I wanted to invest in a London property for my children who were going to school there, so the specification and location parts of my brief were important. But I wanted investment potential as well. Penny Black identified a property in Chelsea that was in administration and, against competition, secured it significantly below the market value. Their relationship with the bank was invaluable. — VK, Geneva

When our ideas of purchasing a three-bedroom apartment in Knightsbridge were simply unrealistic, Chantel told us so, but gently. And then she suggested an alternative that ticked all the same boxes, but in a way that we would never have thought of. We moved in six months ago, and we’re still grateful every day for her lateral thinking. — JA and BA, New Delhi