We’d become a bit concerned that the trees in the orchard area might be overcrowded when they matured, and decided to move one into the main garden. Our choice fell on ‘Arthur Turner’ a cooking variety that was in the middle of a row of four. (Apparently it won an RHS prize for its blossom) The trees have now been in place for three years, so its more of a disturbance for them than when we originally planted them, but they should still re-establish. This weekend was almost the last time we could do this while the trees were dormant.
Here’s Arthur before the move:

First we prepared the hole for Arthur’s new home, digging out an area with roughly the diameter of the branch-spread down to two spade depths and adding four wheelbarrowloads of compost to enrich the soil.
Next we removed the turf around the tree, and dug a trench down, carefully digging in until we came to the roots. We dug down and under, to free it, and rocked it onto a tarpauline. We then dragged it to the new planting position.
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We replanted Arthur, taking care to plant to the same depth that it had been before, and then backfilled the hole, treading it down well to exclude any air pockets. Finally we put in a new stake, to keep the roots still while they reestablish, and backfilled the hole where it had been. Now to wait with fingers crossed!