Havelock House, Flat 3, 114 Crasswell Street, Portsmouth, PO1 1HT

Havelock House is a one-bedroom semi-detached house in Portsmouth (PO1 1HT). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to 1900-1929 and council tax band A. At 44 m² this is the smallest unit on EPC record across Havelock House (44–67 m²). The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (August 2023) shows an E (score 53), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since June 2010. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Average and lighting went from Poor to Very Good; while roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to D (score 63).

It hasn't traded since August 1997, a hold of 29 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £118,000 sits 490% above the 1997 sale of £20,000. On a £-per-square-foot basis, the last sale (£42/sq ft) was about 62% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs).