Flat 2, 5 Hewett Road, Portsmouth, PO2 0QR

Flat 2 is a one-bedroom semi-detached house in Portsmouth (PO2 0QR). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 1900-1929 and council tax band A. At 38 m² this is the smallest unit on EPC record across the building (38–106 m²). The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (February 2020) shows an E (score 43), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since February 2010. Between certificates, window efficiency went from Poor to Average, lighting went from Average to Very Good and main heating went from Poor to Average. The recommended improvements would lift it to C (score 72), a 2-band jump. Main heating runs on electricity.

It hasn't traded since November 2000, a hold of 26 years that's notably long for the area. Across 1997–2000, sale prices on this property compounded at 7.4% per year. Today's modelled estimate of £120,000 sits 190.9% above the 2000 sale of £41,250. On a £-per-square-foot basis, the last sale (£101/sq ft) was about 27.4% below the postcode norm. At 38 m² it sits well below the postcode median (100 m² across 20 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs).