NSW Building Bond Increases to 3% in July 2026: What New Apartment Buyers Need to Know

From 1 July 2026, developers of new apartment buildings in NSW must lodge a larger building bond before their occupation certificate is issued. The rate increases from 2 per cent to 3 per cent of the total construction contract price. For buyers purchasing off-the-plan apartments in buildings completing after that date, this is worth understanding before you sign.

What the Building Bond Scheme Is

The Strata Building Bond and Inspections Scheme (SBBIS) applies to new residential apartment buildings of four or more storeys in NSW. These buildings are not eligible for the traditional home building compensation (warranty) insurance that covers smaller residential construction, so the SBBIS was created to fill that gap.

Under the scheme, the developer must lodge a bond with the NSW Government before the occupation certificate is issued. The bond is calculated as a percentage of the total contract price, assessed at the time just before the occupation certificate is issued rather than at the time contracts are originally signed. That means the final bond amount accounts for variations and price changes during construction, not just the original estimate.

How the Inspection Process Works

The bond is tied to a mandatory two-year defect inspection programme. Once the building work is finished:

- Within 12 months, the developer must appoint an independent building inspector - Between 15 and 18 months after completion, the inspector carries out an interim inspection and identifies defective building work - The developer is required to rectify the defects identified in the interim report - Between 21 and 24 months after completion, the inspector returns to verify whether that work has been completed

The owners corporation works alongside the inspector throughout this process. If the developer fails to rectify the identified defects, the bond can be used to fund rectification. The bond is held for two to three years in total. If the defects are rectified and the final costs come in below the bond amount, the balance is returned to the developer.

The July 2026 Increase

The bond has been set at 2 per cent since the scheme commenced. An increase to 3 per cent was originally scheduled for 1 July 2025 but was deferred by 12 months following lobbying from the housing industry. An amendment to the Strata Schemes Management Regulation 2016 confirmed the revised date of 1 July 2026.

The increase has been deferred once. It has not been deferred again. The 1 July 2026 date is the current confirmed commencement.

To illustrate the scale: at 3 per cent, the bond on a $50 million apartment building would be $1.5 million, compared to $1 million at 2 per cent. On larger developments the difference is material. The intent of the increase is to provide a larger buffer available for rectification where identified defects are more extensive.

What This Means for Off-the-Plan Buyers

For buyers, the bond is not a cost you pay directly. It is a developer obligation. What it represents, in practical terms, is a higher guaranteed fund available for defect rectification during the two years after the building is handed over.

Off-the-plan contracts are signed months or years before completion. The bond amount is assessed at the point of occupation certificate, not at contract exchange. If a building completing in late 2026 or 2027 falls under the 3 per cent rate, the bond will reflect the final construction contract price, including any cost increases that occurred during the build.

A few things worth confirming before you exchange contracts on an off-the-plan purchase:

Whether the building falls under the SBBIS. It applies to new strata buildings of four or more storeys that do not have home building compensation insurance, which covers most mid-rise and high-rise apartment buildings in NSW. Your solicitor or conveyancer can confirm.

What the expected occupation certificate date is. For buildings expected to complete after 1 July 2026, the 3 per cent rate applies. For buildings where the occupation certificate was or will be issued before that date, the current 2 per cent rate applies.

Whether the developer has lodged the bond. The bond must be lodged before the occupation certificate application is made. It is administered through the NSW Government's online system and is verifiable.

What the Bond Does Not Cover

The building bond is not a comprehensive defect warranty. It covers the cost of rectifying defective work identified during the two formal inspections in the first two years after completion. Defects that emerge outside that window are addressed through different mechanisms, including the statutory warranties under the Home Building Act 1989 (NSW), which provide separate protection for major defects for up to six years from completion.

The bond is also tied to the common property and the building as a whole. Defects within individual lots that fall outside the scope of the inspections are handled separately.

Buyers in buildings covered by the SBBIS are in a meaningfully stronger position than they would be without it. But it is one layer in a broader framework, not a guarantee that the building will be defect-free over its lifetime.

What Buyers Can Check in a Strata Report

For buyers looking at completed buildings, not off-the-plan purchases, Clarity by BRXiQ highlights building condition, defect history, and outstanding maintenance items from the strata report. For newer buildings, the inspection report under SBBIS is a separate document; your solicitor or conveyancer should obtain it alongside the strata inspection report and the Section 184 Strata Information Certificate.

For off-the-plan purchases, the strata report does not yet exist. The key document is the disclosure statement provided under the Conveyancing Act 1919 (NSW), along with the contract of sale and any information the developer provides about the building inspector appointment and bond lodgement.

Other states have introduced similar schemes. Victoria legislated an equivalent developer bond scheme through the Building Legislation Amendment (Buyer Protections) Act 2025 (Vic), which received Royal Assent on 3 June 2025. Victoria's scheme commences by proclamation or by 1 July 2026 at the latest, with an initial bond rate of 2 per cent and a threshold of buildings more than three storeys. Queensland, Western Australia, and South Australia have existing home warranty insurance frameworks with different coverage terms. The NSW SBBIS described in this post applies only to NSW.

This is informational only. Not financial, legal, or compliance advice. The scheme described applies to NSW strata buildings under the Strata Schemes Management Act 2015 and the Strata Schemes Management Regulation 2016. Specific obligations depend on the building, the contract, and the occupation certificate date. Consult your solicitor or conveyancer for advice specific to your purchase.