Home Extension Builder Sydney Olympic Park — From $150K Fixed Price
Fixed-price home extensions in Sydney Olympic Park 2127. Rear extension $150K–$300K, second storey $300K–$500K. City of Parramatta Council approvals managed. Free site consult.
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MBA NSW0476 300 300Quick Answer
A home extension in Sydney Olympic Park costs $150,000–$600,000+. Rear extension from $150K, second-storey addition from $300K. Buildana manages design, City of Parramatta Council approvals, and construction under one fixed-price contract.
Sydney Olympic Park Home Extensions & Additions
A home extension in Sydney Olympic Park means apartment craft — the precinct is towers, and the real market is interior transformation: kitchens, bathrooms, storage and light reworked within the strata envelope.
The precinct's masterplan keeps evolving around the stock, the strata path is handled as part of the scope, and precision is the standard high-density living demands.
At the $700K to $1.6M apartment range, the exact rework lifts both daily life and the letting position.
We build these fixed-price, licence HBL 487805C. Tell me what the property is and I will give you the honest read.
Buildana manages the complete home extension process in Sydney Olympic Park — 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 Sydney Olympic Park from $150K
- City of Parramatta Council DA and CDC approvals managed
- Ground floor, rear and second-storey additions
- M — structural engineering included
- 2000s+ apartment towers-era homes assessed for extension suitability
- Connect new to existing — clean, matched finish
- 6-year structural warranty
- Free design consultation — near Olympic Park (T7, in suburb) / Sydney Metro West (under construction) station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Towers take precise work
Sydney Olympic Park's apartments reward exact transformation — renewed kitchens and bathrooms, engineered storage, better light — with the strata approval path part of my scope, not your problem.
The precinct's event-driven demand keeps the upgraded stock letting strongly.
Details that earn their keep
Joinery to the centimetre, durable finishes, acoustic upgrades where the precinct hums — the details compound in high-density living.
Every one of those details is costed in the quote before we start.
Home extension builder in Sydney Olympic Park — key facts
- Suburb
- Sydney Olympic Park, NSW 2127
- Council / LGA
- City of Parramatta Council (City of Parramatta)
- Primary zoning
- R2 Low
- Typical lot size
- N/A (apartment-led precinct)
- Soil class
- M
- Median house price
- $700K–$1.6M (apartments)
- Home era
- 2000s+ apartment towers
- 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
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
We assess your Sydney Olympic Park home — existing structure, block size (N/A (apartment-led precinct)), R2 Low zoning, setbacks, FSR, and your space requirements. You'll know what's achievable before spending on detailed design.
⏱Design phase covers the extension layout, junction with existing structure, window and door placement, and external finish to match your Sydney Olympic Park home's streetscape. Multiple design options presented.
⏱Documentation pack covers structural engineering for the new footings sized to match existing depths on Class M soil, BASIX 2025 compliance, shadow diagrams to neighbours' POS, hydraulic, and detailed sections through the wall-tie junction. Approval-grade, not concept-grade.
⏱Fixed-price construction of your extension. New footings engineered for Class M soil, structural connection to existing home, frame, fit-out, and finishes. Weekly updates from your project manager.
⏱Handover documentation covers the new work specifically — OC for the extension, structural certs, BASIX certificate updates, and warranty for the new section plus the junction detailing. Existing house remains under whatever warranty position applied before.
⏱Quality Promise
We extend Sydney Olympic Park homes with a structural engineer on every job. Second storey, rear addition, multi-room — engineered and priced upfront.
Cost Guide
| Item | Estimated Range |
|---|---|
| Single-room addition (bedroom/study) | $63,000 – $150,000 |
| Kitchen/living extension | $160,000 – $370,000 |
| Master suite + ensuite addition | $140,000 – $290,000 |
| Second storey (full or partial) | $290,000 – $580,000 |
| Multi-room ground floor wrap | $370,000 – $630,000 |
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
Estimate Your Build Cost
Use our free calculator to get an instant cost estimate for your project
Still got questions? Talk to Oliver directly.
30-min free call — bring your block, your brief, your budget. We'll map out feasibility, timeline, and realistic cost. No sales pitch.
Frequently Asked Questions
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
We Build Across Sydney
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
Extend, Don't Move — Sydney Olympic Park
Free design consultation for Sydney Olympic Park 2127. We'll assess your home, design the extension, and provide a fixed-price quote.
Start Your ProjectMore in Sydney Olympic Park
Other Buildana services in Sydney Olympic Park
Costs, approval pathway and fixed-price contract detail for every other build type we deliver in Sydney Olympic Park 2127. City of Parramatta Council regulations and local controls are covered on each page.