Geri and her husband Kevin bought an 18th-century property in Devon after falling for its gothic arches, quirky architectural features and a glass lantern-like cupola, but discovered it was in a critical condition. The expected budget for repairs quickly doubles and Geri has to take over management of the build herself - but then the true impact of trying to undo more than 200 years of amateur construction hits home.

• Caroline Quentin
• Kieran Long
• Kate Williams