Licensed Custom Home Builder Sans Souci — Design & Construct
NSW licensed builder (Oliver Alameri) delivering fixed-price custom homes across Sans Souci 2219. Engineered slab for Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore) soil, BASIX 2025, 6-year structural warranty.
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A custom home in Sans Souci costs $450,000–$1,200,000+ depending on size and specification. Single storey from $450K, double storey from $650K. Buildana manages design, Bayside Council approvals and fixed-price construction.
Sans Souci Custom Home Construction
Custom in Sans Souci is peninsula-premium scope — Georges River and Botany Bay waterfront on 500–900m² R3 lots, salt-grade specs, Botany Sands and Wianamatta Shale interface, Captain Cook Bridge premium. End values $3M–$6M+ direct waterfront. Realistic premium custom $4,500–$6,800/m² waterfront; $3,200–$4,800/m² inland.
On the ground in Sans Souci (2219), the practical numbers shape every custom home build. Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore) soil — extremely reactive clay — pushes engineered foundation work into the $45,000–$80,000 bracket on most 500–900m² blocks. R2 Low / R3 Medium (station precincts) / R4 (Wolli Creek, Mascot, Rockdale, Kogarah, Arncliffe high-rise) zoning under Bayside Council sets the building envelope, with R3 Medium Density pockets that open up dual occupancy options on qualifying lots. Median sale price across Sans Souci sits at $2.0M–$4.0M (waterfront $3M–$6M+), which frames the build-versus-buy decision from the start. Nearest rail is Bus to Kogarah (T4, 5 km), and that proximity affects everything from rental demand to construction site access.
Buildana's design-and-construct service covers everything — from initial design brief and land assessment through to council approval and fixed-price construction. One builder, one contract, one point of contact.
Read our Complete Custom Home Guide or explore custom home builds across Sydney.
- Custom homes in Sans Souci from $450K
- Designed for your 500–900m² block
- Bayside Council DA and CDC approvals managed
- Sans Souci zoned R2 Low / R3 Medium (station precincts) / R4 (Wolli Creek, Mascot, Rockdale, Kogarah, Arncliffe high-rise)
- Single and double storey designs
- Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore) soil — engineered slab included
- 6-year structural warranty
- Free consultation — near Bus to Kogarah (T4, 5 km) station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Why Build a Custom Home in Sans Souci?
Sans Souci is the peninsula suburb between the Georges River and Botany Bay — inter-war heritage, post-war brick and contemporary on 500–900m² blocks. Direct waterfront premium on the Georges River and Botany Bay. Botany Sands and Wianamatta Shale interface. R3 along Rocky Point Road. Coastal salt-grade specs. Premium peninsula.
Sans Souci's established streetscape and median house prices of $2.0M–$4.0M (waterfront $3M–$6M+) reflect a premium location within Bayside. Building costs sit above the metro average, offset by stronger capital growth and rental returns. Transport access via Bus to Kogarah (T4, 5 km) connects Sans Souci to the wider Sydney network. Custom home construction here benefits from 500–900m² blocks that allow generous floor plans — single or double storey designs with proper setbacks and outdoor living. Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore) soil (extremely reactive) is standard for Sans Souci — Buildana includes engineered slab design in every quote.
Custom homes in Bayside split between premium beachfront on the Botany Bay foreshore (Brighton-Le-Sands, Monterey, Ramsgate Beach, Dolls Point, Sandringham, Sans Souci) with direct ocean outlook and the Captain Cook Bridge premium on the Sans Souci peninsula — and mid-tier custom across Bexley, Bardwell Valley, Carlton, Monterey, Ramsgate, Kogarah and the inland post-war stock. Beachfront builds require coastal salt-grade specifications (316-grade stainless, marine-grade timber, double-sealed glazing). Foreshore Building Line consent on direct waterfront. ANIP flight-path overlays add specification overhead on Mascot, Eastlakes, Kyeemagh, Banksia, Brighton-Le-Sands, Botany, Wolli Creek and parts of Arncliffe. Botany Sands soil on the eastern half mandates suspended slabs, Class P/E footings and dewatering on basement excavation. Wianamatta Shale inland. Industrial-legacy contamination clearance on Mascot, Botany, Wolli Creek, Eastlakes redevelopment parcels. Realistic premium custom $3,000–$4,500/m² for 280–500m² build inland; $4,200–$6,500/m² on direct beachfront at Brighton-Le-Sands/Ramsgate Beach/Sandringham/Sans Souci/Dolls Point. Pre-construction 4–7 months inland; 6–9 months on beachfront with Foreshore Building Line consent and salt-grade engineering, or on ANIP/contamination-clearance sites.
Planning Controls — Bayside Council
Bayside LEP 2021 (consolidating the legacy Botany Bay and Rockdale LEPs) & Bayside DCP. R2 Low Density covers most older streets: FSR 0.5–0.55:1, building height 8.5–9m, front setback 4.5–6m, landscaped area 35–45%. R3 Medium Density along Princes Highway, Forest Road, Rocky Point Road, The Grand Parade and around station precincts (Rockdale, Kogarah, Carlton, Bexley North, Banksia, Arncliffe, Mascot, Kingsgrove) permits FSR up to 0.9:1. R4 High Density and B4 Mixed Use concentrated on Wolli Creek (master-planned apartment precinct), Mascot, Rockdale town centre, Kogarah St George Hospital precinct, Arncliffe, Eastgardens around Westfield, and station-precinct overlays. Bayside DCP enforces 600m² R2 dual-occupancy minimum. Heritage Conservation Areas in pockets covering Botany village, Bexley Federation streets, Rockdale heritage core, Mascot inter-war pockets and parts of Kogarah/Carlton. Tree Preservation Order LGA-wide. Wianamatta Shale soil predominant inland; Botany Sands soil with elevated water table on the eastern half of the LGA (Mascot, Botany, Eastlakes, Eastgardens, Brighton-Le-Sands, Kyeemagh, Wolli Creek) requiring suspended slabs, Class P/E footings, and dewatering on basement excavations. Coastal salt-grade specifications mandatory across all Botany Bay foreshore builds (Brighton-Le-Sands, Monterey, Ramsgate Beach, Dolls Point, Sandringham, Sans Souci). Cooks River and Botany Bay foreshore riparian setbacks 10–40m. Foreshore Building Line restrictions on direct waterfront. Industrial-legacy contamination management protocols apply to remediated parcels in Mascot, Botany, Wolli Creek, Eastlakes (former industrial, brick pits, light industry, Port Botany adjacency). Aircraft Noise Insulation Project (ANIP) overlays are LGA-defining — the Sydney Airport flight path runs directly over Mascot, Kyeemagh, Wolli Creek, Arncliffe, Banksia, Brighton-Le-Sands, Botany, Eastlakes and parts of Tempe; ANIP-covered properties mandate sound-rated glazing, mechanical ventilation and insulation upgrades. WestConnex/M8 corridor through Arncliffe, Wolli Creek and Tempe defines the northern transport spine. Aboriginal cultural heritage protocols apply on parts of the Botany Bay and Cooks River foreshore (La Perouse, Kurnell adjacency).
Custom home builder in Sans Souci — key facts
- Suburb
- Sans Souci, NSW 2219
- Council / LGA
- Bayside Council (Bayside)
- Primary zoning
- R2 Low / R3 Medium (station precincts) / R4 (Wolli Creek, Mascot, Rockdale, Kogarah, Arncliffe high-rise)
- Typical lot size
- 500–900m²
- Soil class
- Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore)
- Median house price
- $2.0M–$4.0M (waterfront $3M–$6M+)
- Home era
- 1930s–1970s
- Typical price range
- $450,000 – $1,200,000+
- Typical timeline
- 12–20 months design to handover
- Approval pathway
- CDC fast-track (15 business days) or DA (40–90 days)
Building in Sans Souci — Local Context
Ground Conditions That Affect Your Build
Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore) is the rule across Sans Souci — extremely reactive clay. For your custom home build, expect engineered footings in the $45,000–$80,000 range. The variables that shift you up or down inside that band: building footprint, number of storeys, point loads (heavy stone benchtops, masonry feature walls), and whether the adjacent stormwater system needs upgrading. Sans Souci is close to Bus to Kogarah (T4, 5 km) station — site access on tighter blocks adds a logistics premium, which is why we cost cranage and material delivery before signing, not after.
Bayside Planning Context
Bayside has its own LEP and DCP layered over State planning controls. For building a custom home in Sans Souci, the practical impact: Bayside Council's DCP sets local rules for streetscape character, materials palette in some precincts, vehicle crossover widths, and tree retention. R2 Low / R3 Medium (station precincts) / R4 (Wolli Creek, Mascot, Rockdale, Kogarah, Arncliffe high-rise) zoning on most Sans Souci blocks permits single dwellings, alterations, and additions. Buildana checks every overlay (heritage, bushfire, flood, acid sulfate soil, biodiversity) before quoting.
What a Custom home Costs in Sans Souci
Sans Souci's median house price sits at $2.0M–$4.0M (waterfront $3M–$6M+). That's the number that decides whether a custom home build stacks up financially. A new build at $2.0M–$4.0M (waterfront $3M–$6M+)+ replacement is well-supported by the local market and adds resale headroom on standard 500–900m² blocks. Buildana provides itemised quotes — no provisional sums, no allowances, no "as per engineering" line items.
What Makes a Custom home Work in Sans Souci
Sans Souci (2219) is part of Bayside. Bus to Kogarah (T4, 5 km) from the nearest station. Building well here means understanding what the suburb actually rewards — and what it punishes. Reward: thoughtful orientation, family-scale outdoor entertaining, durable materials that look right against the 1930s–1970s streetscape, and floor plans that handle multi-generational living without feeling cramped. Punish: over-glazing on west elevations (summer heat is brutal), thin slab specs on Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore) ground, generic project-home elevations that ignore the street rhythm. Buildana has built across Bayside long enough to know where the line sits.
Building Activity in Sans Souci Right Now
Sans Souci is seeing steady residential activity — vacant lot turnover and KDR activity is generating consistent custom home demand across the suburb. Buildana sits inside that pipeline — we know what's getting approved, what's stalling, and why.
Builder's Take on Sans Souci
I've walked a lot of Sans Souci blocks. The thing most owners don't realise until we're standing on the site is how much the slope, neighbour fencing, and driveway approach shape the final home. A block that looks flat on a survey might need $8K of cut/fill. A "simple" frontage might have a 900mm kerb drop that blows the driveway budget. Site visit first, design second — that order matters.
Most disputes I see with custom home clients trace back to one thing: vague contracts. In Sans Souci specifically, where Bayside Council's DCP has specific FSR and landscaped area rules, the contract has to call out setbacks, heights and compliance as included — not "subject to council". Buildana contracts include Bayside Council approval as a fixed item. If we misjudge the envelope, that's our cost, not yours.
Sans Souci vs Nearby Suburbs
Sans Souci vs nearby suburbs — key metrics for building a custom home.
| Suburb | Median Price | Typical Lot | Soil Class | Era | Station |
|---|---|---|---|---|---|
| Sans Souci2219this suburb | $2.0M–$4.0M (waterfront $3M–$6M+) | 500–900m² | Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore) | 1930s–1970s | Bus to Kogarah (T4, 5 km) |
| Sandringham2219 | $2.2M–$4.0M (beachfront $3M–$6M+) | 500–900m² | Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore) | 1930s–1970s | Bus to Kogarah (T4, 5 km) |
| Dolls Point2219 | $2.0M–$3.5M (beachfront $3M–$5M+) | 500–800m² | Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore) | 1930s–1970s | Bus to Kogarah (T4, 4 km) |
| Ramsgate2217 | $1.7M–$2.5M | 450–700m² | Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore) | 1930s–1970s | Rockdale (T4, 3 km) |
Median price, soil class, and lot size shape build feasibility and final cost. Buildana assesses every site against these and other constraints during the free feasibility stage.
Have a question about your project?
Talk to our team — free site assessment and fixed-price quote.
Cost Guide
| Item | Estimated Range |
|---|---|
| Vacant land in Sans Souci (no demolition) | $470,000 – $1,050,000 |
| Knockdown rebuild (incl. demo of 1930s–1970s home) | $530,000 – $1,210,000 |
| New release lot (volume builder alternative) | $500,000 – $890,000 |
| Sloping site (cut/fill + piers on Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore)) | $580,000 – $1,260,000 |
| Acreage / large rural-residential | $840,000 – $2,100,000+ |
Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.
How It Works
From First Call to Final Key
Book a free consultation at our Western Sydney showroom or on your Sans Souci block. We assess the site, walk through your brief, and outline a realistic budget and timeline.
⏱We design for Sans Souci's climate and your 500–900m² block: cross-ventilation, eaves sized for summer sun angles, living rooms positioned for winter light. Functional first, then we work on the aesthetic.
⏱Full documentation pack: structural engineering for Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore) soil, BASIX Certificate, geotechnical testing, stormwater design, and all drawings Bayside Council and your certifier need. Nothing left to chance.
⏱Approval pathway gets chosen at design stage, not after. CDC is faster but constrains the design envelope; DA gives flexibility but adds time.
⏱Fixed-price build from engineered slab to keys. Weekly milestone updates from your dedicated project manager.
⏱Defect-free handover inspection with you on site. Occupation Certificate, 6-year structural warranty, appliance manuals, maintenance schedule, and the keys to your new Sans Souci home.
⏱Our Team
Oliver Alameri
Founder / Director / Builder · MPropDev · PhD Student
Ahmad Alameri
Accounts Manager
Claire Wendell
Project Manager
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Liverpool, NSW
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Last updated: 1 July 2025
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