Yours for just £35m: Prices at London’s most expensive development revealed Property Luxury apartments at London’s most expensive residential property development ever will hit the market for £35m or more and have already racked up a waiting list of over 600 super-rich buyers. 1 Mayfair, the £2bn super-luxury scheme being ring-led by the Phones4u billionaire John Caudwell, is set for completion in spring of 2026 when it [...]