As you appreciate, we live in unprecedented times.
Therefore, if they take you to court for the storage costs, bearing in mind that none of this is of their making but by the same token, none of its of your making, Lord only knows which way the courts are going to go.
You certainly didn’t agree to this and therefore there can be no contract to pay GBP54 per week or for that matter, any amount of money at all.
In the current lockdown situation it seems that they cannot even argue that they have been suffering a loss by the occupation of your boat in this space unless they can prove that they could have had another boat in its place. What they are doing of course, and it’s nothing to do with the legalities shooting themselves in the foot because what they are doing is alienating the customer by being greedy.
If they are refusing to release the boat until such time as you pay up then you can always pay up under pressure/duress and take them to the Small Claims Court for reimbursement and let the court decide.
My suggestion is to tell them what I have said, that this is neither your fault nor their fault and as they have suffered no loss, what they are asking for is unreasonable but under the circumstances you are prepared to meet them halfway and pay half in providing whatever they are asking for now is the end of it.
However this is not based upon any legal premise is based upon the practicalities of avoiding going to
If they don’t agree then it’s got to be decided one way or the other by a Small Claims Court judge.