Olive trees do well in containers that aren't too large, where the roots are slightly constricted. As mentioned above, olive trees hate a fuss! The pot should take the root system easily, but one that is about 2 inches (5 cm) larger than its present container will be sufficient. Naturally, in subsequent years the olive tree will need to be lovingly potted on as it grows. Perhaps a terracotta, Mediterranean-type pot or one with a nice glaze and beautiful colours will help the olive tree remember its ancestral roots.
For container-grown olive trees a loam-based compost, such as John Innes No. 3 or equivalent, is recommended.
A container-grown olive tree may need to be protected in the winter months, especially in the north of Britain. This will give fruits that may be forming a chance to develop and ripen. A gently heated greenhouse would be ideal, but failing that a slightly heated conservatory or another area of the home that isn’t too warm and would be light and frost-free, would be perfect.
In mild areas, such as southern United Kingdom, container-grown olive trees can be left outside during the winter months. However, ensure they are moved to a sheltered position and that pots are wrapped in bubble wrap or fleece jackets to ensure they don’t freeze
Don't worry about moving your heavy pot - you can buy pot stands with wheels which make the job so much easier.