Mother-of-two Carol Ritson, 54, had been excited to receive the keys to the four-bedroom detached in Keynsham, Somerset, but when she moved in she found it was far from finished.
The furious 31-year-old workman is said to have smashed the houses down with a digger in Buntingford, Hertfordshire, because he claimed he was owed money for the building work.
Situated on the 3,800-acre estate of Great Tew in Gloucestershire, where Harry and Meghan are currently renting a country bolthole, the planned property is set to replace dilapidated farm buildings.
Gemma Fever from Tiverton, Devon, was 10 when a heavy double radiator fell off the kitchen wall on top of her. She needed stitches and a cast on her leg for a ruptured Achilles tendon.
Jayne Fawcett, of Walton-le-Dale, Lancashire, designed her house with her late husband, choosing a grey colour for the external walls because the bricks they wanted were not available.