Standard Plan
Visits: Up to 35k per month
Storage: Up to 5GB
Bandwidth: Up to 50GB per month

Professional Plan
Visits: Up to 50k per month
Storage: Up to 10GB
Bandwidth: Up to 100GB per month

Enterprise Plan
Visits: Up to 100k per month
Storage: Up to 15GB
Bandwidth: Up to 200GB per month

Growth Plan
Visits: Up to 150k per month
Storage: Up to 20GB
Bandwidth: Up to 200GB per month

Addons:
Visits: You may purchase additional visits as an addon to your existing plan at the cost of £10/month per 10,000 visits/month.
Storage: For extra storage (should not be needed for most sites), please contact us.
Bandwidth: Extra bandwidth should not be required if your site is well optimised, but if needed, we will discuss additional costs with you.

See FAQ: Why is there limits for visits and storage for the hosting services provided?