20 Walsh Ave, Castle Hill is a bedroom, bathroom House. The property has a land size of 807m2 and floor size of 130m2. While the property is not currently for sale or for rent, it was last sold in June 2025. There are other bedroom House sold in Castle Hill in the last 12 months.
Capturing an elevated treetop outlook, this dual-level residence, located in the highly sought-after Castlewood Estate, delivers a wonderful lifestyle with convenience. Set on 807 sqm on a corner block, it is framed by lush landscaping with a sparkling inground pool. Adding to its appeal, this quiet cul-de-sac setting is just moments from Metro transport and Castle Towers.
Beautifully updated, the home opens to a versatile and free-flowing floor plan catering for comfort and relaxation. Enjoy a choice of living and dining areas with a bonus upper rumpus/library area. Designed for easy entertaining, there is a seamless connection outdoors to an expansive hardwood deck. Overlooking sun-drenched gardens, this is the perfect setting for year-round alfresco dining.
This treasured property offers a unique opportunity to create the lifestyle you've always dreamed of for your family. Only a short drive to the hub of Castle Hill, it provides a quiet sanctuary within moments of schools, shops and transport. Zoned for popular schools, be prepared to be spoiled for choice with an array of local restaurants, cafes and parklands almost on your doorstep.
- Double-storey brick home on 807sqm on the high side of the street
- Impeccably presented, offered for the first time in almost 30 years
- Contemporary finishes with timber floors and plantation shutters
- Formal lounge and dining area, family area and upper rumpus
- Granite-topped kitchen with quality appliances and pantry storage
- Superb outdoor flow to an expansive deck fitted with roll-down blinds
- Low maintenance gardens, paved side courtyard, wide side access
- Bedrooms with plantation shutters, carpet, fans, built-in wardrobes
- Master retreat includes walk-through wardrobes to updated ensuite
- Good-sized laundry, double stairs powder room, renovated family bathroom
- Internal access to double garage, split systems air-conditioning
Schools & Transport
- Zoned for Castle Hill Public School, close to St Bernadette's Primary
- Close to Oakhill College, Gilroy College and The Hills Grammar School
- Five-minute drive to Castle Hill Metro with direct Sydney CBD access
- Easy access to Castle Towers (2km) and Norwest Business Park (6.9km)
The size of Castle Hill is approximately 18.9 square kilometres. It has 68 parks covering nearly 12.1% of total area. The population of Castle Hill in 2016 was 39594 people. By 2021 the population was 40874 showing a population growth of 3.2% in the area during that time. The predominant age group in Castle Hill is 40-49 years. Households in Castle Hill are primarily couples with children and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Castle Hill work in a professional occupation.In 2021, 72.40% of the homes in Castle Hill were owner-occupied compared with 74.50% in 2016.
Castle Hill has 19,793 properties. Over the last 5 years, Houses in Castle Hill have seen a 58.85% increase in median value, while Units have seen a 15.04% increase. As at 31 December 2025:
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