At Treberfydd House in Bannau Brycheiniog (the Brecon Beacons), the biggest wedding of the year is underway, at least if the weather holds. In Shropshire, the owners of the Elizabethan Pitchford Hall are proud custodians of what is believed to be the world's oldest treehouse, supported by Britain's oldest broadleaf lime tree, which urgently needs some restoration work.

Hidden secrets are unearthed at Staffordshire's Whitmore Hall. Ashby Manor's historic connections to the architect Edwin Lutyens are revealed, in both the house and in its gardens. Plus, the Chavenage mobile sauna project is hotting up.