Khan Market remained Delhi-NCR's most expensive high-street location in April-June 2026, with monthly retail rents rising 9% YoY to ₹1,700-1,800/sq ft, according to Cushman & Wakefield. South Extension recorded the highest rental growth at 10% to ₹850-900/sq ft, while Kamla Nagar rents stayed flat. Greater Kailash-I's M Block saw rents rise 2% to ₹490-510/sq ft.