Knockdown Rebuild Seven Hills — Same Street, Brand New Home
Fixed-price knockdown rebuild in Seven Hills 2147. Buildana manages demolition, asbestos, Blacktown City Council approvals and full construction — slab to keys. Free site assessment.
HIA Member
MBA NSW0476 300 300Quick Answer
A knockdown rebuild in Seven Hills costs $500,000–$1,100,000+ including demolition and new construction. Entry single-storey from $500K, mid double-storey from $750K. Buildana manages demolition, asbestos, Blacktown City Council approvals and construction under one fixed-price contract.
Knockdown Rebuild Specialists in Seven Hills
Seven Hills is a family-friendly suburb with generous block sizes and a substantial stock of 1960s–1980s homes ready for renewal. Many blocks exceed 600m² — large enough for a knockdown rebuild into a spacious custom home or, on eligible lots, a dual-occupancy development. Proximity to Seven Hills station, the M2/M7 motorway interchange, and quality schools makes this one of Blacktown LGA's most sought-after KDR locations.
Buildana manages every stage of your Seven Hills knockdown rebuild — from initial site assessment and asbestos inspection through to CDC fast-track or DA approval, licensed demolition, and full construction to handover. One builder, one fixed-price contract, one point of contact.
Looking at broader options? Read our Complete Knockdown Rebuild Guide or explore building in Blacktown City.
- Fixed-price KDR in Seven Hills from $500K (demolition + new build)
- Blacktown City Council approvals managed — CDC or DA
- Licensed demolition, asbestos assessment and removal
- Custom home design for your 550–700m² block
- Class H soil — engineered slab design included
- Seven Hills zoned R2 Low Density under Blacktown City Council's LEP
- Dual occupancy option on eligible R2 blocks (July 2024 reform)
- Free site assessment — Seven Hills station area
Have a question about your project?
Talk to our team — free site assessment and fixed-price quote.
How It Works
From First Call to Final Key
We inspect your Seven Hills property — asbestos check, Class H soil verification, zoning review (R2 Low Density), setback analysis under Blacktown City Council's LEP and DCP. Typical Seven Hills blocks are 550–700m². Honest advice on KDR vs renovation.
⏱Custom floor plan designed for your Seven Hills block — orientation, setbacks, neighbours, slope and Blacktown City Council requirements. 1960s–1980s homes are typically on 550–700m² blocks with room for modern open-plan design.
⏱CDC (10–15 business days) or DA through Blacktown City Council (40–90 days). Seven Hills is zoned R2 Low Density. Construction Certificate obtained before works begin.
⏱Licensed demolition of existing 1960s–1980s home including asbestos removal (if present), service disconnection, site clearance. Air monitoring and clearance certificate included.
⏱New home built from engineered slab (Class H soil design) to lock-up to finishing. Milestone updates from your project manager. Quality inspections at every stage.
⏱Final inspection, Occupation Certificate, 6-year structural warranty, keys, maintenance guide. Close to Seven Hills station and Seven Hills Plaza & M2/M7 interchange.
⏱Quality Promise
Every Buildana knockdown rebuild in Seven Hills is managed under one fixed-price contract — demolition, approvals, construction and handover.
Our Team
Oliver Alameri
Founder / Director / Builder
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
Cost Guide
| Item | Estimated Range |
|---|---|
| Demolition (standard home) | $18,000 – $40,000 |
| Asbestos removal (if required) | $5,000 – $35,000 |
| Entry KDR (single storey) | $500,000 – $700,000 |
| Mid KDR (double storey) | $750,000 – $1,100,000 |
| Premium KDR | $1,100,000+ |
| Hydraulic/stormwater | $5,000 – $15,000 |
Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.
Ready to take the next step?
Free consultation — no obligation, no pressure.
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
Buildana builds across greater Sydney — with deep roots in Western Sydney's Fairfield, Liverpool, Cumberland, Canterbury-Bankstown, and Blacktown LGAs.
Last updated: 1 July 2025
Start Your Seven Hills Knockdown Rebuild
Free site assessment for Seven Hills 2147. We'll assess your block, advise on KDR vs renovation, and provide a realistic fixed-price budget.
Start Your Project