Not exactly a permaculture woodland, but we have done some things. First of all, part of the wood by the building was clearly formerly a garden - there were fallen down walls and some cultivated roses growing wild. In this area we have built a greenhouse. We use this to raise saplings in winter but in summer grow tomatoes and veggies for ourselves. We also have some raised beds for spuds and onions, and a small potato patch on a small piece of land. In the old garden area we have planted a few heritage fruit trees and cobnuts. The land is still DEFRA registered as we are paid by them for our FC grants, but there has been no objection to us using a former garden as an allotment garden as it comprises a very small proportion of the whole.
There are lots of other things we can do, such as encourage herbs and wild garlic already growing there. On open days we charge for a punnet so people can do PYO blackberries and that brings in a few pennies.