expenses, or if you are not sure whether your rent has been coded input-taxed or GST-free, it is worth a one-off review of the coding before the next BAS. The fix is quick when it is made deliberately — and slow, expensive and backdated when a review makes it for you.

Can I claim GST credits on expenses for my residential rental?

Generally no. Residential rent is input-taxed, so GST on related costs such as agent fees, repairs and advertising is not claimable — even if the owner is GST-registered for another business. The GST-inclusive cost is generally still deductible for income tax purposes, which softens the difference but does not remove it.

Is commercial rent also input-taxed?

Generally no. Rent on commercial premises such as shops and offices is normally a taxable supply when the landlord is GST-registered, with GST charged on the rent and credits available on related costs. That is why an entity holding both types needs the two properties coded differently.

Do input-taxed sales count toward the GST registration threshold?

Input-taxed supplies are generally excluded from GST turnover, so residential rent usually does not push you toward the registration threshold on its own. The rules have detail around the edges, so confirm your own position before relying on this.