
Duplex Builder Glenmore Park — From $750K Fixed Price
Fixed-price duplex construction in Glenmore Park 2745. Two dwellings, one contract, no variations. Minimum lot 450m² under Penrith DCP 2014 (lower than most LGAs). Free feasibility.
Glenmore Park Duplex Construction
Glenmore Park in City of Penrith offers strong duplex development potential with R2 Low Density predominant / R3 Medium Density on Penrith CBD/St Marys CBD/Kingswood/Werrington station precincts / R4 (Penrith CBD high-rise zone) zoning and typical lot sizes of 450–700m². R3 zones have established dual occupancy provisions, and many 1990s–2010s brick + premium contemporary-era blocks exceed the minimum 450m² under Penrith DCP 2014 (lower than most LGAs) required for duplex development. Penrith City Council manages DAs and CDCs for Glenmore Park, and Buildana has deep experience navigating their requirements for duplex construction across City of Penrith.
For a duplex in Glenmore Park, the economics are the framing question. Median price $1.0M–$1.6M premium master-planned; build cost on 450–700m² blocks scales by site conditions and specification. Class M (Wianamatta Shale predominant) / Class P/E (Hawkesbury–Nepean alluvial corridor on Cranebrook/Castlereagh/Emu Plains/Penrith Lakes; flood planning controls under Penrith DCP 2014) / industrial-legacy contamination overlays on Werrington/St Marys legacy precincts 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 Glenmore Park opens up dual occupancy potential — worth exploring even if you're not initially considering it.
Buildana manages the full duplex development process in Glenmore Park — from feasibility assessment and architectural design through to DA or CDC approval, and fixed-price construction to dual handover. One builder, one contract, two homes.
Read our Complete Duplex Building Guide or explore duplex developments across Sydney.
- Dual occupancy in Glenmore Park from $750K
- Penrith City Council DA and CDC approvals managed
- R2 and R3 zones — established dual occ. provisions
- Minimum lot size 450m² under Penrith DCP 2014 (lower than most LGAs) in Glenmore Park
- Class M (Wianamatta Shale predominant) / Class P/E (Hawkesbury–Nepean alluvial corridor on Cranebrook/Castlereagh/Emu Plains/Penrith Lakes; flood planning controls under Penrith DCP 2014) / industrial-legacy contamination overlays on Werrington/St Marys legacy precincts soil — engineered dual-slab design included
- Strata or Torrens title subdivision available
- 6-year structural warranty per dwelling
- Free feasibility check — near Penrith (5 km) station

Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Why Build a Duplex in Glenmore Park?
Glenmore Park is the master-planned premium suburb of the LGA — 1990s–2010s brick on 450–700m² R2 blocks with quality estates (Glenmore Park Stage 2, Mulgoa Rise) and proximity to Mulgoa Road and the M4. Family-heavy demographic with strong school catchments. Wianamatta Shale on the ridge.
Glenmore Park's mix of 1990s–2010s brick + premium contemporary-era housing on 450–700m² blocks creates strong opportunity for property improvement. Median prices of $1.0M–$1.6M premium master-planned support quality build investment. Transport access via Penrith (5 km) connects Glenmore Park to the wider Sydney network. Dual occupancy is well-established in Glenmore Park's R3 zones. Minimum lot size for duplex: 450m² under Penrith DCP 2014 (lower than most LGAs). Soil conditions in Glenmore Park (Class M (Wianamatta Shale predominant) / Class P/E (Hawkesbury–Nepean alluvial corridor on Cranebrook/Castlereagh/Emu Plains/Penrith Lakes; flood planning controls under Penrith DCP 2014) / industrial-legacy contamination overlays on Werrington/St Marys legacy precincts, extremely reactive) are factored into every Buildana foundation design.
Duplex builder in Glenmore Park — key facts
- Suburb
- Glenmore Park, NSW 2745
- Council / LGA
- Penrith City Council (City of Penrith)
- Primary zoning
- R2 Low Density predominant / R3 Medium Density on Penrith CBD/St Marys CBD/Kingswood/Werrington station precincts / R4 (Penrith CBD high-rise zone)
- Typical lot size
- 450–700m²
- Soil class
- Class M (Wianamatta Shale predominant) / Class P/E (Hawkesbury–Nepean alluvial corridor on Cranebrook/Castlereagh/Emu Plains/Penrith Lakes; flood planning controls under Penrith DCP 2014) / industrial-legacy contamination overlays on Werrington/St Marys legacy precincts
- Median house price
- $1.0M–$1.6M premium master-planned
- Home era
- 1990s–2010s brick + premium contemporary
- Typical price range
- $750,000 – $1,500,000+
- Typical timeline
- 14–22 months design to handover
- Approval pathway
- CDC for compliant dual-occupancy, else DA
Building in Glenmore Park — Local Context
Glenmore Park Block Realities
Typical Glenmore Park blocks are 450–700m² on Class M (Wianamatta Shale predominant) / Class P/E (Hawkesbury–Nepean alluvial corridor on Cranebrook/Castlereagh/Emu Plains/Penrith Lakes; flood planning controls under Penrith DCP 2014) / industrial-legacy contamination overlays on Werrington/St Marys legacy precincts ground (extremely reactive clay). For a duplex, the structural envelope is more constrained than the headline lot size suggests — once you subtract setbacks, easements, landscaped area requirements, and any tree preservation, the actual buildable area is usually 35-45% of the block. We map that early in the feasibility stage so you're designing to what's actually allowed, not what looks possible from the title plan. Foundation cost band on most Glenmore Park blocks: $45,000–$80,000.
City of Penrith Planning Context
City of Penrith has its own LEP and DCP layered over State planning controls. For building a duplex in Glenmore Park, the practical impact: Penrith City Council's DCP sets local rules for streetscape character, materials palette in some precincts, vehicle crossover widths, and tree retention. R2 Low Density predominant / R3 Medium Density on Penrith CBD/St Marys CBD/Kingswood/Werrington station precincts / R4 (Penrith CBD high-rise zone) zoning on most Glenmore Park blocks permits dual occupancy subject to lot size (450m² under Penrith DCP 2014 (lower than most LGAs) minimum) and frontage. Buildana checks every overlay (heritage, bushfire, flood, acid sulfate soil, biodiversity) before quoting.
Realistic Budget for Glenmore Park
For a duplex development in Glenmore Park, 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 (Wianamatta Shale predominant) / Class P/E (Hawkesbury–Nepean alluvial corridor on Cranebrook/Castlereagh/Emu Plains/Penrith Lakes; flood planning controls under Penrith DCP 2014) / industrial-legacy contamination overlays on Werrington/St Marys legacy precincts 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 duplex that complies with NCC 2025 on a 450–700m² block in Glenmore Park.
Glenmore Park Housing Stock & What That Means
Most homes in Glenmore Park were built 1990s–2010s brick + premium contemporary. Modern homes in this era generally have no asbestos, though survey is still standard before any major works.
Penrith City Council Processing & Glenmore Park Activity
Penrith City Council processes thousands of residential applications a year across the City of Penrith LGA, and Glenmore Park (2745) sits in the active end of that workload. For a duplex development, the realistic clock from lodgement to DA determination is 8-14 weeks. The applications that move to the front of the queue are the ones where every required document is correctly named, drawn to scale, and matched against the SEPP or LEP clause it's claiming compliance with. Buildana lodges every project at that standard — not because it's required, but because it's how you avoid sitting in the RFI loop for an extra month.
Builder's Take on Glenmore Park
The real edge on Glenmore Park duplex projects is sequencing. Two slabs on one pour, two frames standing up the same week, two sets of trades rolling in convoy. If each dwelling is treated as a separate build, the programme blows out by 8–12 weeks. We build them as one job.
On a duplex, the acoustic party wall is where corners get cut. In Glenmore Park, where residential streets are quieter, bad acoustic separation between dwellings kills resale. NCC Vol 2 Part 2.7 mandates Rw 50 — Buildana builds to Rw 55 as standard, with staggered studs and mass-loaded vinyl.
Glenmore Park vs Nearby Suburbs
Glenmore Park vs nearby suburbs — key metrics for building a duplex.
| Suburb | Median Price | Typical Lot | Soil Class | Min Duplex Lot | Station |
|---|---|---|---|---|---|
| Glenmore Park2745this suburb | $1.0M–$1.6M premium master-planned | 450–700m² | Class M (Wianamatta Shale predominant) / Class P/E (Hawkesbury–Nepean alluvial corridor on Cranebrook/Castlereagh/Emu Plains/Penrith Lakes; flood planning controls under Penrith DCP 2014) / industrial-legacy contamination overlays on Werrington/St Marys legacy precincts | 450m² under Penrith DCP 2014 (lower than most LGAs) | Penrith (5 km) |
| South Penrith2750 | $850K–$1.3M typical; $1.0M–$1.6M Glenmore Park/Jordan Springs premium master-planned; $1.6M–$3.0M+ Mulgoa/Wallacia/Castlereagh acreage | 450–750m² typical (Cranebrook/Werrington/Cambridge Park/Kingswood/St Marys); 250–450m² master-planned (Jordan Springs/Caddens/Glenmore Park new release) | Class M (Wianamatta Shale predominant) / Class P/E (Hawkesbury–Nepean alluvial corridor on Cranebrook/Castlereagh/Emu Plains/Penrith Lakes; flood planning controls under Penrith DCP 2014) / industrial-legacy contamination overlays on Werrington/St Marys legacy precincts | 450m² under Penrith DCP 2014 (lower than most LGAs) | Penrith (2 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?
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Quality Promise
Our Glenmore Park duplex projects run from feasibility to subdivision under one builder. Fixed price, dual handover, full compliance.
How It Works
From First Call to Final Key
We assess your Glenmore Park block — lot size (typical 450–700m²), width, R2 Low Density predominant / R3 Medium Density on Penrith CBD/St Marys CBD/Kingswood/Werrington station precincts / R4 (Penrith CBD high-rise zone) zoning, setbacks, FSR, landscaped area requirements under Penrith City Council's LEP and DCP. Minimum lot for duplex: 450m² under Penrith DCP 2014 (lower than most LGAs).
⏱Design phase covers unit layout, access, parking, private open space, and waste management for dual occupancy on your Glenmore Park site. You approve final plans before we move to lodgement.
⏱Duplex approvals get scrutinised harder than single dwellings — neighbour notification, overshadowing, privacy, traffic, waste. Our SEE addresses each on the front foot rather than reactively.
⏱Fixed-price construction of both dwellings from slab to keys. Class M (Wianamatta Shale predominant) / Class P/E (Hawkesbury–Nepean alluvial corridor on Cranebrook/Castlereagh/Emu Plains/Penrith Lakes; flood planning controls under Penrith DCP 2014) / industrial-legacy contamination overlays on Werrington/St Marys legacy precincts engineered footings, frame, lock-up, internal fit-out, and external works.
⏱Subdivision registration starts in parallel with final fitout so titles issue close to handover, not 6 months after. Buildana coordinates the surveyor and Penrith City Council clearance — important if you're planning to sell one side immediately to fund the next move.
⏱Our Team
Oliver Alameri
Founder / Director / Builder · MPropDev · PhD Student
Ahmad Alameri
Accounts Manager
Claire Wendell
Project Manager
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Free duplex feasibility assessment for Glenmore Park 2745. We'll check your block, estimate yield, and provide a fixed-price budget.
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