Good, straightforward answer from Ubasses as always.
Almost certainly something you will require to pay a solicitor for advice, because the amateur lawyers on here cannot give definitive advice, only information.
The issues that would be taken into account when the LA assessed whether they considered the owner had deprived himself/herself of the asset would include: the specific wording of the trust, the documentation surrounding the reason for establishing said Trust, the general health and lifespan expected of the owner at the time the trust was established.