I think you will need to get an estimate of the costs. Talk to a builder and get some rough ideas. I would think around 100k at a minimum.
Then go and see a few agents in the area to discuss some values. From there you can usually work out how worthwhile an exercise it is going to be.
Keep us informed
Then go and see a few agents in the area to discuss some values. From there you can usually work out how worthwhile an exercise it is going to be.
Keep us informed