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Licensed Knockdown Rebuild Builder Parramatta

NSW licensed KDR specialist in Parramatta 2150. Asbestos-accredited demolition, Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park engineered slab, BASIX 2025, 6-year structural warranty on the new home.

Based in Fairfield, Western Sydney5.0 Google RatingLicensed & Insured (LIC 487805C)HIA Member — Buildana Custom Home Builders SydneyHIA MemberMaster Builders Association NSW Member — BuildanaMBA NSW0476 300 300
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Quick Answer

A knockdown rebuild in Parramatta costs $450,000–$1,200,000+. Standard single-storey from $450K, two-storey from $650K. Buildana manages demolition, City of Parramatta Council approvals, and construction under one fixed-price contract.

New Home on Your Parramatta Block

KDR in Parramatta proper is largely redirected to R4 apartment redevelopment in the CBD core; detached KDR works on the residential perimeter on 350–600m² lots. Wianamatta Shale. UNESCO Old Government House World Heritage buffer applies on heritage-adjacent streets. End values $1.5M–$2.5M perimeter detached. Pre-construction 6–9 months.

For a rebuild in Parramatta, the economics are the framing question. Median price $700K–$2.0M (apartment-heavy; perimeter detached $1.5M–$2.5M); build cost on 350–600m² (CBD apartment-led) blocks scales by site conditions and specification. Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park ground (extremely reactive clay) keeps foundations honest — $45,000–$80,000 band — and blowouts on that line are the single most common reason fixed-price contracts elsewhere don't stay fixed. Buildana itemises the slab, structural engineering, and geotech work upfront so you see the actual cost in the contract. R3 zoning in pockets of Parramatta opens up dual occupancy potential — worth exploring even if you're not initially considering it.

Buildana manages the complete knockdown rebuild process in Parramatta — 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 Parramatta from $450K
  • City of Parramatta Council DA and CDC approvals managed
  • Demolition and asbestos removal included
  • Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park soil — engineered slab design included
  • Typical blocks 350–600m² (CBD apartment-led) in Parramatta
  • Single and two-storey designs available
  • 6-year structural warranty
  • Free site assessment — near Parramatta (T1 + Parramatta Light Rail + Sydney Metro West under construction, in suburb) station
KDR on a 350–600m² (CBD apartment-led) block in Parramatta — demolition plus new home
OA

Reviewed by Oliver Alameri

Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010

Why Knockdown Rebuild in Parramatta?

Parramatta is Sydney's second CBD — R4 high-rise apartment towers dominate the core (Sydney's tallest residential outside the CBD), with Federation cottages, inter-war heritage and post-war brick on the residential perimeter on 350–600m² blocks. Heritage core includes St John's Cathedral, Lancer Barracks, Old Government House. Wianamatta Shale soil. Sydney Metro West and Parramatta Light Rail converging hub.

Parramatta's established streetscape and median house prices of $700K–$2.0M (apartment-heavy; perimeter detached $1.5M–$2.5M) reflect a premium location within City of Parramatta. Building costs sit above the metro average, offset by stronger capital growth and rental returns. Parramatta benefits from Parramatta (T1 + Parramatta Light Rail + Sydney Metro West under construction, in suburb) station on the doorstep — walkable rail access lifts both rental demand and property values. 1900s–1970s + 2010s+ apartment towers-era housing stock across Parramatta is prime for knockdown rebuild — replacing dated layouts and materials with modern, NCC-compliant homes that maximise block potential. Soil conditions in Parramatta (Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park, extremely reactive) are factored into every Buildana foundation design.

KDR in the City of Parramatta is split sharply by suburb tier. The acreage-style premium tier — Oatlands (700–1,200m² R2 lots, top-school King's School premium), Carlingford (600–900m² R2), Northmead and North Parramatta (550–800m² R2) — carries premium custom KDR with end values $2.0M–$3.5M+ on Oatlands. Mid-tier KDR is the dominant scope across Dundas, Dundas Valley, Ermington, Rydalmere, Old Toongabbie, parts of Carlingford and Northmead with 1950s–1970s brick stock on 500–800m² R2 lots being replaced with two-storey contemporary builds. KDR is largely impractical on the apartment-led R4 cores (Parramatta CBD, Westmead, Harris Park, Sydney Olympic Park, Wentworth Point, Telopea Renewal Precinct, Epping town centre) where the playbook is apartment redevelopment. Wianamatta Shale soil predominant on suburban cores with minimal rock excavation; Class P/E alluvial soil with elevated water table on the Parramatta River corridor (Rydalmere, Ermington, parts of Telopea, Sydney Olympic Park, Wentworth Point) requiring suspended slabs, Class P/E footings and dewatering — cost premium $40K–$80K above standard. Industrial-legacy contamination clearance required on Sydney Olympic Park (former Homebush Bay industrial/Union Carbide), Wentworth Point (former industrial), Camellia (former Shell Oil refinery), Rosehill industrial fringe, Rydalmere (former industrial), Ermington (former Department of Defence, Boys Town) parcels — NSW EPA SEPP 55 site investigation, remediation action plan and validation reports add 4–8 months and $30K–$150K+ depending on contamination level. Heritage Conservation Areas restrict KDR on the heritage core (Parramatta CBD heritage precinct, Harris Park UNESCO buffer, North Parramatta Cumberland Hospital state-significant precinct, Federation streets in Dundas, Dundas Valley, parts of Carlingford, Epping village, Oatlands, Northmead, Rydalmere riverfront). UNESCO Old Government House World Heritage buffer-zone controls extend to adjoining streets in Harris Park, Parramatta CBD, North Parramatta and parts of Westmead. Tree Preservation Order LGA-wide. Demolition $30K–$60K with asbestos universal pre-1990. Riparian setbacks 10–60m on Parramatta River, Toongabbie Creek, Duck River and tributaries. Foreshore Building Line restrictions on direct waterfront in Wentworth Point, Sydney Olympic Park, Rydalmere, Ermington. Realistic premium turnkey $1.4M–$2.5M for 280–450m² build on suburban-core R2; $2.0M–$3.8M on Oatlands/Carlingford/Northmead premium suburban; $2.5M–$5M on direct river-frontage Rydalmere/Ermington with foreshore consent and Class P/E engineering. Pre-construction 4–7 months suburban-core; 6–10 months on heritage-adjacent, river-frontage, or contamination-clearance sites.

Planning Controls — City of Parramatta Council

Parramatta LEP 2023 & Parramatta DCP 2023. The City of Parramatta is Sydney's geographic centre and second CBD — a four-tier LGA spanning R4 high-rise apartment cores (Parramatta CBD, Westmead, Harris Park, Wentworth Point, Sydney Olympic Park, Telopea, Epping town centre), R3 station-precinct medium density, R2 detached suburban cores (Carlingford, Oatlands, Northmead, Dundas, Dundas Valley, Ermington, Rydalmere, North Parramatta, Old Toongabbie), and industrial-legacy redevelopment parcels (Camellia, Rosehill fringe, Silverwater, Sydney Olympic Park). R2 Low Density: FSR 0.5–0.55:1, building height 9m, front setback 6–7.5m, landscaped area 35–45%, deep soil 25%. R3 Medium Density along station precincts and major road corridors permits FSR up to 0.85:1 with heights 12–15m. R4 High Density on the Parramatta CBD core, Westmead Health Precinct, Harris Park, Wentworth Point peninsula, Sydney Olympic Park, Telopea Renewal Precinct and Epping town centre permits FSR 2.5–6:1+ with heights 50–150m+ — Parramatta hosts Sydney's tallest residential and commercial towers outside the CBD. Parramatta DCP 2023 enforces 600m² R2 dual-occupancy minimum. Heritage Conservation Areas in pockets covering Parramatta CBD heritage core (St John's Cathedral, Lancer Barracks, Old Government House precinct), Harris Park (UNESCO Old Government House World Heritage buffer), North Parramatta (Cumberland Hospital state-significant precinct + Female Factory), Westmead Boys' Home / Cumberland Hospital, parts of Carlingford, Beecroft fringe, Epping village, Oatlands, Northmead, Federation streets in Dundas, Dundas Valley, Rydalmere riverfront. Old Government House and the Government Domain at Parramatta Park are UNESCO World Heritage — buffer-zone planning controls extend to adjoining streets in Harris Park, Parramatta CBD, North Parramatta and parts of Westmead. Tree Preservation Order LGA-wide. Wianamatta Shale soil predominant; Class P/E alluvial soil with elevated water table on the Parramatta River corridor (Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point, Camellia) requiring suspended slabs, Class P/E footings and dewatering on basement excavations. Industrial-legacy contamination management protocols apply to remediated parcels in Sydney Olympic Park (former Homebush Bay industrial/abattoir/Union Carbide), Wentworth Point (former industrial), Camellia (former Shell Oil refinery), Rosehill industrial fringe, Rydalmere (former industrial), Silverwater (current industrial transitioning) and Ermington (former Department of Defence, Boys Town). Riparian setbacks 10–60m on Parramatta River, Toongabbie Creek, Duck River and Parramatta River tributaries. Foreshore Building Line restrictions on direct waterfront in Wentworth Point, Sydney Olympic Park, Rydalmere, Ermington. Aircraft Noise overlays affect Sydney Olympic Park and Wentworth Point on the helicopter routes serving the Olympic Park heliport. Sydney Metro West (under construction, opening 2032) is the LGA's signature infrastructure event — stations at Parramatta CBD, Westmead, Sydney Olympic Park, Rosehill (planned) drive station-precinct redevelopment under specific 400m TOD overlays. Parramatta Light Rail Stage 1 (Carlingford–Westmead via Camellia–Rydalmere–Telopea–Dundas–Carlingford, opening 2024) anchors Stage-1 corridor R3/R4 redevelopment. Parramatta Light Rail Stage 2 (Parramatta CBD–Sydney Olympic Park via Camellia and Wentworth Point) opens further density precincts. Westmead Health Precinct (Westmead Hospital, The Children's Hospital, Westmead Private, Cumberland Hospital, Sydney Children's Hospital Network) anchors LGA employment with hospital-staff demand driving granny flat rental yield. Sydney Olympic Park is a master-planned event-and-residential precinct with apartment-only redevelopment under SREP 24 (Sydney Olympic Park) controls. Wentworth Point is a master-planned waterfront residential peninsula. Telopea Renewal is a UrbanGrowth NSW master-planned light-rail-corridor renewal precinct (post-war public housing replaced by 4,000+ apartment dwellings). Parramatta CBD is undergoing the largest commercial and residential tower redevelopment outside the Sydney CBD core — tallest residential tower outside Sydney CBD (Aspire Tower, 90 stories) and commercial towers Walker Corp, ATO, NSW Government precinct.

Knockdown-rebuild builder in Parramatta — key facts

Suburb
Parramatta, NSW 2150
Council / LGA
City of Parramatta Council (City of Parramatta)
Primary zoning
R2 Low / R3 Medium (station precincts) / R4 High (Parramatta CBD, Westmead, Harris Park, Wentworth Point, Sydney Olympic Park, Telopea, Epping town centre)
Typical lot size
350–600m² (CBD apartment-led)
Soil class
Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park
Median house price
$700K–$2.0M (apartment-heavy; perimeter detached $1.5M–$2.5M)
Home era
1900s–1970s + 2010s+ apartment towers
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 Parramatta — Local Context

What Parramatta Soil Means for Your Rebuild

Most blocks across Parramatta (2150) classify as Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park — extremely reactive clay. Translation for a knockdown rebuild: foundation cost lands somewhere between $45,000–$80,000, depending on building footprint and how the engineer reads the borehole. Reactive soils move with seasonal moisture. A waffle pod alone won't cut it on a Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park site — you need stiffened edge beams, sometimes piered footings, and careful detailing around wet areas to stop differential movement showing up as cracking. Buildana includes the geotech report, structural engineering, and slab design in every quote. No site allowance, no provisional sum.

Planning Controls in Parramatta

Parramatta is zoned R2 Low / R3 Medium (station precincts) / R4 High (Parramatta CBD, Westmead, Harris Park, Wentworth Point, Sydney Olympic Park, Telopea, Epping town centre) with R3 Medium Density pockets. City of Parramatta Council controls FSR, height limits (typically 8.5–9m), site coverage, landscaped area minimums, and setbacks. For a rebuild, the binding constraints on most 350–600m² (CBD apartment-led) 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.

Where the Money Goes on a Parramatta Rebuild

Cost breakdown for a typical rebuild in Parramatta: structure and frame around 30%, slab and foundations 8–14% (driven by Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park soil), roofing and external 10–12%, services (plumbing, electrical, HVAC) 12–18%, fit-out (kitchen, bathrooms, joinery) 18–25%, and finishes (paint, tiles, flooring) 8–12%. The remaining 4–6% covers approvals, certifications, and site establishment. Buildana itemises every line so you see what you're paying for — no lump sums hiding margin.

Parramatta Housing Stock & What That Means

Most homes in Parramatta were built 1900s–1970s + 2010s+ apartment towers. That puts asbestos risk firmly in play — sheeting, eaves linings, vinyl floor tiles, and pipe lagging are likely. Licensed removal adds $5,000–$25,000 to a rebuild where demolition is involved, and Buildana manages SafeWork NSW notifications, removal, and clearance certificates as part of the contract.

Why Some Parramatta Builds Stall

Builds in Parramatta stall for predictable reasons. Lodgement defects (missing BASIX, wrong drawing scale, undeclared overlays). Soil surprises on Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park ground when the builder didn't commission a borehole upfront. Variation creep when the contract was light on inclusions. Trade scheduling gaps when the builder is over-committed across too many sites. City of Parramatta Council delays when neighbour objection triggers committee review. Buildana protects against each of these at contract stage — fully documented lodgement pack, geotech in the price, itemised inclusions instead of allowances, and a tight project-manager-to-job ratio that keeps trades moving.

Builder's Take on Parramatta

The biggest surprise on KDR for clients is how much the new house improves the suburb feel. Same street, same neighbours, same kids' schools — but the house finally fits. Parramatta residents who KDR rarely regret it; the ones who renovate instead often tell me they wish they'd gone the rebuild path.

Clients often ask whether to keep the existing slab. Almost always no. 1900s–1970s + 2010s+ apartment towers-era slabs in Parramatta weren't engineered for Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park soil to today's standards. Trying to match new construction to old footings creates structural liability. Full slab replacement is cleaner and cheaper in the long run.

Parramatta vs Nearby Suburbs

Parramatta vs nearby suburbs — key metrics for knocking down and rebuilding.

SuburbMedian PriceTypical LotSoil ClassEraStation
Parramatta2150this suburb$700K–$2.0M (apartment-heavy; perimeter detached $1.5M–$2.5M)350–600m² (CBD apartment-led)Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park1900s–1970s + 2010s+ apartment towersParramatta (T1 + Parramatta Light Rail + Sydney Metro West under construction, in suburb)
Harris Park2150$900K–$1.6M (apartment-led)200–500m²Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park1790s heritage + 1900s–1970s + apartment towersHarris Park (T1, in suburb) / Parramatta CBD adjacent
North Parramatta2151$1.5M–$2.2M500–800m²Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park1900s–1970sParramatta (T1, 1.5 km) / Sydney Metro West (under construction)
Westmead2145$1.1M–$1.5M450–650m²Class M1950s–1970sWestmead

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.

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Cost Guide

ItemEstimated Range
Single storey rebuild (150–200m²)$500,000 – $710,000
Double storey rebuild (200–300m²)$710,000 – $1,100,000
Premium rebuild (300m²+)$1,100,000+
Demolition (1900s–1970s + 2010s+ apartment towers Parramatta home)$19,000 – $42,000
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. KDR feasibility is two questions: what can the block legally support, and is it cheaper to build new than fix old. We answer both in writing within a week, with cost ranges grounded in current Parramatta market data — not generic Sydney averages. New home designed for your Parramatta block — maximising FSR, orientation, and streetscape. Working drawings, engineering, and BASIX prepared. CDC or DA lodged with City of Parramatta Council.

The Parramatta construction phase. Fixed price, programmed, supervised. Full demolition management: asbestos survey report, licensed removal where required, structural demolition, site clearing, temporary fencing, and dust/noise management. City of Parramatta Council demolition permit obtained beforehand. Build sequence: site prep, slab pour, frame stand, roof, brickwork, lock-up, plumbing and electrical rough-in, plaster, internal fit-out, kitchen install, tiling, flooring, painting, external works, final clean. Each stage signed off before payment release.

The job isn't done when the site's clean; it's done when you have keys, certificates and warranties. Defect-free handover inspection, OC issued, keys in hand. Permanent services reconnected, landscaping complete, 6-year structural warranty, and full maintenance guide provided.

Licensed Class 1 demolisher with SafeWork NSW notification
Asbestos register compiled; removal by AL/A-class licensed contractor
Sydney Water service abolishment and reinstatement per standards
Endeavour Energy disconnection and new dedicated supply to switchboard
Geotechnical reassessment after demolition — Class M (Wianamatta Shale predominant) / Class P/E (alluvial Parramatta River corridor: Rydalmere, Ermington, Sydney Olympic Park, Wentworth Point) / industrial-legacy contamination overlays on Camellia, Rosehill, Silverwater fringe and Sydney Olympic Park soil verified
Hold-point inspection after demolition before any footings poured
Contamination protocol if legacy fuel tanks, asbestos piping, or lead paint found
City of Parramatta Council R2 Low / R3 Medium (station precincts) / R4 High (Parramatta CBD, Westmead, Harris Park, Wentworth Point, Sydney Olympic Park, Telopea, Epping town centre) compliance applied to new envelope, not old
Tree protection zones and neighbour impact assessed per DCP

Our Team

OA

Oliver Alameri

Founder / Director / Builder · MPropDev · PhD Student

AA

Ahmad Alameri

Accounts Manager

CW

Claire Wendell

Project Manager

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