31a, Cedar Grove, Portsmouth, PO3 6HH

31a is an end-of-terrace house in Portsmouth (PO3 6HH). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1930-1949 and council tax band A. At 55 m² this is the smallest unit on EPC record across the building (55–138 m²). The building's EPC ratings span D to C, with this unit at the top. The latest certificate (November 2021) shows a C (score 71). The rating has held steady at C across 2 certificates since November 2010. Between certificates, window efficiency went from Average to Good and lighting went from Average to Very Good; while wall efficiency dropped from Good to Average.

Untraded for 30 years, with the last transfer in March 1996. 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 £158,000 sits 351.4% above the 1996 sale of £35,000. On a £-per-square-foot basis, the last sale (£59/sq ft) was about 66.8% below the postcode norm. At 55 m² it sits well below the postcode median (97 m² across 22 EPCs), making it one of the more compact homes locally.