Sans Souci at a glance
| Topic | Details |
|---|---|
| Council | Split between Georges River Council and Bayside Council |
| Postcode | 2219 |
| Typical homes | Mostly houses, many rebuilt or extended, plus units along Rocky Point Road |
| Ground | Low-lying (about 5 m elevation), sandy near the bay |
| Watch for | Salt air, overland and coastal flooding, foreshore controls, which council you are in |
Living between two bays
Sans Souci sits on the western shore of Botany Bay, with Lady Robinsons Beach and Cook Park to the east and Kogarah Bay to the west, at an elevation of only about 5 metres. Low ground brings two issues for renovations: water and salt.
- Georges River Council's Blakehurst and Kogarah Bay Wards Overland Flow Flood Study, endorsed in April 2026, includes part of Sans Souci. Council also flags coastal flooding from high tides, storm surges and waves.
- Sandy, damp ground can need deeper footings and careful drainage for decks, extensions and retaining walls.
- For low ground floors, ask about flood-compatible materials and raised power points.
- Groundwater can sit close to the surface on low land near the bay, which affects excavation, pool removal and in-ground tanks.
- Rocky Point Road is the main shopping strip and a busy route to the bridge, so deliveries to homes and units on it need planning.
Salt air on the bayside
Breezes off Botany Bay carry salt into the suburb, so steel and cheap fixings corrode faster than in Hurstville or Bexley. When you get quotes for roofing, gutters, windows or balustrades, ask:
- Which products are rated for marine or severe coastal exposure, and does the warranty change near the water?
- Are fixings 316 stainless or hot-dip galvanised?
- Will aluminium windows and doors have a coastal-grade powder coat or anodised finish? See uPVC vs aluminium windows.
- Concrete near the water can suffer salt attack, so ask for an exposure-rated mix and enough cover over reinforcement for slabs, steps and walls.
Two councils in one suburb
Sans Souci is split between Georges River Council and Bayside Council, so the rules for a deck, pergola or extension depend on which side of the boundary you are on. Both councils follow the same NSW exempt and complying development rules, but their local plans, flood maps and DA processes differ.
- Check your rates notice or Section 10.7 certificate before you brief anyone.
- Where a knock-down rebuild is the plan, flood levels and the council's floor-level rules drive the design, so get them first.
- Waterfront lots on Kogarah Bay can face foreshore controls that limit decks, pools and retaining walls near the water.
Popular jobs include deck builders, pergola builders and gutter replacement with coastal-rated products.
Popular jobs in Sans Souci
Deck builders
Create a deck that works with your home, outdoor circulation and site conditions.
Get quotesPergola builders
Choose an outdoor structure around shade, rain protection and the connection to your home.
Get quotesGutter replacement
Plan gutters and downpipes as a connected drainage system, with attention to overflow and the condition of the supporting fascia.
Get quotesWindow replacement
Compare complete window systems, including installation, sealing and making good.
Get quotesHome extensions
Plan additional space around your existing structure, household needs and site constraints.
Get quotesBathroom renovations
Plan a bathroom around layout, water management, ventilation and finishes before comparing prices.
Get quotesCommon questions
Is Sans Souci in Georges River or Bayside Council?
Both. The council boundary runs through the suburb, so your address decides which council handles approvals. Check your rates notice or order a Section 10.7 planning certificate, which also shows flood, foreshore and heritage controls. Tell the quoting trades which council you are in, because local rules and processes differ between the two.
Will my Sans Souci extension need a raised floor level?
Possibly. On low-lying lots identified as flood-affected, councils usually set a minimum floor level for new habitable rooms, commonly the 1% annual exceedance probability flood level plus a freeboard. Your council can tell you the level for your lot. Builders need that number before they can price an extension or a knock-down rebuild accurately.
What lasts best near the water in Sans Souci?
Choose products rated for marine or severe coastal exposure: coastal-grade roofing and gutters, 316 stainless or hot-dip galvanised fixings, and powder-coated or anodised aluminium. Hardwood or composite decking fixed with stainless screws holds up better than standard fixings. Rinsing metal surfaces with fresh water a few times a year also slows corrosion.