Property prices for rent in Letchworth (Hertfordshire)

When referring to the price in Letchworth (cities & towns), this has risen in the last 6 months. The rent price in October is £1,328, rising in November till £1,441. During the following two months (December, January) the price has had an average rise from £1,384.5 to £1,507.5. Based on an analysis of the first four prices and the last two months the average price has increased 105 % during the last two months.