In 2026, the most expensive place in England remains the London borough of Kensington and Chelsea, specifically neighborhoods like Knightsbridge and Belgravia. These areas consistently command the highest property prices in the country, with average house prices often exceeding £2 million and prestigious streets reaching much higher. Outside of London, the title of the most expensive city is typically held by Oxford, followed closely by Cambridge. These university cities suffer from a massive supply-demand imbalance, where historical preservation laws limit new housing while the thriving "Silicon Fen" and "Oxford Science Park" tech hubs drive up local wages and competition for homes. Other high-cost areas include "commuter belt" towns like St. Albans and Winchester, which offer a high quality of life and fast rail links to the capital. For those looking for the ultimate in exclusivity, small pockets in the Cotswolds and the "Sandbanks" area of Poole also rank among the most expensive residential postcodes in England.