Have you been in touch with your local authority? They may have rules as to what you can have. There is quite a bit of info on Google re your situation but maybe someone on here has faced a similar situation.
5 acres, Ferguson 35X and implements, Hanmay pto shredder, BMW Z3, Countax ride on mower, chooks, Dorper and Wiltshire sheep. Bosky wood burning central heating stove and radiators. Retro caravan. Growing our own food and preserving it. Small vineyard, crap wine.