Welcome to In House Studio Fitness


Forget going to a boring gym. Here at In House Studio Fitness we help you get fit, strong and healthy while you have fun. 

Be a part of a close knit and relaxed group of people who also want to make a change and invest in their health and fitness. Our clients love our group training sessions and if you join us, we know you’ll love them too!

Come along for a free trial at our fitness studio in Mulgrave. 


Why Join In House Studio Fitness


Group Training

We mix it up at our group classes. Our program suits all fitness levels. 

Variety is key to keeping every session fun and interesting. We offer boxing, strength training, cardio, circuit and more. Come along to experience the In House Studio Fitness. 

Personal Training

It's all about you! We can work together towards your personal fitness goals.

Starting from as little as $40, my personal training sessions are designed for you and tailored to reach your fitness goals.


Like a challenge? Our 5 week program guarantees results!

Our bootcamp program is the quickest, easiest and most fun way to jump start your fitness regime.

Fat Loss 

You are what you eat. Learn strategies to develop a healthy balanced diet. 

Our 6 week Fat Loss Program  is all about learning new ways to develop and maintain a healthy balanced diet and lifestyle, for your overall well being.


Hi, Im Cathy Grech. I started In House Studio Fitness more than 12 years ago to provide a fresh new way of getting fit and having fun.

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Want to get fit, strong and healthy while you have fun?At In House Studio Fitness we e put the fun back into group and personal fitness! Claim a week's worth of classes for free...

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