Beechwood House is a Grade II listed large detached house set in 11 acres of grounds on Hampstead Lane in Highgate, North West London, N6. It was built in 1840 in the grounds of the former Fitzroy House by the architect and developer George Basevi for his brother Nathaniel, a barrister. It has been owned by several prominent personalities including politicians Lewis McIver and Oswald Lewis, King Khalid of Saudi Arabia, and the Qatari sheikh Hamad bin Khalifa Al Thani. It is owned by trusts linked to the Uzbek businessman Alisher Usmanov.

Elias George Basevi FRS was a British architect who worked in both Neoclassical and Gothic Revival styles. A pupil of Sir John Soane, his designs included Belgrave Square in London, and the Fitzwilliam Museum in Cambridge. He was surveyor to the Guardian Assurance Company, to the Trustees of Smith's Charity and to the Thurloe estate.