Council approval for gazebos, pergolas and patios

One of the most common backyard questions in Australia is "Do I need council approval for a pergola?" The honest answer is: it depends. Each state and territory has its own planning and building laws, councils add local planning controls, and the answer for a small, open, freestanding pergola can be very different from that for a large roofed patio attached to the house, close to a boundary or on bushfire-prone land.

This guide explains the system in general terms. It is not legal or planning advice. Always check the current rules for your property with your council, your state planning portal or a building certifier.

Two kinds of approval

Building work in Australia can involve two separate approvals.

Planning approval looks at whether the structure is appropriate for the site and area: its size, height, setbacks from boundaries, impact on neighbours, heritage, trees, flooding and bushfire. Depending on the state, this might be a development application, a planning permit or development approval.

Building approval looks at whether the structure will be built safely and to the National Construction Code and relevant Australian Standards: structure, wind loads, footings, fire safety and drainage. It is often called a building permit or construction certificate, and it can be issued by a council or a private building certifier or surveyor, depending on the state.

Some projects need both, some need only one and some need neither.

Exempt development

Most states allow some minor structures to be built without planning or building approval if they meet every condition set for them. In NSW, this is called exempt development under the State Environmental Planning Policy (Exempt and Complying Development Codes) 2008, and the NSW Planning Portal lists the standards for pergolas, patios, decks and shade structures. Other states have similar exemptions in their building regulations and planning schemes.

Typical conditions include limits on:

• floor area;
• height above ground;
• distance from boundaries;
• whether the structure is attached to the house;
• whether it is roofed;
• location on the lot, such as behind the building line;
• the land, such as heritage, bushfire-prone or flood-prone land.

If your project doesn't meet every condition, it isn't exempt. Some states also have a fast-track option, such as complying development in NSW, where a certifier can approve a project that meets set standards.

What councils and certifiers look at

• Setbacks and boundaries. How close the structure is to side and rear boundaries and the street.
• Height and size. Overall height and floor area.
• Neighbours. Overshadowing, privacy and drainage onto neighbouring land.
• Structure and wind. Posts, beams, fixings and footings suited to the site's wind classification. The National Construction Code and standards such as AS 4055 (wind loads for housing) apply.
• Drainage. Where roof water goes. It must not cause nuisance to neighbours.
• Easements and services. Sewer lines, stormwater, easements and underground services.
• Bushfire. On bushfire-prone land, structures may need to meet AS 3959 for their bushfire attack level (BAL).
• Heritage and trees. Heritage controls and tree protection rules.
• Pools. Structures must not create climbable objects near pool fences or reduce barrier compliance under AS 1926.1.

Where to check by state

• NSW: NSW Planning Portal exempt and complying development tools, and your council.
• Victoria: Victorian Building Authority guidance on building permits, and your council for planning permits.
• Queensland: Queensland Government building approval information and your council or a private certifier.
• Western Australia: Building and Energy (Department of Energy, Mines, Industry Regulation and Safety) and your local government.
• South Australia: PlanSA.
• Tasmania: Consumer, Building and Occupational Services and your council.
• ACT: ACT Planning and your building certifier.
• Northern Territory: NT Building Advisory Services and the relevant planning authority.

Licensed builders and owner-builders

Many states require a licensed builder for work above a set value or for certain types of work, and some require home warranty insurance above a threshold. Owner-builder permits are available in some states for people building their own projects. All fixed electrical work, such as lights, power points and fans, must be done by a licensed electrician everywhere in Australia. Check with your state's building regulator.

Before you dig

Before digging footings, lodge a free enquiry with Before You Dig Australia (BYDA) to find underground cables and pipes. Hitting a gas, power or communications line can be dangerous and expensive.

Kits and certification

Many pergola and patio kits come with engineering documentation for different wind classifications. Check that the kit's rating matches your site and that the documents are suitable for any approval you need. A kit doesn't remove the need to meet planning rules.

Common mistakes

• Assuming a structure is exempt without checking every condition.
• Measuring setbacks from a fence instead of the true boundary.
• Ignoring bushfire or heritage overlays.
• Letting a builder start before approvals are in place.
• Losing approval documents needed when selling.

Talking to your council

Many councils have duty planners or building officers who can answer general questions by phone or at the counter, and some offer pre-lodgement meetings for larger projects. Take a site plan, photos and a sketch of what you want to build. It is much easier to adjust a design before you apply than after.

Neighbours

Even if your project doesn't need approval, talk to neighbours, especially if the structure is close to a boundary, will be visible from their property or could affect their light or drainage. Dividing fence and neighbour disputes are common and avoidable.

Selling a home with a structure

When you sell, buyers and their conveyancers may ask for approvals and certificates for structures on the property. Unapproved work can delay a sale or reduce buyer confidence. Keep copies of approvals, plans, engineering certificates and final inspection records with your property documents.

Temporary structures and events

Large temporary structures, such as marquees for weddings and festivals, can need approval in some states and councils, and venues often have their own rules about size, anchoring and certification. Hire companies can usually advise on what is needed for common venues.

Key points

Approval rules vary by state, council and site. Small, open, freestanding structures may be exempt if they meet every condition; larger, roofed or attached ones often need approval. Check early, plan for wind, drainage, bushfire and pools, and use licensed trades where required.