Home Extension Lane Cove West — Design, Approval, Structural, Build
Full-service extensions in Lane Cove West 2066: structural survey of existing 1900s–1960s home, design, Lane Cove Council approval, engineering, weatherproofed construction, matched finish to original dwelling.
HIA Member
MBA NSW0476 300 300Home Extension Builder in Lane Cove West
A home extension in Lane Cove West has room to stretch. Free of the TOD and corridor complications of the north side, it is generous leafy blocks — 600 to 1,200m² under Federation and mid-century homes — which is exactly the kind of land that lets a wing be genuinely ambitious rather than squeezed.
The era read decides the approach: behind a conserved Federation frontage where that applies, or freely on the mid-century stock. Along the valley edge the clay turns, so those footing junctions are engineered to move with the house, and pre-war fabric gets lead and asbestos removed under licence.
At a $2.6M to $4.5M median, a wing beats the cost of upsizing out of the leafy pocket — you keep the trees and the quiet and simply build the house out to what the block can hold.
We build these fixed-price, licence HBL 487805C. Ask us to measure what your block can hold.
Buildana manages the complete home extension process in Lane Cove West — 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 Lane Cove West from $150K
- Lane Cove Council DA and CDC approvals managed
- Ground floor, rear and second-storey additions
- M — structural engineering included
- 1900s–1960s-era homes assessed for extension suitability
- Connect new to existing — clean, matched finish
- 6-year structural warranty
- Free design consultation — near St Leonards (4 km) station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Room to be ambitious
Lane Cove West's 600 to 1,200m² blocks let a wing be generous — whole living zones opened to the gardens, extra bedrooms, and the leafy setting still intact afterwards.
The era read decides the approach: behind the heritage frontage, or freely on the mid-century stock.
Valley edge and fabric
Along the valley edge the clay junctions are engineered to move with the house.
Lead paint and asbestos are handled under the licensed pre-war processes, and all of it is priced into the job from the outset.
Home extension builder in Lane Cove West — key facts
- Suburb
- Lane Cove West, NSW 2066
- Council / LGA
- Lane Cove Council (Lane Cove)
- Primary zoning
- R2 Low Density
- Typical lot size
- 600–1,200m²
- Soil class
- M
- Median house price
- $2.6M–$4.5M
- Home era
- 1900s–1960s
- 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.
Quality Promise
Every Buildana home extension in Lane Cove West is delivered under a fixed-price contract — from design consultation through to defect-free handover.
How It Works
From First Call to Final Key
The first job on an extension is finding out what you're extending onto. Lane Cove West homes from the 1900s–1960s were built to different standards — we open walls, check footings, verify load paths. The existing house has to carry the new work.
⏱Design follows the existing roof. A bad extension looks like a bolt-on; a good one reads as original. Matched brickwork or contrasting render (whichever the architecture calls for), tied-in roofline, continuous flooring where it should be continuous.
⏱Construction happens while you live in the house. That means weatherproofing every night, staging the works so kitchens and bathrooms don't disappear on the same week, and keeping the site clean of debris that doesn't belong in a family home.
⏱Finish is seamless. Paint match, floor match, roofline match, brick match where possible. The only way to tell the extension is new is the date on the plans.
⏱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
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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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Costs, approval pathway and fixed-price contract detail for every other build type we deliver in Lane Cove West 2066. Lane Cove Council regulations and local controls are covered on each page.