Buckingham Palace wasn't born a palace. It evolved—brick by brick, reign by reign—into the working heart of British monarchy.
Built for John Sheffield, 1st Duke of Buckingham. Three-story red brick mansion with service wings. Comfortable, not ceremonial. Sold to George III in 1761 for £21,000 as a private family retreat—"Queen's House" for Charlotte.
George III and Charlotte expanded steadily: north wing, library, riding school. 15 children needed space. But it remained domestic, not state.
George IV hired John Nash. Vision: a palace worthy of empire. Nash doubled the footprint, added the Marble Arch (ceremonial entrance), State Rooms (Grand Staircase, Throne Room, Ballroom), and the iconic east façade facing The Mall. Cost: ~£700,000 (≈£70M today). George IV died before moving in.
Victoria moved in 1837—first sovereign to rule from Buckingham Palace. Added: east wing balcony (1847), ballroom (1856), electricity (1883), telephone (1897). Survived WWII bombing (Chapel destroyed). 1962: Queen's Gallery opened (public art access). 1992: Windsor fire → palace opened for repairs funding.
Not a museum. A machine for monarchy—continuously inhabited, continuously adapted, 320 years and counting.