Home Extension Builder Hunters Hill — Approved in 60 Days
Hunters Hill 2110 extensions with tight approval timelines. CDC where eligible (~15 days), DA via Hunters Hill Council in 40–60 days. Construction 12–24 weeks depending on scope.
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A home extension in Hunters Hill costs $150,000–$600,000+. Rear extension from $150K, second-storey addition from $300K. Buildana manages design, Hunters Hill Council approvals, and construction under one fixed-price contract.
Home Extension Builder in Hunters Hill
Hunters Hill homeowners with 1880s–1940s Federation/Victorian/inter-war heritage predominant (Heritage Conservation Areas cover virtually entire LGA) + premium contemporary infill-era properties are increasingly turning to home extensions to gain space without the disruption of a full move. With typical lots of 500–1,200m² (premium Federation/Victorian/inter-war heritage predominant); 800–2,000m²+ harbour-front (Woolwich/Hunters Hill peninsula tip), most Hunters Hill properties can accommodate ground-floor or second-storey extensions under Hunters Hill Council's planning controls. Buildana manages feasibility, design, approvals, and construction for Hunters Hill extension projects under one fixed-price contract.
Hunters Hill's housing stock is mostly from the 1880s–1940s Federation/Victorian/inter-war heritage predominant (Heritage Conservation Areas cover virtually entire LGA) + premium contemporary infill, which is the era where structural bones either hold up or don't — and we see plenty of both across the suburb. For extending here, that history matters: asbestos survey before any demolition is non-negotiable, and licensed removal lands somewhere between $5,000 and $25,000 depending on what's actually there. Median price $3.5M–$6.5M typical heritage; $5.0M–$15M+ harbour-front Woolwich/Hunters Hill peninsula on typical 500–1,200m² (premium Federation/Victorian/inter-war heritage predominant); 800–2,000m²+ harbour-front (Woolwich/Hunters Hill peninsula tip) blocks. Class Hawkesbury Sandstone bedrock predominant (saw-cutting, rock-anchoring $40K–$140K above standard substructure on harbour-fall lots) / Class M Wianamatta Shale on ridge / Foreshore Building Line + Crown Lands referral universal on Lane Cove River and Parramatta River frontage ground, foundation cost band $24,000–$42,000.
Buildana manages the complete home extension process in Hunters Hill — from design consultation and structural engineering through to DA or CDC approval, and fixed-price construction to handover. Extend your home without the stress.
Read our Home Extension Cost Guide 2026 or explore extension approval pathways in NSW.
- Home extensions in Hunters Hill from $150K
- Hunters Hill Council DA and CDC approvals managed
- Ground floor, rear and second-storey additions
- Class Hawkesbury Sandstone bedrock predominant (saw-cutting, rock-anchoring $40K–$140K above standard substructure on harbour-fall lots) / Class M Wianamatta Shale on ridge / Foreshore Building Line + Crown Lands referral universal on Lane Cove River and Parramatta River frontage soil — structural engineering included
- 1880s–1940s Federation/Victorian/inter-war heritage predominant (Heritage Conservation Areas cover virtually entire LGA) + premium contemporary infill-era homes assessed for extension suitability
- Connect new to existing — clean, matched finish
- 6-year structural warranty
- Free design consultation — near Wollstonecraft (5 km, ferry from Valentia Street wharf) station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Why Extend Your Home in Hunters Hill?
Hunters Hill is one of Sydney's most heritage-protected suburbs — sandstone Victorian/Federation mansions on 600–1,500m² blocks with substantial fall to the Lane Cove and Parramatta Rivers. Heritage Conservation Areas cover virtually the entire suburb. Sandstone-dominant soil with deep rock excavation typical. Foreshore Building Line on water-frontage.
Hunters Hill sits in the Hunters Hill Council local government area with 500–1,200m² (premium Federation/Victorian/inter-war heritage predominant); 800–2,000m²+ harbour-front (Woolwich/Hunters Hill peninsula tip) residential blocks and R2 Low Density (heritage predominant) / R3 Medium Density limited to Gladesville town centre zoning. Building costs are around the Sydney metro average, balancing construction value with lifestyle and growth. Transport access via Wollstonecraft (5 km, ferry from Valentia Street wharf) connects Hunters Hill to the wider Sydney network. 1880s–1940s Federation/Victorian/inter-war heritage predominant (Heritage Conservation Areas cover virtually entire LGA) + premium contemporary infill-era homes in Hunters Hill often have good structural foundations worth building on. Extensions add living space at a fraction of the full rebuild cost. Ground conditions (Class Hawkesbury Sandstone bedrock predominant (saw-cutting, rock-anchoring $40K–$140K above standard substructure on harbour-fall lots) / Class M Wianamatta Shale on ridge / Foreshore Building Line + Crown Lands referral universal on Lane Cove River and Parramatta River frontage) across Hunters Hill are well understood by local builders — Buildana's engineering accounts for moderately to highly reactive soil movement.
Home extension builder in Hunters Hill — key facts
- Suburb
- Hunters Hill, NSW 2110
- Council / LGA
- Hunters Hill Council (Hunters Hill Council)
- Primary zoning
- R2 Low Density (heritage predominant) / R3 Medium Density limited to Gladesville town centre
- Typical lot size
- 500–1,200m² (premium Federation/Victorian/inter-war heritage predominant); 800–2,000m²+ harbour-front (Woolwich/Hunters Hill peninsula tip)
- Soil class
- Class Hawkesbury Sandstone bedrock predominant (saw-cutting, rock-anchoring $40K–$140K above standard substructure on harbour-fall lots) / Class M Wianamatta Shale on ridge / Foreshore Building Line + Crown Lands referral universal on Lane Cove River and Parramatta River frontage
- Median house price
- $3.5M–$6.5M typical heritage; $5.0M–$15M+ harbour-front Woolwich/Hunters Hill peninsula
- Home era
- 1880s–1940s Federation/Victorian/inter-war heritage predominant (Heritage Conservation Areas cover virtually entire LGA) + premium contemporary infill
- Typical price range
- $150,000 – $600,000+
- Typical timeline
- 6–12 months design to handover
- Approval pathway
- CDC for most rear extensions, DA for second-storey
Building in Hunters Hill — Local Context
Foundations & Slab Design for Hunters Hill
Hunters Hill's ground is moderately to highly reactive clay (Class Hawkesbury Sandstone bedrock predominant (saw-cutting, rock-anchoring $40K–$140K above standard substructure on harbour-fall lots) / Class M Wianamatta Shale on ridge / Foreshore Building Line + Crown Lands referral universal on Lane Cove River and Parramatta River frontage). On a 500–1,200m² (premium Federation/Victorian/inter-war heritage predominant); 800–2,000m²+ harbour-front (Woolwich/Hunters Hill peninsula tip) block, that translates to engineered slab work in the $24,000–$42,000 bracket for a extension. Double-check any quote that doesn't itemise the slab — 'slab as per engineering' usually means the builder will hit you with a variation once the soil report comes back. We commission the geotech upfront, before pricing, so the cost in your contract reflects what your block actually needs. If your neighbour's home shows movement cracks above architraves or below window sills, that's a signal worth knowing before you finalise design — Buildana's site assessment looks at adjacent stock too.
Planning Controls in Hunters Hill
Hunters Hill is zoned R2 Low Density (heritage predominant) / R3 Medium Density limited to Gladesville town centre with R3 Medium Density pockets. Hunters Hill Council controls FSR, height limits (typically 8.5–9m), site coverage, landscaped area minimums, and setbacks. For a extension, the binding constraints on most 500–1,200m² (premium Federation/Victorian/inter-war heritage predominant); 800–2,000m²+ harbour-front (Woolwich/Hunters Hill peninsula tip) blocks here are: front setback (around 4.5–6m), side setbacks (1.0–1.5m articulated), rear (3–6m depending on lot depth), and landscaped area (usually 35–40%). Buildana's design team works to those numbers from the first sketch — no late re-design when council comes back with comments.
Cost vs Value in Hunters Hill
Median sale price in Hunters Hill is $3.5M–$6.5M typical heritage; $5.0M–$15M+ harbour-front Woolwich/Hunters Hill peninsula. For a extension, the decision tree runs through three numbers: build cost, expected post-completion value, and how long you plan to hold. Ground-floor extensions of 30–50m² typically return 1.1–1.3× their cost at sale in suburbs around $3.5M–$6.5M typical heritage; $5.0M–$15M+ harbour-front Woolwich/Hunters Hill peninsula. Second-storey adds tend to outperform — 1.3–1.6× — because they unlock larger family layouts on standard blocks. We map this in feasibility before you commit.
Designing for the Hunters Hill Streetscape
Hunters Hill's housing stock is predominantly from the 1880s–1940s Federation/Victorian/inter-war heritage predominant (Heritage Conservation Areas cover virtually entire LGA) + premium contemporary infill. Wollstonecraft (5 km, ferry from Valentia Street wharf) from the nearest station. The local anchor is Valentia Street + Hunters Hill village + Lane Cove River foreshore. For a home extension, the streetscape question matters more than most builders admit — a brand-new double-storey on a street of single-storey 1880s–1940s Federation/Victorian/inter-war heritage predominant (Heritage Conservation Areas cover virtually entire LGA) + premium contemporary infill weatherboards will draw council attention on bulk and scale, even if technically compliant. Buildana designs the front elevation to read appropriately for the street while modernising the floor plan and structure behind it. Materials palette, roof pitch, fenestration rhythm — all chosen to settle into the existing rhythm rather than fight it.
Building Activity in Hunters Hill Right Now
Hunters Hill is seeing steady residential activity — extensions are picking up as families choose to upsize their existing home rather than face stamp duty on a move. Buildana sits inside that pipeline — we know what's getting approved, what's stalling, and why.
Builder's Take on Hunters Hill
Extension or move? In Hunters Hill, the maths usually favours extension once you factor in stamp duty ($40K–$60K), agent fees ($25K–$40K), and moving costs. An extension of $200K–$350K often delivers the space without the 12-week disruption of moving.
Hunters Hill Council setback and height rules apply to the extension, not the whole house. An older Hunters Hill home that was built inside the setback might not be extendable to the boundary. We check that during feasibility so there's no expensive surprise at DA stage.
Hunters Hill vs Nearby Suburbs
Hunters Hill vs nearby suburbs — key metrics for extending.
| Suburb | Median Price | Typical Lot | Soil Class | Era | Station |
|---|---|---|---|---|---|
| Hunters Hill2110this suburb | $3.5M–$6.5M typical heritage; $5.0M–$15M+ harbour-front Woolwich/Hunters Hill peninsula | 500–1,200m² (premium Federation/Victorian/inter-war heritage predominant); 800–2,000m²+ harbour-front (Woolwich/Hunters Hill peninsula tip) | Class Hawkesbury Sandstone bedrock predominant (saw-cutting, rock-anchoring $40K–$140K above standard substructure on harbour-fall lots) / Class M Wianamatta Shale on ridge / Foreshore Building Line + Crown Lands referral universal on Lane Cove River and Parramatta River frontage | 1880s–1940s Federation/Victorian/inter-war heritage predominant (Heritage Conservation Areas cover virtually entire LGA) + premium contemporary infill | Wollstonecraft (5 km, ferry from Valentia Street wharf) |
| Woolwich2110 | $5M–$15M+ (harbour-front) | 700–2,000m² | Class Hawkesbury Sandstone bedrock predominant (saw-cutting, rock-anchoring $40K–$140K above standard substructure on harbour-fall lots) / Class M Wianamatta Shale on ridge / Foreshore Building Line + Crown Lands referral universal on Lane Cove River and Parramatta River frontage | 1880s–1940s heritage mansions + premium contemporary | Wollstonecraft (6 km, ferry from Woolwich wharf) |
| Henley2111 | $3.5M–$6.5M typical heritage; $5.0M–$15M+ harbour-front Woolwich/Hunters Hill peninsula | 500–1,200m² | Class Hawkesbury Sandstone bedrock predominant (saw-cutting, rock-anchoring $40K–$140K above standard substructure on harbour-fall lots) / Class M Wianamatta Shale on ridge / Foreshore Building Line + Crown Lands referral universal on Lane Cove River and Parramatta River frontage | 1880s–1940s Federation/Victorian/inter-war heritage predominant (Heritage Conservation Areas cover virtually entire LGA) + premium contemporary infill | Wollstonecraft (5 km) |
| Gladesville2111 | $3.5M–$6.5M typical heritage; $5.0M–$15M+ harbour-front Woolwich/Hunters Hill peninsula | 500–1,200m² (premium Federation/Victorian/inter-war heritage predominant); 800–2,000m²+ harbour-front (Woolwich/Hunters Hill peninsula tip) | Class Hawkesbury Sandstone bedrock predominant (saw-cutting, rock-anchoring $40K–$140K above standard substructure on harbour-fall lots) / Class M Wianamatta Shale on ridge / Foreshore Building Line + Crown Lands referral universal on Lane Cove River and Parramatta River frontage | 1880s–1940s Federation/Victorian/inter-war heritage predominant (Heritage Conservation Areas cover virtually entire LGA) + premium contemporary infill | West Ryde (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.
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Cost Guide
| Item | Estimated Range |
|---|---|
| Adding a master suite (1880s–1940s Federation/Victorian/inter-war heritage predominant (Heritage Conservation Areas cover virtually entire LGA) + premium contemporary infill Hunters Hill home) | $130,000 – $280,000 |
| Kitchen/living open-out to backyard | $150,000 – $350,000 |
| Second storey for teenagers/office | $280,000 – $550,000 |
| Extension + bathroom (growing family) | $200,000 – $400,000 |
| Full rear + roof tie-in (entertainer's zone) | $350,000 – $600,000 |
Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.
How It Works
From First Call to Final Key
Free consultation at your Hunters Hill home. We inspect the existing structure, check Hunters Hill Council's controls, measure available space, and discuss what you need.
⏱Two design moves are usually on the table: match the existing house so the extension reads as original, or contrast with it so the new section is clearly modern. Both work — choice is aesthetic, and we'll show 3D renders of both before you commit.
⏱CDC (10–15 business days) or DA through Hunters Hill Council depending on scope. Structural engineering, BASIX, and all documentation prepared and lodged.
⏱Construction phase connects new to existing — footings, frame, roof tie-in, waterproofing at junction, internal fit-out and external finish. Staged works minimise disruption to your daily routine in Hunters Hill.
⏱Final inspection focuses on the integration: paint blend, flooring transitions, ceiling height, junction waterproofing, sound transmission. The extension shouldn't feel bolted on — it should feel like the house was always meant to be this size.
⏱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 April 2026
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