Mossop Street-based Wilben Developments has just smashed the price record on Eagle Place (you know, behind the Ferrari showroom on the Old Brompton Road) with the sale of this little beauty for £3.9m.

The ambitious transformation of what was originally the Sloane School is one of the most hotly-anticipated schemes in the prime London pipeline

23,153 square foot mid-century corner building was deemed "surplus to operational requirements" at the back end of last year