A steel boundary fence can do well near the sea. How well depends on three things you can check before you buy: how exposed your block is, which way the wind brings the salt in, and whether the salt gets rinsed off. The rain cleans the open face of a fence. The parts it misses, behind a hedge or along a garden bed, need a hose.
The neighbour side matters too. In NSW the cost of a "sufficient" fence is normally split equally with the property next door, and paperwork done properly saves a lot of grief. Here is how the salt and the rules work, in that order.
Does a steel boundary fence suit a block near the sea?
Absolute performance is subject to local conditions.
Steel has real advantages on a boundary. BlueScope says a COLORBOND steel fence "won't rot, it won't be eaten by termites and resists the progress of fire", and that there is "no need to be spending your time painting, oiling or replacing palings". On the same page it cites CSIRO research in which "pre-painted and metallic coated sheet steel ... performed best" across the bushfire exposure conditions tested. That research is about fire, not salt. Keep in mind that this is the manufacturer describing its own product.
The same manufacturer is just as clear about the limits. Its FAQ says "Absolute performance is subject to local conditions", naming prevailing winds and unwashed areas. On a coastal block those two factors carry most of the weight. If you are still deciding between materials, our note on Colorbond vs timber near the water covers that comparison.
Why salt air is hardest on the parts the rain misses
Illustration. Where salt settles and where rain rinses it off.
Onshore wind carries fine salt off the surf and drops it on whatever it meets. Rain washes it off the faces it can reach. Salt left sitting on painted steel is the problem. That is why BlueScope tells owners to hose areas the rain doesn't wash "at least every six months and more frequently in coastal areas".
BlueScope's examples are house parts: wall cladding under eaves, garage doors and the undersides of eave gutters. A fence has the same kind of hidden spots, and this is our reading of how the advice applies to one. The usual culprits are:
- a panel behind a dense hedge or climber
- the bottom rail behind a raised garden bed
- a stretch running under a roof overhang or carport
- the side facing away from the weather on a sheltered boundary
Illustration. The parts of a fence the rain misses.
Walk your fence line after a decent shower. Any panel that is still dry when the rest is wet is a panel you will be hosing yourself.
How close to the surf is too close for a steel fence?
There is no single fence distance to quote. BlueScope's FAQ gives distance-from-surf guidance for roofing and wall cladding, and that guidance does not cover fencing. For marine definitions it points to its Technical Bulletin TB-35, which sets out what counts as surf, exposed and calm marine conditions. It also says severe or heavy industrial conditions need advice from BlueScope's Steel Direct team.
Warranty follows the same logic. BlueScope says warranty periods depend on "the end use and the location of the project". The practical step is to ask for the product and its warranty terms to be checked against your actual address before anything is ordered. Your street, your distance to the break and your wind direction are what count, not the suburb name.
How do you look after a steel fence near the coast?
| Do | Don't |
|---|---|
|
|
Source: BlueScope, COLORBOND steel FAQ.
The routine is simple. BlueScope recommends a mild soap or non-abrasive detergent solution, a soft sponge, cloth or nylon brush, and a thorough fresh-water rinse. No abrasive scourers and no steel wool. Those scratch the paint, which is the layer doing the protecting.
Then there is the paperwork. BlueScope lets you apply for a warranty through its Warranty Management System for up to 12 months from the date of installation. Put a reminder in your phone the day the fence goes in. Twelve months passes fast once the fence stops being new.
The first year of a new steel fence.
Source: BlueScope, COLORBOND steel FAQ.
Why shouldn't you paint one side of the fence?
Neighbours sometimes want different colours on each side. BlueScope says the only way to get that is to paint it. Painting "will result in a surface which is not as durable" and "will void any warranty on the infill sheets, posts and rails". On a coastal block, where the factory finish is doing hard work, that is a poor trade. Agree on one colour before the order goes in.
Who pays for a steel boundary fence in NSW?
| Situation | Usual position |
|---|---|
| Sufficient dividing fence | Shared equally |
| Above the sufficient standard | The owner who wants it pays the extra |
| Council or public authority next door | Does not have to contribute |
| Section that is also a pool fence | Pool owner usually pays |
Source: State Library of NSW, Dividing fences, and Legal Aid NSW, Your rights and obligations.
Under the Dividing Fences Act 1991, the cost of a sufficient dividing fence is normally shared equally between the adjoining owners. An owner who wants something above that standard pays the extra.
What counts as "sufficient" is not a fence type. Legal Aid NSW says the law "does not say what type of fence you should build". It depends on the existing fence, how the land is used, privacy, the fences common in the area, council requirements and whether the fence encloses a pool.
Four points catch people out:
- Agree in writing. Neighbours can agree on any fence, even one above the sufficient standard, as long as council rules, covenants and easements are met. Legal Aid NSW says the agreement should be written and signed. Agreements and orders do not bind later owners if a property is sold, so build soon after you agree.
- Check the limits first. Fence type and style may be limited by council policies, heritage protection or restrictive covenants, and some fences need council approval. Our notes on what councils around Newcastle want to see and boundary fence height go further.
- Councils as neighbours. Public authorities, such as councils, do not have to contribute to fencing costs.
- Pool sections. Where a dividing fence is also part of a pool fence, the pool owner usually pays for that section. The barrier itself has its own rules, covered in pool fence rules in NSW and our pool fence checklist.
Courts can be flexible about where the fence goes. In one 2004 NSW case, a magistrate ordered a Colorbond fence partly on the boundary and partly 30 cm onto the land of the owner who had applied for it, and the neighbour who had objected was ordered to pay the whole cost.
For the full cost-sharing picture, see who pays for a shared boundary fence. This is general information, not legal advice. Check current NSW guidance and your council before you commit.
What happens if your neighbour won't agree?
The formal path when neighbours can't agree.
Source: Legal Aid NSW, What if we can't agree, and State Library of NSW, Dividing fences.
Start with a conversation. Mediation is an option before or after the notice. If talking doesn't settle it, the formal path is a Fencing Notice. There is no standard form, but it must specify the boundary line, the type of fencing work, the estimated cost and the proposed share if the split is not equal.
Then you wait. If there is still no agreement "after a month has passed", either neighbour can apply to the Local Court or NCAT for Fencing Orders.
Whichever way it goes, lodge a free Before You Dig Australia enquiry before any post hole is dug.
Steel boundary fencing in Newcastle: what to ask before you buy
Steel boundary fencing in coastal NSW, including Newcastle, comes down to matching the product to the spot. Before you order, check:
If you can answer all of them, you are ready to order. If you can't, you know exactly what to ask.
Getting a fence matched to your address
At Saltwater & Steel, the question we start with is the one the manufacturer starts with: where exactly is the fence, and what does the weather do there? Send us your address, the boundary you want fenced and anything you have already agreed with your neighbour through our enquiry page, and we'll talk it through with you from there.
Sources
- BlueScope, COLORBOND steel FAQ: https://colorbond.com/faq
- BlueScope, COLORBOND steel fencing: https://colorbond.com/products/fencing
- State Library of NSW, Dividing fences: https://www.sl.nsw.gov.au/find-legal-answers/books-online/neighbours-and-law/dividing-fences
- Legal Aid NSW, Your rights and obligations: https://www.legalaid.nsw.gov.au/my-problem-is-about/my-neighbour/fences/your-rights-and-obligations
- Legal Aid NSW, What if we can't agree: https://www.legalaid.nsw.gov.au/my-problem-is-about/my-neighbour/fences/what-if-we-cant-agree