Luxury Real Estate & Dream Homes · Penelope Grant · 11 July 2026

The luxury square that shows London mansions are not selling

The luxury square that shows London mansions are not selling

The luxury square that shows London’s mansions are not selling is Montpelier Square in Knightsbridge, according to the Financial Times. Just a five-minute walk from Harrods and Hyde Park, the exclusive address has become a case study for sluggish ultra-prime sales as prices fall from decade-ago peaks and overseas buyers look elsewhere.

Key Takeaways

Why is Montpelier Square struggling to sell mansions?

The Financial Times points to Montpelier Square as one of London’s most exclusive addresses — yet homes there are taking far longer to sell than sellers expect. The newspaper reports that property prices in the Knightsbridge square have tumbled from a decade ago, a sharp reversal for a postcode long associated with trophy homes.

International demand has cooled as foreign buyers look elsewhere, leaving sellers waiting on deals that once closed quickly. The FT’s reporting suggests the square captures a broader problem: even prime central locations no longer guarantee fast sales at peak-era prices.

What is happening to London’s ultra-prime property market?

According to the Financial Times, fewer than half of luxury homes listed in one of the city’s most exclusive neighborhoods have sold over the past year. That figure underscores weaker buyer appetite at the very top of the market, where mansions can sit for extended periods before a deal is done.

Rising interest rates and broader economic uncertainty are also weighing on demand, the FT notes. Properties priced above £5 million are feeling particular strain, with asking prices continuing to outpace what buyers are prepared to pay. For more context on how prestige addresses behave in downturns, see our Luxury Real Estate & Dream Homes coverage.

Who is still buying London’s most expensive homes?

The FT’s Montpelier Square analysis highlights a shift in who drives London’s mansion market. With foreign buyers looking elsewhere, sellers in Knightsbridge face a narrower pool of committed purchasers willing to meet current asking levels.

That mismatch helps explain why the luxury square that once symbolised effortless wealth is now a visible sign that London’s mansions are not selling as they once did. Read the full Financial Times report on London property for the original reporting.

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