16 St Peters Court, St Peters Street, Northampton, NN1 1SH

16 St Peters Court is a two-bedroom detached house in Northampton (NN1 1SH). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1991-1995 and council tax band A. At 47 m² this is the 27th smallest of 36 units on EPC record in the building, where floor areas span 33–65 m². The building's EPC ratings span E to B, with this unit at the bottom. The latest certificate (February 2026) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since November 2008. Between certificates, lighting went from Good to Very Good; while window efficiency dropped from Average to Poor and hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 74), a 2-band jump. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.

Held since June 2002 — that's 24 years off the open market, well above the local norm. Across 1996–2002, sale prices on this property compounded at 15.5% per year. Today's modelled estimate of £145,000 sits 98.6% above the 2002 sale of £73,000. On a £-per-square-foot basis, the last sale (£144/sq ft) was about 34.5% above the typical sold price in the postcode. At 47 m² it's 20.5% larger than the typical home in the postcode (39 m² median across 35 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs).