
Licensed Home Extension Builder Padstow Heights
NSW licensed extension specialist. Padstow Heights 2211 extensions on 1940s–1970s-era homes require structural sign-off, Class M footings, and matched connection — we engineer and document properly.
Quick Answer
A home extension in Padstow Heights costs $150,000–$600,000+. Rear extension from $150K, second-storey addition from $300K. Buildana manages design, Canterbury-Bankstown Council approvals, and construction under one fixed-price contract.
Extending Homes in Padstow Heights
Padstow Heights has elevated R2 blocks near the Georges River — 600–900m² lots. Premium extension setting. Living area additions, outdoor entertaining, and upper-level extensions designed for the topography. Canterbury-Bankstown Council approvals managed by Buildana.
On the ground in Padstow Heights (2211), the practical numbers shape every home extension. Class M soil — moderately reactive — pushes engineered foundation work into the $15,000–$32,000 bracket on most 600–900m² blocks. R2 Low Density zoning under Canterbury-Bankstown Council sets the building envelope. Median sale price across Padstow Heights sits at $1.2M–$1.5M, which frames the build-versus-buy decision from the start. Nearest rail is Padstow (1.5 km), and that proximity affects everything from rental demand to construction site access.
Buildana manages the complete home extension process in Padstow Heights — 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 Padstow Heights from $150K
- Canterbury-Bankstown Council DA and CDC approvals managed
- Ground floor, rear and second-storey additions
- Class M soil — structural engineering included
- 1940s–1970s-era homes assessed for extension suitability
- Connect new to existing — clean, matched finish
- 6-year structural warranty
- Free design consultation — near Padstow (1.5 km) 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 Padstow Heights?
Padstow Heights is an improved residential suburb with established homes and bush setting near the Georges River. Generous blocks and premium character.
Padstow Heights's established streetscape and median house prices of $1.2M–$1.5M reflect a premium location within Canterbury-Bankstown. Building costs sit above the metro average, offset by stronger capital growth and rental returns. Transport access via Padstow (1.5 km) connects Padstow Heights to the wider Sydney network. 1940s–1970s-era homes in Padstow Heights often have good structural foundations worth building on. Extensions add living space at a fraction of the full rebuild cost. Soil conditions in Padstow Heights (Class M, moderately reactive) are factored into every Buildana foundation design.
Home extensions across Canterbury-Bankstown suit the area's character housing stock — from 1920s–1960s bungalows in Canterbury and Earlwood to post-war homes in Bankstown and Revesby. Common projects include rear living extensions, upper-floor additions, and modernising period kitchens while retaining character elements. Heritage requirements may apply in some areas. Buildana manages design, approvals, and construction.
Planning Controls — Canterbury-Bankstown Council
Canterbury-Bankstown LEP 2023 & DCP. R2 zones: FSR 0.5:1, R3 zones: FSR 0.85:1, building height 9m, front setback 5.5m. Heritage conservation provisions apply in some suburbs. CDC available for eligible designs.
Home extension builder in Padstow Heights — key facts
- Suburb
- Padstow Heights, NSW 2211
- Council / LGA
- Canterbury-Bankstown Council (Canterbury-Bankstown)
- Primary zoning
- R2 Low Density
- Typical lot size
- 600–900m²
- Soil class
- Class M
- Median house price
- $1.2M–$1.5M
- Home era
- 1940s–1970s
- 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 Padstow Heights — Local Context
Site & Ground Conditions in Padstow Heights
Padstow Heights sits on Class M soil — moderately reactive. For a home extension, that keeps foundation work in the standard cost band, and pushes engineered footings into the $15,000–$32,000 range on most 600–900m² blocks here. Geotechnical testing isn't optional — every Buildana extension in Padstow Heights starts with a borehole report so the slab and footings are sized to your actual block, not a generic spec. It's a cheap step that prevents expensive surprises during excavation. Drainage design matters too — overland flow paths on Padstow Heights's topography can collect water against rear setbacks if the contour survey is sloppy.
Planning Controls in Padstow Heights
Padstow Heights is zoned R2 Low Density. Canterbury-Bankstown Council controls FSR, height limits (typically 8.5–9m), site coverage, landscaped area minimums, and setbacks. For a extension, the binding constraints on most 600–900m² 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.
What a Extension Costs in Padstow Heights
Padstow Heights's median house price sits at $1.2M–$1.5M. That's the number that decides whether a home extension stacks up financially. If you're spending more than 50% of $1.2M–$1.5M on a extension, the economics tilt toward knockdown rebuild instead. Worth running the numbers properly before locking in scope. Buildana provides itemised quotes — no provisional sums, no allowances, no "as per engineering" line items.
What Makes a Extension Work in Padstow Heights
Padstow Heights (2211) is part of Canterbury-Bankstown. Padstow (1.5 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 1940s–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 ground, generic project-home elevations that ignore the street rhythm. Buildana has built across Canterbury-Bankstown long enough to know where the line sits.
Building Activity in Padstow Heights Right Now
Padstow Heights 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 Padstow Heights
The cost-per-square-metre on an extension is almost always higher than new build — roughly $3,800–$5,500/m² vs $3,200–$4,500/m² for new. Reason: connecting new to old adds engineering, matching adds material cost, working around occupation adds time. Budget accordingly.
Existing-structure assessment is the non-negotiable first step. Padstow Heights 1940s–1970s homes often have undersized footings or termite-damaged wall plates that won't carry a second storey. We check with drilled inspections before quoting — no point designing a dream that's not structurally viable.
Padstow Heights vs Nearby Suburbs
Padstow Heights vs nearby suburbs — key metrics for extending.
| Suburb | Median Price | Typical Lot | Soil Class | Era | Station |
|---|---|---|---|---|---|
| Padstow Heights2211this suburb | $1.2M–$1.5M | 600–900m² | Class M | 1940s–1970s | Padstow (1.5 km) |
| Padstow2211 | $1.1M–$1.4M | 500–700m² | Class M | 1940s–1970s | Padstow |
| Revesby Heights2212 | $1.2M–$1.5M | 600–900m² | Class M | 1940s–1970s | Revesby (1.5 km) |
| Picnic Point2213 | $1.2M–$1.5M | 600–1,000m² | Class M | 1960s–1980s | East Hills (1.5 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.
Want a real number for YOUR block — not a generic estimate?
Free site assessment, fixed-price contract, line-itemised quote within 48 hours. No high-pressure sales — just a real builder talking real numbers.
How It Works
From First Call to Final Key
Walk through your Padstow Heights home with our designer and structural engineer. We measure, photograph, and check the bones — footings, frame condition, roof structure. The cost estimate that follows is grounded in what we found, not a generic per-m² number.
⏱Our designer works with your existing home's layout — connecting new living areas to existing rooms, matching materials and roof pitch, and maximising natural light. You approve floor plans and 3D renders before we proceed.
⏱Most rear extensions in Padstow Heights qualify for CDC — cleaner, faster, no neighbour notification. Second-storey additions typically need DA through Canterbury-Bankstown Council because of overshadowing and privacy assessments. We choose based on your design, not on what's easier to lodge.
⏱Extension built from new footings to completion — connecting structurally to your existing home. Class M soil design managed. Temporary weatherproofing maintains liveability where possible.
⏱Walk through the completed extension, confirm finishes, collect your OC. Six-year structural warranty covers all new work including the junction with your existing home. Maintenance guide provided.
⏱Quality Promise
Every Buildana home extension in Padstow Heights is delivered under a fixed-price contract — from design consultation through to defect-free handover.
Cost Guide
| Item | Estimated Range |
|---|---|
| Single-room addition (bedroom/study) | $65,000 – $150,000 |
| Kitchen/living extension | $160,000 – $380,000 |
| Master suite + ensuite addition | $140,000 – $300,000 |
| Second storey (full or partial) | $300,000 – $590,000 |
| Multi-room ground floor wrap | $380,000 – $650,000 |
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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Frequently Asked Questions
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Liverpool, NSW
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Headquartered in Western Sydney's Fairfield. Active across all 28 metropolitan Sydney LGAs — from Penrith to the Eastern Suburbs, the Hills to the Sutherland Shire.
Last updated: 1 April 2026
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Other Buildana services in Padstow Heights
Costs, approval pathway and fixed-price contract detail for every other build type we deliver in Padstow Heights 2211. Canterbury-Bankstown Council regulations and local controls are covered on each page.