12 Haldens, Welwyn Garden City, AL7 1DB

12 Haldens is a one-bedroom mid-terrace house in Welwyn Garden City (AL7 1DB). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1950-1966 and council tax band B. At 45 m² this is the 9th smallest of 27 units on EPC record in the building, where floor areas span 34–109 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (April 2023) shows a C (score 73). When first surveyed in April 2013 the rating was E, the property has climbed 2 bands since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Poor to Good and lighting went from Poor to Very Good.

Sale prices here have outpaced England HPI: 7.1% per year against 0% for the wider region. Today's modelled estimate of £190,000 sits 52% above the 2014 sale of £125,000. On a £-per-square-foot basis, the last sale (£258/sq ft) was about 39.7% above the typical sold price in the postcode. 12 years since the last transfer (February 2014). Across the public record there are 4 sales, relatively high churn for a single property. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.