Complex sentence: Wynyard Park in County Durham was also redesigned in the Neo-classical style, the couple bought Seaham Hall also in County Durham and then later bought Holdernesse House on London's Park Lane.
Split into simpler sentences: Wynyard Park in County Durham was also redesigned in the Neo-classical style. The couple bought Seaham Hall, also in County Durham, and then later bought Holdernesse House on London's Park Lane.