Carports on the Central Coast

Overview

A carport is the cheapest square metre of shelter you'll ever add to a property. It's also the structure most likely to have been built without approval, which becomes an expensive discovery when you sell.

We build custom carports in timber and steel, attached and freestanding, and we design them to sit inside the exempt development rules wherever the site allows. When they can't, we say so up front rather than building and hoping. They pair naturally with our pergolas, patios and covered outdoor areas and general carpentry work.

What we build

Attached carports — tied into the house, either under a continuation of the existing roofline or as a separate structure against the wall. Usually the neatest result and the cheapest, since the house carries one side.

Freestanding carports — standalone structures where the house orientation or driveway position doesn't suit an attached build.

Timber-framed carports — hardwood or treated pine posts and beams, generally with Colorbond roofing, built on the same timber framing principles as the rest of our structural work. On older Central Coast homes, a timber carport looks right in a way a steel kit doesn't.

Double and tandem carports — sized for two vehicles side by side or in line. Worth knowing the area limits before committing to a size.

Carports with storage — an enclosed storage bay at one end. Enclosing sides changes the approval picture, so it's worth planning properly.

Boat and caravan shelters — higher clearance structures, where height is usually what pushes the job past the exempt limits.

Repairs and replacement — post replacement, roof replacement, and rebuilding storm-damaged or rotted structures. See also repairs and maintenance.

Carport approval rules in NSW

Carports have their own set of exempt development standards, and they're different from the deck and pergola rules. Worth reading properly.

To be exempt development, a carport must meet all of the following:

• Maximum 20m² floor area, or 25m² on lots larger than 300m²
• Maximum 3 metres height above ground level, and not above the gutter line of a single-storey dwelling
• At least 900mm setback from side and rear boundaries
• Behind the front building line — on a corner block, both street frontages count
• At least two sides open, and at least one third of the perimeter open
• Roofwater draining to an existing approved stormwater system, not onto neighbouring land
• Low-reflective, factory pre-coloured metal components
• Not on environmentally sensitive land

Additional restrictions apply. Heritage items and conservation areas are generally excluded, unless the carport sits in the rear yard behind the dwelling and isn't visible from the street. On bushfire prone land, anything within 5 metres of the house must be non-combustible. Flood-affected land often disqualifies the exempt pathway altogether.

And regardless of the planning pathway, the structure must comply with the Building Code of Australia and the relevant Australian Standards for structural adequacy and wind loading.

The two rules that catch people

The open-sides rule. Two sides and one third of the perimeter have to stay open. The moment you enclose it for storage or privacy, you're likely building a garage rather than a carport, and garages have different, tighter standards.

The building line. A carport must sit behind the front building line of your house. This is the single most common reason a Central Coast carport can't be exempt, because the natural place for a carport is usually exactly where you're not allowed to put one.

If the site can't meet every standard, the job goes to a Complying Development Certificate through a private certifier — roughly a 10-day process — or a Development Application with Central Coast Council. Both are perfectly workable. The mistake is building first and finding out later. Our full guide to council approval for decks and pergolas on the Central Coast explains the pathways.

Why your neighbour's carport is out the front

It's a fair question and it comes up constantly.

Older homes across the Coast frequently have carports well forward of the building line. In most cases those were approved under earlier planning rules and remain lawfully existing, because the legislation doesn't apply retrospectively.

Which means you generally can't point to a neighbour's carport as a precedent for yours. The rules that apply to your build are the rules in force now.

Building for coastal conditions

Salt. Standard fixings and untreated posts corrode fast in exposed positions at Blue Bay, Wamberal, The Entrance and Avoca Beach. We use coastal-grade fixings and galvanised post stirrups so the timber sits clear of the ground.

Wind. A carport roof is a large flat surface on posts — effectively a wing. On exposed blocks, uplift is the governing load case rather than downward load, and that determines post size, bracing, tie-downs and footing depth. It's where cheap kit carports fail.

Ground conditions. Footings vary enormously across the region — rock on the Terrigal and Avoca slopes, sand and a high water table on the Woy Woy peninsula, flood-influenced ground near Tuggerah Lakes. All of it changes footing design and cost.

Drainage. Roofwater has to reach your stormwater system. On a low-lying block that needs designing rather than assuming.

Carports across the Central Coast

We build across Terrigal, The Entrance, Long Jetty, Gosford, Erina, Avoca Beach, Wamberal, Bateau Bay, Blue Bay, Killarney Vale, Kincumber, Woy Woy, Umina Beach, Ettalong Beach, Wyoming, Tuggerah, Narara and Lisarow.

Benefits

• Attached, freestanding, double and tandem carports
• Timber and steel framing with Colorbond roofing
• Designed around NSW exempt development limits
• Coastal-grade fixings and galvanised post stirrups
• Engineered for wind uplift on exposed blocks
• Post, roof and storm-damage repairs

Common questions

Do I need council approval for a carport in NSW?

Not always. A carport of 20m² or less — 25m² on lots over 300m² — no more than 3 metres high, set back 900mm from side and rear boundaries, behind the front building line, with at least two sides and one third of the perimeter open, can be exempt development.

How big can a carport be without approval?

20m², or 25m² if your lot is larger than 300m². A double carport typically needs around 32 to 36m², so most doubles need a CDC or DA.

Can I build a carport in front of my house?

Not as exempt development — it has to sit behind the front building line. Anything forward of that needs a CDC or a DA.

Why does my neighbour have one out the front then?

Most likely it was approved under older rules and is lawfully existing. Planning changes don't apply retrospectively, so it can stay, but it isn't a precedent for a new build.

Can I enclose the sides?

Not and stay exempt. At least two sides and one third of the perimeter must remain open. Enclose it and you're building a garage, which has different standards.

Can a carport be attached to the house?

Yes, and it's often the neatest and cheapest option. Height still can't exceed 3 metres or rise above the gutter line of a single-storey dwelling.

Timber or steel?

Timber generally suits older homes and looks better against weatherboard or brick. Steel is lower maintenance. On the coast, what matters most is the fixings and how the posts meet the ground.

Does a carport need an engineer?

On exposed sites, usually. Wind uplift is the governing load case on a carport roof, and it's what cheap kit structures underestimate.

Can you replace an existing carport?

Yes. Bear in mind that rebuilding may bring the structure under current rules rather than the ones it was originally approved under, so it's worth checking before you start.