
Licensed Home Renovation Builder South Wentworthville
NSW licensed renovator. South Wentworthville 2145 1950s–1970s-era homes — asbestos assessment, AS 3740 wet-area waterproofing, structural sign-off where required. Code-compliant, certificate-backed.
Quick Answer
A home renovation in South Wentworthville costs $100,000–$500,000+. Kitchen from $30K, bathroom from $20K, full renovation from $150K. Buildana manages design, Cumberland City Council approvals (where required), and construction under one fixed-price contract.
South Wentworthville Home Renovations
South Wentworthville has post-war homes at lower prices. Renovation is cost-effective — kitchen and bathroom upgrades, new flooring, and modern lighting transform these homes. Close to the station. Cumberland City Council approvals managed by Buildana.
Most South Wentworthville blocks run 450–650m² on Class M ground. Renovation scope here is shaped by the existing structure — most 1950s–1970s homes need wiring and plumbing modernisation alongside whatever cosmetic work you plan, so it's worth scoping the whole job at once rather than splitting into phases. Median price band: $1.0M–$1.3M. Nearest rail is Wentworthville (1 km).
Buildana manages the complete home renovation process in South Wentworthville — from initial consultation and design through to approvals (where required) and fixed-price construction to handover. Your home, modernised.
Not sure whether to renovate or rebuild? Use our Renovation vs KDR Calculator or read the renovation vs knockdown rebuild comparison.
- Home renovations in South Wentworthville from $100K
- Cumberland City Council approvals managed (where required)
- Kitchen, bathroom, and full-home renovations
- 1950s–1970s-era homes — renovation specialists
- Asbestos assessment and removal included
- Staged renovation plans to minimise disruption
- 6-year structural warranty on structural work
- Free consultation — near Wentworthville (1 km) station

Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Why Renovate in South Wentworthville?
South Wentworthville is a quiet residential suburb with established post-war and 1960s housing. Standard blocks provide good renovation and extension potential.
Residential blocks of 450–650m² across South Wentworthville (2145) provide solid building envelopes for a range of project types. Cumberland City Council manages planning controls with well-established DCP provisions. Transport access via Wentworthville (1 km) connects South Wentworthville to the wider Sydney network. Renovating 1950s–1970s-era homes in South Wentworthville is a smart play when the structure is sound. Kitchen and bathroom upgrades typically return 60–80% of investment in added property value. Class M soil (moderately reactive) is standard for South Wentworthville — Buildana includes engineered slab design in every quote.
Renovation activity across Cumberland is driven by the area's ageing housing stock — many homes from the 1950s–1970s need kitchen, bathroom, and layout upgrades. Cumberland's proximity to Parramatta CBD means well-renovated homes achieve strong capital growth. Asbestos assessment is essential for pre-1990 homes. Buildana provides full renovation scope from design through to completion, with council approval managed where required.
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.
Home renovation builder in South Wentworthville — key facts
- Suburb
- South Wentworthville, NSW 2145
- 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
- $30,000 – $500,000+
- Typical timeline
- 3–8 months depending on scope
- Approval pathway
- Exempt development for cosmetic, CDC/DA for structural
Building in South Wentworthville — Local Context
Foundations & Slab Design for South Wentworthville
South Wentworthville'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 renovation. 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.
What Cumberland City Council Wants to See
Approval in South Wentworthville comes down to documentation quality. Cumberland City Council processes a high volume of residential applications, and the ones that get approved fast share three traits: clean drawings that show every required setback dimension on plan; a BASIX certificate that matches the actual specification (not a stand-in); and an engineering package sized correctly for the Class M ground. We prepare every document at full lodgement standard the first time.
Realistic Budget for South Wentworthville
For a renovation in South Wentworthville, the budget conversation starts with what you actually want versus what the site supports. Most quotes you'll get from volume builders strip out the things that matter on Class M soil — engineered slab upgrade, decent waterproofing, real drainage design, BASIX-compliant glazing — and present them as variations after you sign. We don't do that. Buildana's contract is fixed-price including everything required to deliver a renovation that complies with NCC 2025 on a 450–650m² block in South Wentworthville.
What Makes a Renovation Work in South Wentworthville
South Wentworthville (2145) is part of Cumberland City. Wentworthville (1 km) from the nearest station. Building well here means understanding what the suburb actually rewards — and what it punishes. Reward: thoughtful orientation, family-scale outdoor entertaining, durable materials that look right against the 1950s–1970s streetscape, and floor plans that handle multi-generational living without feeling cramped. Punish: over-glazing on west elevations (summer heat is brutal), thin slab specs on Class M ground, generic project-home elevations that ignore the street rhythm. Buildana has built across Cumberland City long enough to know where the line sits.
Why Some South Wentworthville Builds Stall
Builds in South Wentworthville stall for predictable reasons. Lodgement defects (missing BASIX, wrong drawing scale, undeclared overlays). Soil surprises on Class M 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. Cumberland City 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 South Wentworthville
Electrical rewires on 1950s–1970s South Wentworthville homes are often needed. Old cabling doesn't meet AS/NZS 3000 standards, circuit counts are insufficient for modern loads, and safety switches might be missing. Partial or full rewire adds $8K–$25K to a full renovation but brings the house to current compliance.
The temptation on a South Wentworthville renovation is to "do it in stages" over years. Almost always worse value than a single consolidated scope. Trade mobilisation costs get duplicated, finishes don't match across stages, and total cost creeps 20–30% higher. One scope, one contract, one clean job.
South Wentworthville vs Nearby Suburbs
South Wentworthville vs nearby suburbs — key metrics for renovating.
| Suburb | Median Price | Typical Lot | Soil Class | Era | Station |
|---|---|---|---|---|---|
| South Wentworthville2145this suburb | $1.0M–$1.3M | 450–650m² | Class M | 1950s–1970s | Wentworthville (1 km) |
| Wentworthville2145 | $1.0M–$1.3M | 450–650m² | Class M | 1950s–1970s | Wentworthville |
| Greystanes2145 | $1.1M–$1.4M | 550–750m² | Class M | 1970s–1990s | Merrylands (3 km) |
| Merrylands2160 | $1.0M–$1.3M | 500–700m² | Class M | 1950s–1970s | Merrylands |
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-room renovation (bathroom, kitchen) | $26,000 – $82,000 |
| Multi-room (kitchen + 1 bathroom) | $82,000 – $160,000 |
| Full internal renovation (kitchen, bathrooms, floors) | $160,000 – $330,000 |
| Full home renovation (all wet areas + living zones) | $330,000 – $620,000 |
| Premium full renovation (high-spec finishes) | $620,000+ |
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. On-site meeting to walk through your South Wentworthville home room by room. We identify what needs to change, what can stay, and where the budget delivers the most impact. Written scope and cost estimate within a week. Design includes selections for everything you'll touch: tapware, tiles, benchtops, splashbacks, joinery handles, paint colours, lighting, flooring. We lock these at design stage with cost-confirmed inclusions, not provisional sums that creep up during construction.
⏱The South Wentworthville construction phase. Fixed price, programmed, supervised. If your renovation involves structural work, we lodge DA or CDC with Cumberland City Council. Most kitchen and bathroom renovations don't require approval. Buildana advises on what needs lodgement and what doesn't. Trade sequencing is the difference between a 6-week renovation and a 12-week one. Demo, structural, plumbing rough-in, electrical rough-in, plaster, waterproofing, tiling, joinery install, fit-off, paint — each trade in and out cleanly, no waiting on the next sub.
⏱The job isn't done when the site's clean; it's done when you have keys, certificates and warranties. Final inspection, Occupation Certificate (if required), 6-year structural warranty on any structural work, and maintenance guide. Your South Wentworthville home, transformed.
⏱Our Team
Oliver Alameri
Founder / Director / Builder · MPropDev · PhD Student
Ahmad Alameri
Accounts Manager
Claire Wendell
Project Manager
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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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Other Buildana services in South Wentworthville
Costs, approval pathway and fixed-price contract detail for every other build type we deliver in South Wentworthville 2145. Cumberland City Council regulations and local controls are covered on each page.