5 Berwick House, Chalcombe Avenue, Northampton, NN2 8LQ

5 Berwick House is a two-bedroom end-of-terrace house in Northampton (NN2 8LQ). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (September 2015) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since November 2009. Between certificates, wall efficiency went from Very Poor to Good, hot-water efficiency went from Poor to Average and lighting went from Very Poor to Poor. The recommended improvements would push it to D (score 68). Main heating runs on electricity. The latest certificate is from September 2015, so improvements made since then won't be reflected. At 61 m² this is the 4th smallest of 7 units on EPC record in the building, where floor areas span 31–74 m². The building's EPC ratings span F to C across 7 units on file.

It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). Across 2004–2019, sale prices on this property compounded at 2.6% per year. Today's modelled estimate of £150,000 is 21% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£189/sq ft) was about 30.9% above the typical sold price in the postcode. Last sale on file: £124,000 in July 2019.