Do You Need Approval to Demolish a House in NSW? A Tweed Guide

The short answer

In NSW, you almost always need some form of approval to demolish a house. The question is which kind. For a lot of homes on the Tweed and across the Northern Rivers, demolition goes through complying development — a fast-track approval issued by a private certifier or council. Where a property can't use that path, it needs a development application (DA) to council instead. Only a narrow band of minor demolition is exempt from approval altogether.

Working out which path your property sits on early is what keeps a demolition on time. This guide explains the three paths, the local factors that push a property from one to another, and the other obligations that apply whichever path you're on. It's general guidance — for your address, check with Tweed Shire Council (or your local council) or an accredited certifier.

The three approval paths

Exempt development

The State's codes allow some minor building work to happen without any approval, provided strict standards are met. Demolishing certain small structures can fall into this category. A whole house does not — so if you're planning to take down a home, assume you'll need one of the two paths below.

Complying development (a CDC)

The State's Exempt and Complying Development Codes include a demolition code, and many whole-house demolitions are approved through it. You apply for a complying development certificate (CDC) from a private certifier or council. If the property and the proposal meet the code's standards, the certificate is issued — there's no merit assessment in the way a DA has one, which is why it's usually the quicker route.

Complying development still comes with conditions: requirements around notifying neighbours before work starts, site protection, and how the work is carried out. Your certifier will set out what applies to your job.

Development application (a DA)

If a property is excluded from the codes, or the proposal doesn't meet them, demolition needs a DA lodged with council — Tweed Shire Council for Tweed Heads, the Tweed Coast and Murwillumbah. A DA is assessed on its merits and can take longer, so knowing you're on this path early matters for your builder's schedule.

What pushes a Tweed property toward a DA

The Northern Rivers has more of the triggers than many parts of the State. The common ones:

• Heritage. If the house is a heritage item, or sits in a heritage conservation area, it generally can't be demolished as complying development. Older towns like Murwillumbah have heritage considerations in parts.
• Flood-prone land. Much of the Tweed is low-lying and flood-affected, as are parts of Ballina, Lismore, Yamba and Grafton. Flood controls are one of the most common reasons a demolition here needs a DA — and they carry through to the rebuild's levels.
• Coastal and bushfire considerations. Coastal land and bushfire-prone land on the hinterland fringes can bring their own controls that limit what can be done as complying development.
• Other exclusions. Environmentally sensitive land and some other categories can also exclude a property from the codes.

The simplest first step is to get a planning certificate for the property from council. It shows the zoning and notations — heritage, flood, bushfire and so on — that tell a certifier which path is open. We flag likely issues when we look at a site, but the certifier and council make the call.

Obligations that apply on every path

Licensed demolition and asbestos

Whichever approval you have, the work is carried out by a licensed demolisher. Any home built before around 1990 may contain asbestos — in fibro wall and eave sheeting, cement roofing, vinyl floor tiles and their backing — and it must be identified and removed by a SafeWork NSW–licensed asbestos removalist before the structure comes down, then disposed of at a licensed facility. Your approval will usually expect this to be addressed, and it's not something that can be skipped on any path. Our Asbestos-Aware Demolition service explains how it's handled.

Before You Dig and service disconnection

Before demolition, power, gas, water, sewer and telecommunications must be disconnected and made safe by the relevant providers. For any excavation — breaking out footings, removing a slab or a pool — underground services are located first through Before You Dig Australia, so nobody hits a live cable or pipe. Disconnections have their own lead times, so request them as soon as a demolition date is roughly known.

Putting it in order

For a typical Tweed house, the sequence looks like this:

1. Get a site assessment and quote, and a planning certificate for the property.
2. Confirm the approval path with a certifier — CDC if the codes allow, DA to council if not.
3. Arrange an asbestos assessment, and licensed removal where needed.
4. Request service disconnections and do the Before You Dig check.
5. Once the approval is in hand and conditions are met, demolition goes ahead and the block is cleared.

If cost is the next question, our guide "How Much Does House Demolition Cost?" covers the price drivers separately, so we won't repeat them here.

Where we fit in

We're not the approval authority — the certifier and council are — but we deal with NSW demolition approvals constantly. We work in with your certifier on a CDC or with council on a DA, flag heritage, flood and coastal issues early, coordinate the disconnections, and handle asbestos through a licensed removalist, as part of our House Demolition service. Send us the address and we'll give you a read on the likely approval path alongside a free site quote — anywhere from Tweed Heads and the Tweed Coast through to Byron Bay, Ballina and the Clarence Valley.