The capital region, by virtue of its limited supply of luxury properties, saw a 4.4 per cent rise in weighted average of capital values.
The index tracks the movement in luxury residential prices across 46 cities globally. Luxury residential prices have overall registered an average increase of 1.4 per cent in the year to June period.
Although Berlin leads the index, its rate of annual growth has slowed from 14.1 per cent in March to 12.7 per cent in June. Frankfurt, by comparison, has seen its annual price growth increase from 9.6 per cent to 12 per cent over the same period.