Cross-fit gyms don’t differ much from regular gyms regarding their insurance requirements and cost. However, due to cross-fit still being somewhat of a niche activity, many cross-fit gyms tend to be smaller and have less equipment than established commercial gyms.The size of your business is a key factor in your insurance being priced, so having a larger business will inevitably cost more than a smaller one. Gym owners typically pay around £25 per month for insurance, but this amount can vary according to several factors.