Sutherland Shire Council
Private building certifier in Yowie Bay
CertifiBuild certifies houses, pools and Class 10 structures across Yowie Bay. Owners of waterfront lots tend to ask first how council views a stair or inclinator running to the bay.
NSW 2228
Class 1 homes and Class 10 structures
Local rules
Yowie Bay: a peninsula of houses above two waterways
Homes on an old peninsula estate
The peninsula was first carved up in 1889, under the name Village of Weeroona. The registered plan kept the earlier spelling, Ewey Bay, so old papers can look like they describe somewhere else. Those names help you chase records, yet your current title and survey are what identify the land. In 2021, 85.9% of occupied homes were stand-alone houses, so renovating a house is the typical job. Attached homes and flats still exist, which means some work touches shared property, access or outdoor space.
Two waterway zones, two sets of rules
The eastern shore faces W2 waters in the Yowie Bay arm. W1 waters lie off the western side and the southern point. The Sutherland Shire development control plan (DCP), council's detailed design rulebook, gives each zone a separate chapter. Both chapters cover foreshore stairs and inclinators. They look at how close these sit to natural ground, whether rock faces stay visible, and neighbour privacy. Neither allows stairs or an inclinator below the mean high tide line. Boatsheds and boating structures fall under separate provisions. Seeing the water from your home reveals nothing about your boundary or hazard mapping.
Typical work
Common projects and how they get approved
What owners build here
Most Yowie Bay jobs start with a freestanding house and a sloping garden. Typical work we see includes:
- Upper-level additions, where the new floor changes how the house meets the lower garden.
- Knockdown rebuilds on detached lots, the main housing type on the peninsula.
- Pools and safety barriers on terraced backyards with limited flat space.
- Garages and roofed outdoor living areas that must suit the layout already approved.
- Foreshore stairs or inclinators, assessed as their own item rather than an add-on.
Dual occupancies and granny flats, where permitted land use and eligibility must be confirmed first.
How approval usually works
Your lot's mapping decides if a CDC (a quick approval under state rules) is possible. If not, a DA is required, with a CC to follow. Waterfront access often pushes the job into a DA, because the waterway chapters weigh privacy and natural ground. Prior to lodging, obtain an up to date survey marking mean high water. Draw the full route from house to water, and list the house, the stairs and any boating structure as separate parts. Match old Weeroona or Ewey Bay documents to your real lot before trusting them. CertifiBuild reads your lot's mapping and waterway zone at the start, so the access design is settled before drawings go too far.
Our services
From approval to sign-off.
One certifier for your whole Yowie Bay job, from the first plan check to the occupation certificate.
Local questions
Questions we hear about this suburb.
No two lots in Yowie Bay are the same. Give us your address and we will check every map that affects it.
See the council pageWhy does my old Yowie Bay plan say Ewey Bay?
Because when the peninsula was cut up in 1889, it went on sale as Weeroona village, its registered plan spelt the bay Ewey, and the advertising said Yowie. All three names point to the same area, so an old plan isn’t necessarily describing somewhere else. Use the historic names to track down records, then match the lot details against your current title and survey. Those, not an old drawing, identify your land, your house footprint and your foreshore position. Confirm what was actually approved before building new plans on top of it.
Can I add an inclinator after my house is approved?
You can, but the house approval won’t cover it, so it gets assessed separately. Sutherland Shire’s development control plan (DCP) deals with the W1 and W2 waterways in two chapters around Yowie Bay, and both look at how close the inclinator sits to natural ground, whether rock faces stay visible and how it affects neighbours’ privacy. Waterfront access often needs a development application (DA). Get a survey marking mean high water, draw the full route from house to water, and settle it early so house and access work together.
Can my foreshore stairs run right down into the water?
No. On both the W1 and W2 shores around Yowie Bay, foreshore stairs and inclinators must stop above the mean high tide line. Jetties, boatsheds and other boating structures are covered by separate rules, so list the stairs or inclinator and any boating structure as separate parts of the proposal. Before designing, have a surveyor mark where mean high water sits and decide how you intend to use the water. Seeing the bay from your home tells you nothing about where your boundary actually sits, so confirm it on the survey first.
Building in this suburb?
Send us the address first.
We check the local maps for your lot, confirm the approval path and quote in writing.