We have reserved 15 rooms with a 10% discount at the reception venue. Call them to book ASAP as they will release the rooms on general sale 6 weeks before the wedding.
There are loads of other loveley places to stay that are fairly close to both church and reception venue:
Peel Hay Country House
Twelfth Man Hotel Greasby (Premier Inn)
Kings Gap Court Hotel (Holiday Inn Express)
There are other places to suit all budgets etc listed on a local amenities website