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Licensed Home Renovation Builder Botany

NSW licensed renovator. Botany 2019 1910s–1970s-era homes — asbestos assessment, AS 3740 wet-area waterproofing, structural sign-off where required. Code-compliant, certificate-backed.

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 home renovation in Botany costs $100,000–$500,000+. Kitchen from $30K, bathroom from $20K, full renovation from $150K. Buildana manages design, Bayside Council approvals (where required), and construction under one fixed-price contract.

Renovating Homes in Botany

Renovation in Botany is mid-tier refresh with Botany village HCA pockets carrying heritage-grade work. Botany Sands soil drives footing inspection and suspended slab re-piering. ANIP overlays; industrial-legacy clearance. Realistic budget $180K–$480K full refresh; $450K–$1.0M heritage-grade.

On the ground in Botany (2019), the practical numbers shape every renovation. Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore) soil — extremely reactive clay — pushes engineered foundation work into the $45,000–$80,000 bracket on most 400–700m² blocks. R2 Low / R3 Medium (station precincts) / R4 (Wolli Creek, Mascot, Rockdale, Kogarah, Arncliffe high-rise) zoning under Bayside Council sets the building envelope, with R3 Medium Density pockets that open up dual occupancy options on qualifying lots. Median sale price across Botany sits at $1.7M–$2.6M, which frames the build-versus-buy decision from the start. Nearest rail is Bus to Mascot (T8, 2 km), and that proximity affects everything from rental demand to construction site access.

Buildana manages the complete home renovation process in Botany — 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 Botany from $100K
  • Bayside Council approvals managed (where required)
  • Kitchen, bathroom, and full-home renovations
  • 1910s–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 Bus to Mascot (T8, 2 km) station
Structural renovation in Botany — R2 Low / R3 Medium (station precincts) / R4 (Wolli Creek, Mascot, Rockdale, Kogarah, Arncliffe high-rise) block
OA

Reviewed by Oliver Alameri

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

Why Renovate in Botany?

Botany is the suburb between Mascot and Botany Bay — Federation cottages, inter-war heritage, post-war fibro/brick and contemporary on 400–700m² blocks. Heritage Conservation Areas in pockets including Botany village. Industrial-legacy contamination on remediated parcels around Port Botany. Botany Sands soil with elevated water table. ANIP flight-path overlays.

Botany sits in the Bayside local government area with 400–700m² residential blocks and R2 Low / R3 Medium (station precincts) / R4 (Wolli Creek, Mascot, Rockdale, Kogarah, Arncliffe high-rise) zoning. Building costs are around the Sydney metro average, balancing construction value with lifestyle and growth. Transport access via Bus to Mascot (T8, 2 km) connects Botany to the wider Sydney network. Renovating 1910s–1970s-era homes in Botany is a smart play when the structure is sound. Kitchen and bathroom upgrades typically return 60–80% of investment in added property value. Ground conditions (Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore)) across Botany are well understood by local builders — Buildana's engineering accounts for extremely reactive soil movement.

Renovation in Bayside is contemporary refresh across most of the LGA's post-war fibro/brick stock with heritage-grade restoration on Botany village, Bexley Federation streets, Rockdale heritage core, Mascot inter-war pockets and parts of Kogarah/Carlton. Asbestos universal pre-1990. Botany Sands soil drives suspended slab footing inspection, Class P/E re-piering on subsidence sites (Mascot, Botany, Eastlakes, Brighton-Le-Sands, Kyeemagh, Wolli Creek) and dewatering on basement renovations. ANIP flight-path overlays mandate sound-rated glazing replacement, mechanical ventilation upgrades and insulation upgrades on renovation scope under the Sydney Airport approach corridor — spec premium $20K–$50K standard. Coastal salt-grade specifications on Botany Bay foreshore renovations (Brighton-Le-Sands, Monterey, Ramsgate Beach, Sandringham, Sans Souci, Dolls Point). Industrial-legacy contamination clearance on Mascot, Botany, Wolli Creek, Eastlakes parcels. Apartment renovations dominant on Wolli Creek, Mascot, Rockdale, Kogarah, Arncliffe high-rise — restricted by strata bylaws, common-property approval and common-wall restrictions. Realistic budget $130K–$400K full house refresh inland; $400K–$950K Federation/inter-war heritage-grade restoration; $400K–$1.1M beachfront with salt-grade specs; $120K–$320K apartment-scale.

Planning Controls — Bayside Council

Bayside LEP 2021 (consolidating the legacy Botany Bay and Rockdale LEPs) & Bayside DCP. R2 Low Density covers most older streets: FSR 0.5–0.55:1, building height 8.5–9m, front setback 4.5–6m, landscaped area 35–45%. R3 Medium Density along Princes Highway, Forest Road, Rocky Point Road, The Grand Parade and around station precincts (Rockdale, Kogarah, Carlton, Bexley North, Banksia, Arncliffe, Mascot, Kingsgrove) permits FSR up to 0.9:1. R4 High Density and B4 Mixed Use concentrated on Wolli Creek (master-planned apartment precinct), Mascot, Rockdale town centre, Kogarah St George Hospital precinct, Arncliffe, Eastgardens around Westfield, and station-precinct overlays. Bayside DCP enforces 600m² R2 dual-occupancy minimum. Heritage Conservation Areas in pockets covering Botany village, Bexley Federation streets, Rockdale heritage core, Mascot inter-war pockets and parts of Kogarah/Carlton. Tree Preservation Order LGA-wide. Wianamatta Shale soil predominant inland; Botany Sands soil with elevated water table on the eastern half of the LGA (Mascot, Botany, Eastlakes, Eastgardens, Brighton-Le-Sands, Kyeemagh, Wolli Creek) requiring suspended slabs, Class P/E footings, and dewatering on basement excavations. Coastal salt-grade specifications mandatory across all Botany Bay foreshore builds (Brighton-Le-Sands, Monterey, Ramsgate Beach, Dolls Point, Sandringham, Sans Souci). Cooks River and Botany Bay foreshore riparian setbacks 10–40m. Foreshore Building Line restrictions on direct waterfront. Industrial-legacy contamination management protocols apply to remediated parcels in Mascot, Botany, Wolli Creek, Eastlakes (former industrial, brick pits, light industry, Port Botany adjacency). Aircraft Noise Insulation Project (ANIP) overlays are LGA-defining — the Sydney Airport flight path runs directly over Mascot, Kyeemagh, Wolli Creek, Arncliffe, Banksia, Brighton-Le-Sands, Botany, Eastlakes and parts of Tempe; ANIP-covered properties mandate sound-rated glazing, mechanical ventilation and insulation upgrades. WestConnex/M8 corridor through Arncliffe, Wolli Creek and Tempe defines the northern transport spine. Aboriginal cultural heritage protocols apply on parts of the Botany Bay and Cooks River foreshore (La Perouse, Kurnell adjacency).

Home renovation builder in Botany — key facts

Suburb
Botany, NSW 2019
Council / LGA
Bayside Council (Bayside)
Primary zoning
R2 Low / R3 Medium (station precincts) / R4 (Wolli Creek, Mascot, Rockdale, Kogarah, Arncliffe high-rise)
Typical lot size
400–700m²
Soil class
Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore)
Median house price
$1.7M–$2.6M
Home era
1910s–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 Botany — Local Context

Foundations & Slab Design for Botany

Botany's ground is extremely reactive clay (Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore)). On a 400–700m² block, that translates to engineered slab work in the $45,000–$80,000 bracket for a renovation. Double-check any quote that doesn't itemise the slab — 'slab as per engineering' usually means the builder will hit you with a variation once the soil report comes back. 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 Botany

Botany is zoned R2 Low / R3 Medium (station precincts) / R4 (Wolli Creek, Mascot, Rockdale, Kogarah, Arncliffe high-rise) with R3 Medium Density pockets. Bayside Council controls FSR, height limits (typically 8.5–9m), site coverage, landscaped area minimums, and setbacks. For a renovation, the binding constraints on most 400–700m² 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.

What a Renovation Costs in Botany

Botany's median house price sits at $1.7M–$2.6M. That's the number that decides whether a renovation stacks up financially. If you're spending more than 50% of $1.7M–$2.6M on a renovation, the economics tilt toward extension instead. Worth running the numbers properly before locking in scope. Buildana provides itemised quotes — no provisional sums, no allowances, no "as per engineering" line items.

Lifestyle Fit in Botany

Botany has a settled residential character. Bus to Mascot (T8, 2 km) from the nearest station. Local landmark: Botany village & Sir Joseph Banks Park. For families renovating 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.

Why Some Botany Builds Stall

Builds in Botany stall for predictable reasons. Lodgement defects (missing BASIX, wrong drawing scale, undeclared overlays). Soil surprises on Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore) 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. Bayside 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 Botany

First question on any Botany renovation: is the structure worth renovating? 1910s–1970s homes vary — some have good bones and need cosmetic lift, others are carrying termite damage, sagging floors, or obsolete wiring that makes deep renovation worse value than KDR. We do a structural inspection before quoting, not after the contract.

Botany median ($1.7M–$2.6M) supports renovation spend up to about 20% of property value before you're over-capitalising. That's a rough ceiling — $160K–$250K on a $1M home, $200K–$350K on a $1.5M home. Above that, a KDR often makes more sense than doubling down on renovation.

Botany vs Nearby Suburbs

Botany vs nearby suburbs — key metrics for renovating.

SuburbMedian PriceTypical LotSoil ClassEraStation
Botany2019this suburb$1.7M–$2.6M400–700m²Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore)1910s–1970sBus to Mascot (T8, 2 km)
Mascot2020$1.5M–$2.3M300–600m²Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore)1940s–1970s + apartment towersMascot (T8, in suburb)
Pagewood2035$1.8M–$2.8M400–650m²Class M (sandstone ridges) / H–E (cliff fall on coast)1950s–2000sLight Rail Kingsford (4 km)
Eastgardens2036$1.7M–$2.6M400–700m²Class M (Wianamatta Shale + Botany Sands) / Class P/E (alluvial near Cooks River + Botany Bay foreshore)1950s–1980s + apartmentsBus to Mascot (T8, 4 km)

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.

Have a question about your project?

Talk to our team — free site assessment and fixed-price quote.

Structural engineering for any wall removal — steel beams to AS 4100
Load path verified back to footings before any structural change
Waterproofing to AS 3740 (internal wet areas) and AS 4654 (external)
Electrical rewire or partial upgrade to AS/NZS 3000 — older Botany circuits often need compliance uplift
Plumbing rough-in relocation with AS 3500 sign-off by licensed plumber
Wet area substrate verification — fibre cement or compressed sheet, not plasterboard
Glazing upgrade to NCC Part 3.12.2 where envelope is touched
Smoke alarms hardwired and interconnected per NSW Building Regulation

How It Works

From First Call to Final Key

We bring our trade leads (electrical, plumbing, structural) on the first visit when scope warrants it. They check what's behind the walls and the floor, which is where the real cost variation sits.

We design the renovation around how you use your home — kitchen layout, bathroom placement, storage, lighting, and flow between rooms. Material and colour selections with our design consultant.

The approval-or-not question hinges on whether walls move, openings change in external walls, wet areas relocate, or load-bearing structure is altered. Buildana checks the scope against Bayside Council's exempt and complying development tests on day one — no late-stage approval surprises.

Renovation works completed room by room where possible — kitchen, bathrooms, living areas. Staged approach minimises disruption.

Renovation complete — final clean, defect inspection, and handover. Warranty covers all work (6-year structural, 2-year non-structural).

Quality Promise

Botany renovation specialists: we plan around liveability. Staged works, weatherproofing, realistic timelines — not optimistic ones.

Fixed-price renovation contractNCC 2025 compliant (structural work)Bayside Council compliance where requiredAsbestos assessment and licensed removalWeekly progress updates6-year structural warranty (structural work)

Cost Guide

ItemEstimated Range
Pre-sale refresh (Botany median lift)$29,000 – $100,000
Post-purchase renovation (bringing up to liveable)$78,000 – $240,000
Modernising a tired kitchen/bathroom$49,000 – $130,000
1910s–1970s home — full liveability upgrade$190,000 – $440,000
Rental-prep renovation (neutral spec)$39,000 – $110,000

Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.

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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