The garden is also impressive and will eventually include a hot tub, sauna and an ice room.
He told his followers: “Hot tub, hot sauna then ice-cold bath for the rehab to take care of my body because I smash it too much.
“I need somewhere to come and relax in between all the training I do.”
The fitness star has reportedly already started working on new decking for the sauna.
The hot tub will be able to fit six people in it.
Joe said in a video: “It’s like a swimming pool it’s massive.
“It’s got speakers in the side, so I’m gonna be blasting a bit of Dr Dre.