5.0 ★ (23 reviews)
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About The Refinery Studio
The Refinery Studio is a semi-private training space in Castle Hill that has quickly earned a reputation as one of the area's standout gyms. Members consistently describe it as the best gym experience they have had, pointing to immaculately clean, beautifully designed facilities and a team that is genuinely supportive and approachable. The studio deliberately keeps things intimate and capped in capacity, creating a calm, focused environment where you can train without the crowds or intimidation of a big-box gym. Founded and headed by a coach with a background spanning competitive boxing, powerlifting and endurance training, the studio brings real depth of expertise to its semi-private sessions and personal training.
Despite a compact footprint, members are quick to note it has everything needed and more, with attention to detail evident throughout. Boxing sessions are a particular favourite, described as both fun and challenging. For those in the Hills District seeking a private, premium and welcoming place to train seriously, The Refinery Studio offers a refined alternative built around quality coaching, a pristine setting and a community that genuinely looks out for one another.
Classes & Programs
Semi-private gym sessionsPersonal trainingBoxing sessionsStrength training
Trainers & Coaches
Nathan Merlino Founder and Head Coach
Facilities & Amenities
Cable machine Free weights Squat rack Bench press Treadmill Rowing machine Boxing bags Kettlebells Leg press Premium bathrooms Capped-capacity semi-private space
Who It's For
Those wanting a quiet, semi-private gymBeginners and experienced liftersCouples training togetherPeople seeking personalised coaching
Membership & Pricing
1 Session Single introductory session.
3 Sessions Introductory session pack.
10 Sessions Described as the studio's most popular pack.
No lock-in No lock-in contracts, no sign-up fees and pay-as-you-go flexibility.
* Prices from the studio's website and may change — confirm before joining.
Location
Frequently Asked Questions
Is this a 24/7 gym? +
No. The Refinery Studio is a staffed, semi-private studio rather than a 24/7 access gym.
Do I have to sign a contract? +
No. There are no lock-in contracts and no sign-up fees, with pay-as-you-go session packs available.
Can I buy a single session to try it? +
Yes. A single introductory session is offered, along with 3-session and 10-session packs.
Is it suitable if I prefer to avoid crowded gyms? +
Yes. The studio is semi-private with capped capacity, giving a quiet, focused space that members describe as safe and uncrowded.
Pricing Information
Contact for pricing
Contact for pricing
Estimated starting price
• Pricing varies by plan and commitment
• Casual day passes often available
• Ask about free trials and student rates
Gym Information
Location Type
N/A
Style
strength training
Google Rating
5.0 ★
Location
NSW
What to Know
- Arrive 10–15 min early on your first visit
- Bring a towel, water bottle and clean shoes
- Check timetables and book classes ahead
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Gyms in Sydney
The Refinery Studio is one of NSW's fitness studios, offering professional training services for all fitness levels. Located in Unit 27/22 Hudson Ave, Castle Hill NSW 2154, Australia, this studio provides high-quality training and fitness services for both beginners and experienced athletes.
As part of the Sydney fitness community, The Refinery Studio contributes to the local fitness scene. Whether you're looking for personal training, group classes, or specialist coaching, this studio offers a professional and welcoming environment for your next workout.