
Home Extension Builder North Bondi — From $150K Fixed Price
Fixed-price home extensions in North Bondi 2026. Rear extension $150K–$300K, second storey $300K–$500K. Waverley Council approvals managed. Free site consult.
Quick Answer
A home extension in North Bondi costs $150,000–$600,000+. Rear extension from $150K, second-storey addition from $300K. Buildana manages design, Waverley Council approvals, and construction under one fixed-price contract.
Home Extension Builder in North Bondi
In North Bondi, a home extension competes with a $3.5M–$8M market — and wins. Selling here to buy one suburb over costs six figures in friction and forfeits the thing you actually own: a 250–700m² foothold on the ridge above Bondi Beach. Extending the Federation or inter-war house you hold, especially upward where the ocean fall opens views to the east, is how owners here add space without surrendering position.
The blocks are too tight for sprawling rear additions, so first-floor work dominates — and the era helps, since much of the early stock is solid brick that takes a storey once engineered. Heritage Conservation Areas cover several streets, meaning front elevations get reviewed while set-back upper levels and rear work move more freely. Salt air is constant, so materials get specified for it. Map your options with us before you list anything.
Buildana manages the complete home extension process in North Bondi — 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 North Bondi from $150K
- Waverley Council DA and CDC approvals managed
- Ground floor, rear and second-storey additions
- M — structural engineering included
- 1900s–1940s-era homes assessed for extension suitability
- Connect new to existing — clean, matched finish
- 6-year structural warranty
- Free design consultation — near Bondi Junction (3 km) station

Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Position beats relocation
North Bondi's ridge foothold is the thing you own — and extending up, where the ocean fall opens views east, adds the space without surrendering it. Selling to buy one suburb over burns six figures in friction.
The first-floor addition that captures the view is the defining local project.
Up on engineered brick
The tight blocks push the work upward, and the early solid brick takes a storey once engineered. HCA streets get their front elevations reviewed while set-back upper levels move more freely.
Salt air is constant, so the materials are specified for it — priced upfront.
Home extension builder in North Bondi — key facts
- Suburb
- North Bondi, NSW 2026
- Council / LGA
- Waverley Council (Waverley)
- Primary zoning
- R2 Low
- Typical lot size
- 250–700m²
- Soil class
- M
- Median house price
- $3.5M–$8M
- Home era
- 1900s–1940s
- 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
Everything that has to be right before we touch the ground. On-site assessment of your 1900s–1940s-era home in North Bondi. We check structural condition, block dimensions (250–700m²), setback availability, and Waverley Council's DCP requirements. Written feasibility and cost estimate provided. Designing an extension is half about the new space and half about how it joins the old one. Doorway position, ceiling height transition, floor level matching, light wells — the junction makes or breaks how the finished home feels.
⏱The North Bondi construction phase. Fixed price, programmed, supervised. We lodge your extension approval — CDC for eligible designs or DA through Waverley Council. Full documentation including structural engineering for Class M soil, BASIX, and shadow diagrams. CC issued before works start. For ground-floor rear extensions you usually stay in the house during the build, with temporary weatherproofing at the junction wall until the new section is locked up. Second-storey additions need a 4–8 week relocation during the roof-off and frame-up phase.
⏱The job isn't done when the site's clean; it's done when you have keys, certificates and warranties. Final inspection, Occupation Certificate, 6-year structural warranty. Your North Bondi home now has the space your family needs.
⏱Quality Promise
North Bondi home extension specialists: we work on your home while you live in it, weatherproof the site nightly, finish clean.
Cost Guide
| Item | Estimated Range |
|---|---|
| Small rear extension (up to 30m²) | $117,000 – $230,000 |
| Medium rear/side extension (30–60m²) | $230,000 – $420,000 |
| Large ground-floor extension (60–100m²) | $420,000 – $650,000 |
| Second-storey addition (60–120m²) | $360,000 – $720,000 |
| Wrap-around (ground + 1st floor) | $650,000+ |
| Structural engineering & tie-in | Included |
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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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
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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
North Bondi Extension — Free Consultation
Free design consultation for North Bondi 2026. We'll assess your home, design the extension, and provide a fixed-price quote.
Start Your ProjectMore in North Bondi
Other Buildana services in North Bondi
Costs, approval pathway and fixed-price contract detail for every other build type we deliver in North Bondi 2026. Waverley Council regulations and local controls are covered on each page.