Flat 4, 42 Croyland Road, Wellingborough, NN8 2JR

Flat 4 is a semi-detached house in Wellingborough (NN8 2JR). It has a recorded floor area of 56 m² (around 603 sq ft) and construction records dating it to 2007 onwards. At 56 m² this is the 21st smallest of 26 units on EPC record in the building, where floor areas span 43–82 m². The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (August 2018) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (November 2013); the latest reading is one band lower. Between certificates, window efficiency dropped from Very Good to Good.

Today's modelled estimate of £470,000 is 26.7% below the 2008 sale of £641,550, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£1,064/sq ft) was about 812% above the typical sold price in the postcode. Untraded for 18 years, with the last transfer in April 2008. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price.