39 Gilmour Street, Colyton NSW 2760
3 Bedroom Brick House! | 652sqm of Land!
Originally part of the 1819 land grant to William Minchin, the area remained rural for over a century. Significant residential subdivision occurred in the 1960s and 1970s to accommodate Sydney's westward expansion. It has evolved from a dairy farming district into a core residential suburb of the Penrith LGA.
Colyton is characterized by quiet, wide streets and a mix of original mid-century brick homes and newer dual-occupancy developments. It maintains a strong family-oriented atmosphere with a high proportion of long-term residents.
How this suburb feels day-to-day.
Dominant dwelling stock.
Typical entry to ceiling.
Colyton represents the 'middle ring' of Western Sydney's growth corridor. As St Marys evolves into a major transport interchange, Colyton serves as the primary low-density residential support zone, making it a high-conviction area for long-term capital growth.
$880k – $1.25m
$580k – $720k
12-month movement
Current asking rents
Prices have shown resilience despite interest rate cycles, underpinned by the lack of new detached housing supply in the immediate area.
Price comparison
Median price ÷ median income
Estimated rental yield
While prices have risen, Colyton remains one of the last pockets in Sydney where a detached house on a full block can be secured for under $1 million.
Lower = tighter market
Avg time on market
Annual rental increase
Young families and logistics workers employed in the nearby Erskine Park and St Marys industrial zones.
Extremely tight vacancy rates and the potential for dual-income streams (granny flats) make this a preferred destination for yield-focused investors.
The outlook is bullish. As the Western Sydney Aerotropolis becomes operational, Colyton's position as a well-connected residential hub will likely lead to sustained outperformance of the broader Sydney market.
vs last 12 months
Relative comparison
Focus on properties with secure fencing and modern security systems. Review the NSW Bureau of Crime Statistics (BOCSAR) maps for specific street-level data.
Environmental risks are the primary concern, specifically related to the Ropes Creek catchment and localized drainage issues.
Significant areas are identified as flood-prone or subject to overland flow. Section 10.7 certificates are essential for every purchase.
Low risk, primarily limited to the immediate vegetation corridor along Ropes Creek.
Premiums can be significantly higher for properties within the flood overlay; obtain quotes during the cooling-off period.
Flood Related Development Controls, Minimum Lot Size (550sqm)
Streets adjacent to the St Marys border and those with dual-frontage potential.
Zoning currently protects the low-density feel, but future 'missing middle' housing policies may allow for more townhouses.
Bus-reliant within the suburb; excellent regional road access via M4 and Great Western Highway.
Basic local shopping strips; close to major hubs like St Marys Village and Westfield Mt Druitt.
Good access to Kevin Dwyer Park and the Ropes Creek walking trails.
Home to Colyton Public School and Colyton High School; Bennett Road Public is also highly utilized.
Served by Nepean Hospital (approx. 15 mins) and Mt Druitt Hospital (approx. 10 mins).
A diverse, working-class community with a high proportion of families and increasing professional migration.
The young median age suggests long-term stability and continued demand for family-sized housing and local schools.
The suburb is indirectly transformed by massive infrastructure spend in the surrounding precinct.
Residents value the suburb for its peace and quiet and the sense of space, though many express a desire for better local shops and more frequent buses.
It's a great place to raise kids; the streets are wide and our neighbors actually know each other.
We couldn't afford Penrith, but Colyton gave us a big backyard for the dog and a solid house we can renovate.
The rental demand here is relentless. I've never had a vacancy longer than a week.
The drive to St Marys station is short, but finding a parking spot there is a nightmare every morning.
Being right next to the M4 is perfect for work, I can get to jobs in Parramatta or Penrith easily.
It's quiet, but I wish we had a better local cafe or a proper supermarket within walking distance.
Position the property as a 'strategic land hold' with immediate family livability. Emphasize the future infrastructure benefits of the Western Sydney Airport rail link.
High-yield strategy involving the purchase of an older house on 600sqm+ followed by the construction of a 2-bedroom granny flat.
Over-capitalizing on renovations in a market that primarily values land and utility.
Quiet streets and plenty of space for families and pets.
Limited late-night public transport options.
Ensure all smoke alarms and pool fences (if applicable) meet the latest NSW safety standards.
Focus on 'Future-Proofing' and 'Land Value' rather than just the current dwelling.
First home buyers from the Inner West/Parramatta and yield-seeking borderless investors.
This report is based on projected data and historical trends as of March 2026. It does not constitute financial or legal advice. Buyers should conduct their own independent investigations and consult with qualified professionals before making any property purchase.
Now
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3 Bedroom Brick House! | 652sqm of Land!
STUNNINGLY RENOVATED FAMILY HOME IN A GREAT POSITION
Auction
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