24a, Flat 4, Church Street, Wellingborough, NN8 4PA

24a is a detached house in Wellingborough (NN8 4PA). It has a recorded floor area of 51 m² (around 549 sq ft) and construction records dating it to 2003-2006. At 51 m² this is the 4th smallest of 8 units on EPC record in 24a, where floor areas span 44–82 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (November 2018) shows a C (score 79), near the top of the C band. Earlier certificates rated it B (November 2008); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good; while main heating dropped from Very Good to Good.

Today's modelled estimate of £428,000 is 12.3% below the 2005 sale of £488,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£889/sq ft) was about 340.1% above the typical sold price in the postcode. Held since August 2005 — that's 21 years off the open market, well above the local norm. 5 planning records sit against the property, 3 approved, 2 refused. Past consents include subdivision, meaningful when judging how the property has evolved. At 51 m² it's 22.7% smaller than the typical home in the postcode (66 m² median across 18 EPCs).