Motorhome - Storage Tents

We have a Bessacarr E572. Its great but in wet weather its difficult to enter then remove your boots/shoes and wet weather coat/trousers. We also have outside furniture, table chairs etc. We thought the Isabella Space Deluxe was worth looking at. Has anybody got one? If so is it easy to use? Can anybody let us know what its size is when pack into its storage bag? This tent will provide space of 220 x 150cms and weighs 33.5Kgs. It would mean we could leave our furniture outside and it will reduce the need to keep packing these items away. Muddy boots/shoes can be changed and wet coats can be removed before entering the van. Are we barking up the wrong tree or would this be a useful addition to our kit?