Granny Flat St Ives Chase — Design, Approval, Build, Connection
Complete granny flat delivery in St Ives Chase 2075: design, CDC or Ku-ring-gai Council approval, separate services connection, engineered slab, full build and handover under one fixed-price contract.
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A granny flat in St Ives Chase costs $150,000–$300,000+ depending on size and finishes. 1-bed from $150K, 2-bed from $200K. CDC fast-track approval in 10–15 business days. Buildana manages design, Ku-ring-gai Council approval and fixed-price construction.
St Ives Chase Secondary Dwellings
Granny flat in St Ives Chase is bushfire-detailed — BAL 19 to FZ ratings on most lots add fire-rated glazing, ember mesh, water tanks, and access width requirements that lift the build cost 15–20% over equivalent ridge-top suburbs. Lots 1,200–3,000m² so the placement options are flexible. Hornsby Shire boundary north. Rental $550–$700/week — yield held back by the bushfire build cost and bus-only transport.
Most St Ives Chase blocks run 1,200–3,000m² on Class M ground. A granny flat under the Housing SEPP needs the lot above 450m², some clear backyard, and not much else by way of council process — CDC certifier sign-off in 10–15 business days, no DA through Ku-ring-gai Council required. Median price band: $2.4M–$3.4M. Nearest rail is Mount Colah (4 km).
Buildana manages the full granny flat process in St Ives Chase — from site assessment and CDC fast-track approval through to fixed-price construction and handover. We build studio, 1-bedroom, and 2-bedroom designs up to the NSW maximum of 60m².
Read our Complete Granny Flat Guide or explore granny flat builds across Sydney.
- Granny flats in St Ives Chase from $150K
- CDC fast-track approval (10–15 business days)
- 1,200–3,000m² blocks — most qualify for 60m² granny flat
- St Ives Chase zoned R2 Low Density
- Fixed-price contract — design to handover
- Class M soil — engineered slab included
- Rental yield $650–$850/week in St Ives Chase
- Free site assessment — near Mount Colah (4 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 Granny Flat in St Ives Chase?
St Ives Chase is rural-residential semi-bushland on the edge of Garigal National Park. Lots run 1,200–3,000m², many backing directly onto bushland reserves. Bushfire planning controls (BAL ratings 19–FZ) apply across most of the suburb and add 10–15% to construction. The northern boundary runs into Hornsby Shire. No train, bus only — you're buying the land and the trees, not the commute.
St Ives Chase's established streetscape and median house prices of $2.4M–$3.4M reflect a premium location within Ku-ring-gai. Building costs sit above the metro average, offset by stronger capital growth and rental returns. Transport access via Mount Colah (4 km) connects St Ives Chase to the wider Sydney network. Secondary dwellings on 1,200–3,000m² blocks deliver rental returns of $650–$850/week per week. CDC approval through a private certifier typically takes 10–15 business days. Soil conditions in St Ives Chase (Class M, moderately reactive) are factored into every Buildana foundation design.
Granny flats in Ku-ring-gai run on a different economic logic to Western Sydney — block sizes of 800–1,400m² make compliance easy on paper, but the Tree Preservation Order, deep-soil 30% requirement, and 50% landscaped area control complicate every site plan. Bushfire BAL ratings apply in St Ives, North Turramurra, North Wahroonga and bush-edge lots — that adds $20K–$60K depending on the rating. The upside is rental: $650–$850/week is normal for a 60m² secondary dwelling in Killara, Wahroonga or Lindfield, with Pymble and Warrawee touching $900/week for full-spec finishes. CDC is available for SEPP-compliant designs but not on heritage or BAL-affected lots — DA is the safer route.
Planning Controls — Ku-ring-gai Council
Ku-ring-gai LEP 2015 & Ku-ring-gai DCP. R2 Low Density: FSR 0.3:1 on lots under 1,200m² (sliding down to ~0.27:1 on larger lots), building height 9.5m, front setback 9–12m varying by streetscape, landscaped area 50%, deep soil 30%. Heritage Conservation Areas cover significant portions of Gordon, Killara, Pymble, Wahroonga, Warrawee, Roseville and Turramurra — heritage character assessment is required before any DA. Tree Preservation Order is one of Sydney's strictest: any tree over 5m high or 0.45m trunk circumference needs Council consent before removal. Bushfire planning (Planning for Bushfire Protection 2019) applies in St Ives, St Ives Chase, North Turramurra, North Wahroonga and bush-edge lots — BAL assessment is mandatory. The 2024 NSW TOD reforms permit medium density inside 400m of Roseville, Lindfield, Killara, Gordon, Pymble, Turramurra and Warrawee stations, but Council scrutiny on built form and tree retention remains heavy.
Granny flat builder in St Ives Chase — key facts
- Suburb
- St Ives Chase, NSW 2075
- Council / LGA
- Ku-ring-gai Council (Ku-ring-gai)
- Primary zoning
- R2 Low Density
- Typical lot size
- 1,200–3,000m²
- Soil class
- Class M
- Median house price
- $2.4M–$3.4M
- Home era
- 1970s–1990s
- Typical price range
- $150,000 – $300,000+
- Typical timeline
- 4–6 months design to handover
- Approval pathway
- CDC via NSW Affordable Rental Housing SEPP (10–15 days)
Building in St Ives Chase — Local Context
Ground Conditions That Affect Your Build
Class M is the rule across St Ives Chase — moderately reactive. For your granny flat, expect engineered footings in the $15,000–$32,000 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. St Ives Chase is close to Mount Colah (4 km) station — site access on tighter blocks adds a logistics premium, which is why we cost cranage and material delivery before signing, not after.
Ku-ring-gai Council & Approval Pathway
St Ives Chase sits inside the Ku-ring-gai LGA, governed by Ku-ring-gai Council. For a granny flat, the approval question is usually CDC vs DA. Most compliant designs in St Ives Chase fit CDC — Complying Development Certificate issued by a private certifier in 10–15 business days. That's the fast lane, and Buildana lodges it as part of the contract. Either way, we manage submission, RFIs, and re-lodgement in-house — you don't deal with the council.
Where the Money Goes on a St Ives Chase Secondary dwelling
Cost breakdown for a typical secondary dwelling in St Ives Chase: structure and frame around 30%, slab and foundations 8–14% (driven by Class M soil), roofing and external 10–12%, services (plumbing, electrical, HVAC) 12–18%, fit-out (kitchen, bathrooms, joinery) 18–25%, and finishes (paint, tiles, flooring) 8–12%. The remaining 4–6% covers approvals, certifications, and site establishment. Buildana itemises every line so you see what you're paying for — no lump sums hiding margin.
Lifestyle Fit in St Ives Chase
St Ives Chase has a settled residential character. Mount Colah (4 km) from the nearest station. Local landmark: Ku-ring-gai Chase National Park & Garigal NP. For families building a granny flat here, the design considerations that matter day-to-day: orientation for natural light (north-facing living wherever the lot allows), separation between adult and kids' zones, a kitchen that opens to outdoor entertaining, garage size that fits a real family vehicle plus storage, and a layout that doesn't require renovating again in 10 years as the kids grow. Buildana designs for the long arc of how families actually use a home, not just the showroom photo.
Why Some St Ives Chase Builds Stall
Builds in St Ives Chase stall for predictable reasons. Lodgement defects (missing BASIX, wrong drawing scale, undeclared overlays). Soil surprises on Class M ground when the builder didn't commission a borehole upfront. Variation creep when the contract was light on inclusions. Trade scheduling gaps when the builder is over-committed across too many sites. Ku-ring-gai Council delays when neighbour objection triggers committee review. Buildana protects against each of these at contract stage — fully documented lodgement pack, geotech in the price, itemised inclusions instead of allowances, and a tight project-manager-to-job ratio that keeps trades moving.
Builder's Take on St Ives Chase
CDC is the right path for most St Ives Chase granny flats. Lodgement to approval in 10–15 business days vs 8–12 weeks for DA through Ku-ring-gai Council. The only catch: your design has to comply with the Codes SEPP — height, setbacks, landscape area. We check that upfront so there's no wasted design time.
On a 1,200–3,000m² block in St Ives Chase, granny flat placement matters more than finishes. Too close to the main house and privacy fails. Too deep in the yard and services cost triples. Best placement is usually along a side boundary with a clear walkway from the street — respects the front home's curb appeal.
St Ives Chase vs Nearby Suburbs
St Ives Chase vs nearby suburbs — key metrics for building a granny flat.
| Suburb | Median Price | Typical Lot | Soil Class | GF Rental | Station |
|---|---|---|---|---|---|
| St Ives Chase2075this suburb | $2.4M–$3.4M | 1,200–3,000m² | Class M | $650–$850/week | Mount Colah (4 km) |
| St Ives2075 | $2.6M–$3.8M | 1,000–2,000m² | Class M | $650–$850/week | Pymble (3 km) |
| North Turramurra2074 | $2.8M–$4.2M | 1,000–2,000m² | Class M | $650–$850/week | Turramurra (3 km) |
| Pymble2073 | $3.2M–$5.0M | 1,000–1,800m² | Class M | $650–$850/week | Pymble |
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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How It Works
From First Call to Final Key
Everything that has to be right before we touch the ground. Free on-site assessment of your St Ives Chase property. We measure setbacks, check existing services, assess access, and confirm your 1,200–3,000m² block meets Ku-ring-gai Council's requirements for a secondary dwelling. 60m² sounds tight on paper but designs well — high ceilings, good cross-ventilation, smart storage, and proper bedroom proportions make a 2-bed feel generous. We design for daily liveability, not just floor plan compliance.
⏱The St Ives Chase construction phase. Fixed price, programmed, supervised. CDC fast-track through a private certifier — typically approved in 10–15 business days. St Ives Chase is zoned R2 Low Density. Construction Certificate issued before works start. Your granny flat is built from slab to keys in a single programme. Engineered slab for Class M soil, frame, lock-up, fit-out, painting, flooring, and external works. Quality inspections at every stage.
⏱The job isn't done when the site's clean; it's done when you have keys, certificates and warranties. Defect-free inspection means we don't hand over a list to chase — every snag is fixed before keys move. Final clean, electrical and plumbing tested, smoke alarms certified, BASIX commissioning verified. The unit is rental-ready, not project-paperwork-ready.
⏱Quality Promise
Our St Ives Chase granny flat builds run on CDC fast-track where eligible. 10–15 business days to approval, 12 weeks to handover, fixed price.
Cost Guide
| Item | Estimated Range |
|---|---|
| Studio (35m²) | $170,000 – $220,000 |
| 1-bedroom (40–45m²) | $210,000 – $260,000 |
| 2-bedroom (55m²) | $240,000 – $300,000 |
| Full 60m² maximum | $260,000 – $320,000 |
| Separate meter install | $3,000 – $8,000 |
| Landscaping and path tie-in | $4,000 – $15,000 |
Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.
Our Team
Oliver Alameri
Founder / Director / Builder · MPropDev · PhD Student
Ahmad Alameri
Accounts Manager
Claire Wendell
Project Manager
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“Buildana built our granny flat in just 12 weeks. Fast approvals, great communication, and a beautiful final product. Highly recommend.”
Fatima Al-Rashid
Liverpool, NSW
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Last updated: 1 July 2025
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