By Lachlan Ryan, Director – LRC Custom Builders

The same coast that makes this region worth building on is the coast that will find every weak point in a badly designed home.

Salt air. Sou’westerly winds strong enough to lean into. Bushland close enough to matter. None of that shows up on a floor plan. All of it shows up ten years later, in the fixings that have rusted through, the deck that’s copped every gale off the water, or the render that’s cracked because no one thought about where the wind actually hits.

Building well on the Surf Coast means designing for the coast you’ve actually got, not the one on a display home brochure.

Coastal wind and corrosion

Anything within a few kilometres of the water is in a corrosion zone, whether it feels like it or not. That changes what you can use, and how it needs to be fixed together.

Stainless steel fixings instead of standard. Marine-grade or coastal-rated claddings. Timber chosen not just for how it looks on day one, but for how it weathers over thirty years of salt and wind, that’s the same instinct Lachlan brings to every piece of timber on every build, coastal or not. Get this wrong and you’re not looking at a maintenance issue. You’re looking at a replacement bill in a decade.

Standard fixings are cheaper than marine-grade ones, and the difference doesn’t show up on the quote, it shows up years later, as rust bleeding through the render. Some builders make that trade-off quietly to protect their margin. Ask what’s actually being used, and why.

Wind load matters structurally too, especially for exposed sites, elevated decks, and larger glazing. A design that looks right on paper needs to be engineered for what the wind actually does on that specific block, not a generic assumption.

Bushfire Attack Level (BAL) and what it actually means for design

Plenty of Surf Coast blocks, Barwon Heads, Anglesea, Aireys Inlet, parts of Jan Juc and further along the coast, sit within a designated bushfire zone. That means a BAL rating, and a BAL rating means construction requirements: window and door specifications, ember-proofing details, approved cladding and decking materials.

Here’s what a lot of homeowners don’t realise: none of that has to cost you the design you want. A BAL requirement is a constraint to design around, not a reason to simplify the home. Good architecture and good bushfire compliance aren’t in conflict; they just both need to be on the table from the first sketch, not bolted on after the permit stage.

Orientation: the decision that’s hardest to undo

Get the orientation wrong and no amount of clever interior design fixes it. A living area facing the wrong way will be cold in winter, glary in summer, and exposed to wind you didn’t plan for.

Good orientation on the Surf Coast usually means: north light into the main living spaces, outdoor areas sheltered from the prevailing sou’westerly rather than fully exposed to it, and window placement that captures the view without turning the house into a wind tunnel. Passive touches; ceiling fans, louvre windows, eaves that shade summer sun but let winter sun in – do a lot of the work before you ever turn on air conditioning. We used exactly this thinking on our recent Queenscliff build, where ceiling fans and louvres were part of the plan from day one, not an afterthought.

None of this is complicated once it’s considered early. It’s expensive and disruptive once it isn’t.

What to ask your builder before you commit to a design

1. What’s the BAL rating for this block, and what does it mean for materials? Get this answer before you fall in love with a material choice that won’t comply.

2. Where does the prevailing wind actually hit this site? Not a general answer, for this specific block, this specific orientation.

3. What corrosion-rated fixings and claddings are you specifying, and why? A builder who can’t answer this in detail hasn’t thought about it properly.

4. How is the design using passive elements before relying on mechanical heating and cooling? This should be part of the architecture, not an add-on at the selection stage.

Build for the coast you’re actually on

A home on the Bellarine Peninsula and Surf Coast should feel like it belongs here, open to the view, sheltered from what the weather actually does, built from materials that are chosen to last. That takes the same thing every good build takes: getting the details right before breaking ground.

If you’re planning a build on the Bellarine Peninsula or Surf Coast and want a builder who thinks about wind, fire compliance, and orientation from the first conversation – not after the permit’s already through, get in touch.

→ Get in touch at lrccustombuilders.com

LRC Custom Builders. Every build feels like home.