Duplex Development in Bankstown's TOD Precinct: Metro Rail Changes Everything

The Sydney Metro City and Southwest extension is converting the existing T3 Bankstown Line to metro rail, with stations from Sydenham to Bankstown. This transformation triggers Transit-Oriented Development (TOD) zoning changes around stations — creating significant opportunities for duplex and medium-density development in Canterbury-Bankstown LGA.

The NSW Government's TOD SEPP (State Environmental Planning Policy) aims to increase housing density within 400–800 metres of metro stations. For property investors and developers, this means duplex development in previously low-density zones may become permissible — and highly profitable.

This guide covers the TOD precinct boundaries, zoning changes, duplex development rules, affected suburbs, costs, and investment strategy for building near Bankstown Metro stations.

Which Stations and Suburbs Are Affected?

The Sydney Metro City and Southwest line will have the following stations in Canterbury-Bankstown LGA, each with a TOD precinct:

**Canterbury Station** • 400m radius: Canterbury, parts of Campsie • Currently R2/R3/B4 mixed zoning • TOD changes: Increased height limits and FSR for residential flat buildings and medium density • Duplex opportunity: R3 land within 400–800m gaining increased FSR

**Hurlstone Park Station** • 400m radius: Hurlstone Park, parts of Canterbury • TOD changes: Medium density uplift expected

**Campsie Station** • 400m radius: Campsie centre, parts of Canterbury and Belmore • Currently major commercial centre with R3 surrounding • TOD changes: Significant height and density increases planned • Duplex opportunity: Excellent R3 parcels within walking distance

**Belmore Station** • 400m radius: Belmore, parts of Lakemba • Currently R2/R3 mix • TOD changes: Density uplift on R3 land • Duplex opportunity: Strong — older R3 houses ideal for KDR dual-occ

**Lakemba Station** • 400m radius: Lakemba centre • TOD changes: Mixed-use and medium density increases

**Wiley Park Station** • 400m radius: Wiley Park, parts of Lakemba • Currently R2/R3 • Duplex opportunity: Moderate — some R3 parcels available

**Punchbowl Station** • 400m radius: Punchbowl • Currently R2/R3 mix • TOD changes: Increased density permissible • Duplex opportunity: Good — R3 land with larger block sizes

**Bankstown Station** • 400m radius: Bankstown CBD and surrounds • Currently B4/R3/R4 mix • TOD changes: Major transformation — significant height and density increases • Duplex opportunity: Excellent in the 400–800m ring where R3 land remains

**Important note:** The exact TOD precinct boundaries and uplift provisions are subject to finalisation by the NSW Department of Planning. Zoning changes may differ from initial proposals. Always verify current zoning before purchasing. Buildana can help assess specific sites for TOD development potential.

TOD Zoning Changes: What They Mean for Duplex Builders

The TOD SEPP introduces several changes relevant to duplex development:

**Within 400m of stations:** • Increased maximum building heights (typically 21–27m for residential) • Increased FSR (up to 3:1 in some precincts) • Residential flat buildings and shop-top housing encouraged • While full apartment blocks are the primary target, dual occupancy on smaller or irregular lots remains viable

**Within 400–800m of stations:** • More moderate density increases • R3 zones gaining increased FSR (from 0.5:1 to potentially 0.65–0.75:1) • Dual occupancy and manor houses particularly encouraged in this ring • Potential for 3-storey townhouse-style duplexes

**What this means for duplex development:** • Increased FSR = larger builds on the same lot size • More total GFA = more bedrooms, better rental returns, higher sale prices • Government actively encouraging medium density = smoother DA process • Land values increasing as market prices in TOD uplift = buy now before prices peak

**Key planning provisions for duplexes in TOD precincts:** • Minimum lot sizes may be reduced from 600sqm to 450–500sqm for dual occupancy • Height limits for dual occupancy may increase from 8.5m to 9.5m • Landscaping requirements may be adjusted (30% instead of 35%) • Parking rates may be reduced for infill sites near metro stations

These changes make previously marginal sites viable for duplex development. A 500sqm R3 lot that was too small for a quality duplex under the old 600sqm minimum could become a viable development site under the TOD SEPP.

Duplex Development Costs in TOD Precincts

Building a duplex in a Canterbury-Bankstown TOD precinct involves these costs:

**Land acquisition:** • R3 land within 400m of station: $1,000,000 – $1,800,000 for 450–700sqm • R3 land within 400–800m: $800,000 – $1,300,000 for 450–700sqm • R3 land beyond 800m: $700,000 – $1,000,000 for 500–700sqm

**Construction costs:** • Attached duplex (2 x 3-bed, 130–150sqm each): $700,000 – $1,000,000 • Detached duplex (2 x 3-bed, 110–130sqm each): $650,000 – $900,000 • Premium duplex (2 x 4-bed, 150–180sqm each): $950,000 – $1,300,000 • 3-storey townhouse-style duplex: $900,000 – $1,200,000

**Project costs:** • Demolition: $15,000 – $30,000 (asbestos adds $5,000 – $15,000) • Design and DA: $25,000 – $40,000 • Section 7.11 contributions: $20,000 – $40,000 per dwelling • Torrens title subdivision: $15,000 – $25,000 • Strata subdivision (if attached): $10,000 – $15,000

**Returns — TOD premium:** • Rental per dwelling: $550 – $800/week (metro proximity commands 10–15% rental premium) • Combined annual rental: $57,000 – $83,000 • Sale value per dwelling: $750,000 – $1,100,000 • Capital growth: 8–15% annually during metro construction and first 3 years of operation

The key advantage of building in a TOD precinct is the metro proximity premium — both tenants and buyers pay more for walkable access to rapid transit. This premium is well-documented globally and typically ranges from 10–20% above comparable properties outside the walking catchment.

Investment Strategy and Timeline

The optimal strategy for duplex development in Bankstown's TOD precinct:

**Phase 1 — Acquire now (2025–2026):** Buy R3 land within 400–800m of a metro station in Bankstown, Campsie, Canterbury, Belmore, or Punchbowl. Focus on older single-storey homes on 500sqm+ lots. Current prices reflect some TOD uplift but the full premium hasn't been priced in yet.

Target suburbs ranked by duplex potential: 1. Bankstown — largest precinct, most R3 land, strongest rental demand 2. Campsie — excellent R3 stock, strong commercial centre 3. Canterbury — good R3 parcels, heritage areas to avoid 4. Belmore — affordable R3 land, good block sizes 5. Punchbowl — larger blocks, competitive pricing

**Phase 2 — Design and approve (2026):** Get DA approved before the TOD SEPP is fully gazetted — early movers may benefit from streamlined assessment processes. The new FSR and height provisions could allow larger builds than previously permitted.

**Phase 3 — Build (2026–2027):** Construct while metro is being completed. Having a finished duplex when the metro opens maximises the rental and sale premium.

**Phase 4 — Hold or sell (2027+):** Once the metro is operational, TOD precincts typically see peak price growth in years 1–5. Hold for rental income or sell for maximum capital gain.

**Risk factors:** • TOD SEPP provisions may change before gazettal • Construction delays on the metro itself • Market conditions — interest rate changes affecting property values • Canterbury-Bankstown Council may impose additional local controls

**Bottom line:** Duplex development in Bankstown's TOD precincts is one of the strongest investment plays in Sydney right now. The combination of government-mandated density uplift, metro rail infrastructure, and strong underlying demand creates a compelling case for building.

Buildana has deep Canterbury-Bankstown council expertise and has built multiple duplexes across the LGA. We provide end-to-end services — from TOD site assessment and feasibility through design, DA, construction, and subdivision. Call 0476 300 300 for a free TOD duplex feasibility assessment.

Buildana builds across Sydney. Visit /duplex/duplex-developments to learn more or /advisory/development-feasibility to discuss your project.