Pennant Hills Knockdown Rebuild — Stay on Your Street
Buildana handles KDR across Pennant Hills 2120. 1900s–1940s Federation heritage (Beecroft/Cheltenham/Pennant Hills/Wahroonga boundary) + 1960s–1990s brick (Cherrybrook/Asquith/Mount Colah/Mount Kuring-gai) + 2010s+ R3/R4 redevelopment around Hornsby/Asquith/Waitara stations homes on 700–1,200m² typical (Hornsby/Asquith/Pennant Hills/Beecroft/Wahroonga boundary/Cherrybrook); 1–5ha acreage (Galston/Berrilee/Arcadia/Forest Glen/Glenorie/Berowra Heights bushland fringe) blocks — we know the soil, the Hornsby Shire Council rules, and the neighbours' expectations.
HIA Member
MBA NSW0476 300 300Quick Answer
A knockdown rebuild in Pennant Hills costs $450,000–$1,200,000+. Standard single-storey from $450K, two-storey from $650K. Buildana manages demolition, Hornsby Shire Council approvals, and construction under one fixed-price contract.
Knockdown Rebuild Builder in Pennant Hills
A knockdown rebuild in Pennant Hills is a premium village play — Federation cottages, inter-war heritage and 1960s-90s brick on generous 700 to 1,200m² R2 blocks, with its own station, a heritage village character and strong school catchments.
Heritage Conservation Areas cover several streets, so on a well-kept Federation home restoration is worth weighing — the village character premium is real. On the larger blocks with later homes, a rebuild works cleanly, and the 600m² duplex minimum puts a dual-occupancy in play.
The Hawkesbury Sandstone bedrock means rock of $30,000 to $120,000, priced from a geotech bore, and some bushland-fringe lots carry BAL ratings. The pre-war stock carries asbestos and lead paint, so a licensed strip-out leads the demolition.
We rebuild fixed-price, licence HBL 487805C. Get our feasibility, with the heritage and rock checked, before you commit.
Buildana manages the complete knockdown rebuild process in Pennant Hills — from site assessment and architectural design through to DA or CDC approval, demolition management, and fixed-price construction to handover. One builder, one contract, one new home.
Read our KDR Cost Guide 2026 or use the Renovation vs KDR Calculator to compare options.
- New home in Pennant Hills from $450K
- Hornsby Shire Council DA and CDC approvals managed
- Demolition and asbestos removal included
- Hawkesbury Sandstone bedrock — engineered slab design included
- Typical blocks 700–1,200m² typical (Hornsby/Asquith/Pennant Hills/Beecroft/Wahroonga boundary/Cherrybrook); 1–5ha acreage (Galston/Berrilee/Arcadia/Forest Glen/Glenorie/Berowra Heights bushland fringe) in Pennant Hills
- Single and two-storey designs available
- 6-year structural warranty
- Free site assessment — near Pennant Hills station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
A heritage village worth staying in
Pennant Hills' station, village character and school catchments — Pennant Hills High, Loreto nearby — make it a suburb families want to stay in. On the generous 700 to 1,200m² blocks with later homes, a rebuild works cleanly; on a well-kept Federation home in the heritage streets, restoration is worth weighing.
The 600m² duplex minimum puts a dual-occupancy in play on most blocks.
Rock, bushfire fringe and old stock
The sandstone bedrock means rock of $30,000 to $120,000, priced from a geotech bore, and some bushland-fringe lots carry BAL ratings checked on the mapping.
The pre-war stock carries asbestos and lead paint, so a licensed strip-out leads the demolition.
Knockdown-rebuild builder in Pennant Hills — key facts
- Suburb
- Pennant Hills, NSW 2120
- Council / LGA
- Hornsby Shire Council (Hornsby Shire)
- Primary zoning
- R2 Low Density predominant
- Typical lot size
- 700–1,200m² typical (Hornsby/Asquith/Pennant Hills/Beecroft/Wahroonga boundary/Cherrybrook); 1–5ha acreage (Galston/Berrilee/Arcadia/Forest Glen/Glenorie/Berowra Heights bushland fringe)
- Soil class
- Hawkesbury Sandstone bedrock
- Median house price
- $2.6M–$3.6M premium heritage
- Home era
- 1900s–1940s Federation heritage
- Typical price range
- $450,000 – $1,200,000+
- Typical timeline
- 14–22 months including demolition
- Approval pathway
- CDC where eligible or DA for complex sites
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.
Cost Guide
| Item | Estimated Range |
|---|---|
| Single storey rebuild (150–200m²) | $480,000 – $680,000 |
| Double storey rebuild (200–300m²) | $680,000 – $1,050,000 |
| Premium rebuild (300m²+) | $1,050,000+ |
| Demolition (1900s–1940s Federation heritage (Beecroft/Cheltenham/Pennant Hills/Wahroonga boundary) + 1960s–1990s brick (Cherrybrook/Asquith/Mount Colah/Mount Kuring-gai) + 2010s+ R3/R4 redevelopment around Hornsby/Asquith/Waitara stations Pennant Hills home) | $18,000 – $40,000 |
| Asbestos removal (if present) | $8,000 – $25,000 |
| Service disconnections & reinstatement | $3,000 – $8,000 |
Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.
How It Works
From First Call to Final Key
Everything that has to be right before we touch the ground. We assess your Pennant Hills block — lot size (typical 700–1,200m² typical (Hornsby/Asquith/Pennant Hills/Beecroft/Wahroonga boundary/Cherrybrook); 1–5ha acreage (Galston/Berrilee/Arcadia/Forest Glen/Glenorie/Berowra Heights bushland fringe)), R2 Low Density predominant zoning, setbacks, FSR, and existing dwelling condition. Asbestos survey included. You'll know feasibility and budget before committing. Complete design package: floor plans, elevations, 3D renders, structural engineering, geotech, BASIX, stormwater, and all documentation Hornsby Shire Council requires. Approval managed start to finish.
⏱The Pennant Hills construction phase. Fixed price, programmed, supervised. Pre-demolition: dilapidation report on adjoining properties (protects you against unfounded damage claims), service disconnections, asbestos clearance, neighbour notification. Then 1–2 weeks of physical demolition with material sorted at site for recycling where possible. Fixed-price construction: engineered slab, frame, lock-up, fit-out, external works. 8–12 months depending on size. Weekly progress reports with photos and milestone tracking.
⏱The job isn't done when the site's clean; it's done when you have keys, certificates and warranties. Same address, completely different home. Permanent gas, water, electrical, NBN reconnected and tested. Council waste collection re-registered. Mailbox reinstalled. Move-in ready, not move-in plus 100 small jobs.
⏱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
Explore Related Topics
Book a Pennant Hills Knockdown Rebuild Assessment
Free KDR site assessment for Pennant Hills 2120. We'll assess your block, estimate cost, and provide a fixed-price budget.
Start Your ProjectMore in Pennant Hills
Other Buildana services in Pennant Hills
Costs, approval pathway and fixed-price contract detail for every other build type we deliver in Pennant Hills 2120. Hornsby Shire Council regulations and local controls are covered on each page.