Knockdown Rebuild Regents Park — One Contract, Demo to Keys
Everything under one agreement in Regents Park 2143: demolition, asbestos removal, site prep, design, approvals, engineering, new home construction, landscaping and Occupation Certificate.
HIA Member
MBA NSW0476 300 300Quick Answer
A knockdown rebuild in Regents Park costs $450,000–$1,200,000+. Standard single-storey from $450K, two-storey from $650K. Buildana manages demolition, Cumberland City Council approvals, and construction under one fixed-price contract.
Regents Park Knockdown Rebuilds
Regents Park has a station and 1950s–1970s homes on R2 blocks. Affordable land and good rail connectivity — KDR here delivers a modern home with strong resale and rental appeal. Cumberland City Council approvals are standard. Buildana manages the full process.
Regents Park's housing stock is mostly from the 1950s–1970s, which is the era where structural bones either hold up or don't — and we see plenty of both across the suburb. For knocking down and rebuilding here, that history matters: asbestos survey before any demolition is non-negotiable, and licensed removal lands somewhere between $5,000 and $25,000 depending on what's actually there. Median price $1.0M–$1.3M on typical 450–650m² blocks. Class M ground, foundation cost band $15,000–$32,000.
Buildana manages the complete knockdown rebuild process in Regents Park — 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 Regents Park from $450K
- Cumberland City Council DA and CDC approvals managed
- Demolition and asbestos removal included
- Class M soil — engineered slab design included
- Typical blocks 450–650m² in Regents Park
- Single and two-storey designs available
- 6-year structural warranty
- Free site assessment — near Regents Park station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Why Knockdown Rebuild in Regents Park?
Regents Park has its own train station and features established housing from the 1950s–1970s. Standard blocks provide good potential for granny flats and knockdown rebuilds.
Residential blocks of 450–650m² across Regents Park (2143) provide solid building envelopes for a range of project types. Cumberland City Council manages planning controls with well-established DCP provisions. Direct rail access from Regents Park station adds genuine value to Regents Park property. 1950s–1970s-era housing stock across Regents Park is prime for knockdown rebuild — replacing dated layouts and materials with modern, NCC-compliant homes that maximise block potential. Class M soil (moderately reactive) is standard for Regents Park — Buildana includes engineered slab design in every quote.
Cumberland LGA — covering Merrylands, Auburn, Granville, and surrounding suburbs — has high knockdown rebuild demand driven by ageing 1950s–1970s housing on standard to generous blocks. Cumberland Council's DCP requires careful attention to FSR (0.5:1 R2, 0.7:1 R3), height (9m), and heritage provisions in Granville and parts of Auburn. Many homes contain asbestos requiring licensed removal. Buildana manages the complete KDR process from heritage checks through demolition to final handover.
Planning Controls — Cumberland City Council
Cumberland LEP 2021 & DCP. R2 zones: FSR 0.5:1, R3 zones: FSR 0.7:1, building height 9m, front setback 6m, landscaped area 35%. Heritage items and conservation areas apply in parts of Granville and Auburn. CDC available for eligible designs.
Knockdown-rebuild builder in Regents Park — key facts
- Suburb
- Regents Park, NSW 2143
- Council / LGA
- Cumberland City Council (Cumberland City)
- Primary zoning
- R2 Low Density & R3 Medium Density
- Typical lot size
- 450–650m²
- Soil class
- Class M
- Median house price
- $1.0M–$1.3M
- Home era
- 1950s–1970s
- 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
Building in Regents Park — Local Context
Foundations & Slab Design for Regents Park
Regents Park's ground is moderately reactive (Class M). On a 450–650m² block, that translates to engineered slab work in the $15,000–$32,000 bracket for a rebuild. We commission the geotech upfront, before pricing, so the cost in your contract reflects what your block actually needs. If your neighbour's home shows movement cracks above architraves or below window sills, that's a signal worth knowing before you finalise design — Buildana's site assessment looks at adjacent stock too.
Planning Controls in Regents Park
Regents Park is zoned R2 Low Density & R3 Medium Density with R3 Medium Density pockets. Cumberland City Council controls FSR, height limits (typically 8.5–9m), site coverage, landscaped area minimums, and setbacks. For a rebuild, the binding constraints on most 450–650m² blocks here are: front setback (around 4.5–6m), side setbacks (1.0–1.5m articulated), rear (3–6m depending on lot depth), and landscaped area (usually 35–40%). Buildana's design team works to those numbers from the first sketch — no late re-design when council comes back with comments.
Cost vs Value in Regents Park
Median sale price in Regents Park is $1.0M–$1.3M. For a rebuild, the decision tree runs through three numbers: build cost, expected post-completion value, and how long you plan to hold. New custom homes in Regents Park re-set the property at the top of the local price band, with new-build premium of 10–20% over comparable established stock. We map this in feasibility before you commit.
Lifestyle Fit in Regents Park
Regents Park has a settled residential character.. Local landmark: Regents Park station precinct & shops. For families knocking down and rebuilding here, the design considerations that matter day-to-day: orientation for natural light (north-facing living wherever the lot allows), separation between adult and kids' zones, a kitchen that opens to outdoor entertaining, garage size that fits a real family vehicle plus storage, and a layout that doesn't require renovating again in 10 years as the kids grow. Buildana designs for the long arc of how families actually use a home, not just the showroom photo.
Realistic Regents Park Timeline
End-to-end timeline for a knockdown rebuild in Regents Park, lodgement-realistic: 8-14 weeks for DA, depending on neighbour notification and any RFI rounds. Add 2-3 weeks for documentation pack assembly before lodgement (BASIX, geotech for Class M, contour survey, hydraulic). Add 1 week for Construction Certificate post-approval. Construction itself runs 8-14 months once you're on the ground. Buildana provides a dated programme in every contract, not a vague "12-18 months" range.
Builder’s Take on Regents Park
1950s–1970s Regents Park homes are often asbestos-affected — not always, but often enough that the demolition quote should include contingency. AL/A-class licensed removal runs $8K–$25K on top of standard demolition. Any builder who doesn't flag this is either inexperienced or setting up a variation.
Service abolishment and reinstatement in Regents Park typically costs $3K–$8K. Sydney Water cap-off, Endeavour Energy disconnection, gas cap. Cheap KDR quotes often bundle this into "demolition" as a line item worth $1K — which is wrong and gets billed later.
Regents Park vs Nearby Suburbs
Regents Park vs nearby suburbs — key metrics for knocking down and rebuilding.
| Suburb | Median Price | Typical Lot | Soil Class | Era | Station |
|---|---|---|---|---|---|
| Regents Park2143this suburb | $1.0M–$1.3M | 450–650m² | Class M | 1950s–1970s | Regents Park |
| Berala2141 | $1.0M–$1.3M | 450–650m² | Class M | 1950s–1970s | Berala |
| Auburn2144 | $1.1M–$1.4M | 450–650m² | Class M | 1930s–1970s | Auburn |
| Birrong2143 | $950K–$1.15M | 500–700m² | Class M | 1940s–1970s | Birrong |
Median price, soil class, and lot size shape build feasibility and final cost. Buildana assesses every site against these and other constraints during the free feasibility stage.
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) | $490,000 – $700,000 |
| Double storey rebuild (200–300m²) | $700,000 – $1,080,000 |
| Premium rebuild (300m²+) | $1,080,000+ |
| Demolition (1950s–1970s Regents Park home) | $19,000 – $41,000 |
| Asbestos removal (if present) | $8,000 – $26,000 |
| 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. Free site inspection of your Regents Park property. We check lot dimensions, Cumberland City Council's planning controls, existing home condition, and potential asbestos. Written assessment with budget estimate within 5 business days. KDR is the chance to get the design right — the new build doesn't have to mimic the original layout. We start from your block's strengths (orientation, slope, views) and your family's brief, then design the home the original lot always deserved.
⏱The Regents Park construction phase. Fixed price, programmed, supervised. Licensed demolition of existing 1950s–1970s-era dwelling. Asbestos removal by certified contractors (if present). Site cleared, levelled, and ready for new slab. Typically 1–2 weeks. Your new home goes up on the cleared site. Engineered slab sized for Class M soil, frame, roof, fit-out, kitchen, bathrooms, flooring, painting, driveway, and landscaping. Quality inspections at every stage.
⏱The job isn't done when the site's clean; it's done when you have keys, certificates and warranties. Handover pack: OC, structural certificates, BASIX, appliance manuals and warranties, paint colour schedule, maintenance plan, and the keys. Six-year structural warranty kicks in from OC date — keep the documentation safe for any future sale.
⏱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 Regents Park Knockdown Rebuild Assessment
Free KDR site assessment for Regents Park 2143. We'll assess your block, estimate cost, and provide a fixed-price budget.
Start Your ProjectMore in Regents Park
Other Buildana services in Regents Park
Costs, approval pathway and fixed-price contract detail for every other build type we deliver in Regents Park 2143. Cumberland City Council regulations and local controls are covered on each page.