Flat 4, 6 East Street, Northampton, NN1 5JZ

Flat 4 is a two-bedroom semi-detached house in Northampton (NN1 5JZ). It has a recorded floor area of 55 m² (around 592 sq ft) and construction records dating it to 1950-1966. At 55 m² this is the 4th smallest of 11 units on EPC record in the building, where floor areas span 23–78 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (November 2020) shows a C (score 72). When first surveyed in March 2009 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Good, lighting went from Poor to Very Good and main heating went from Poor to Good.

Across 2004–2022, sale prices on this property compounded at 2.4% per year. Today's modelled estimate of £150,000 is 15.4% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£220/sq ft) was about 89.1% above the typical sold price in the postcode. At 55 m² it's 20.7% smaller than the typical home in the postcode (69 m² median across 52 EPCs). Most recent transfer: October 2022 at £130,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.