1a, Blythswood Road, Birmingham, B11 2BX

1a is a one-bedroom semi-detached house in Birmingham (B11 2BX). It has a recorded floor area of 16 m² (around 170 sq ft), construction records dating it to 1930-1949 and council tax band A. At 16 m² this is the smallest unit on EPC record across the building (16–3043 m²). The building's EPC ratings span G to C, with this unit at the bottom. On EPC score it ranks last in the building (17 versus a best of 71). The latest certificate (October 2008) shows a G (score 17), near the bottom of the EPC scale. The recommended improvements would push it to F (score 27). Main heating runs on electricity. The latest certificate is from October 2008, so improvements made since then won't be reflected.

Held since October 2001 — that's 25 years off the open market, well above the local norm. At 16 m² it sits well below the postcode median (88 m² across 41 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Today's modelled estimate of £152,000 sits 90% above the 2001 sale of £80,000. On a £-per-square-foot basis, the last sale (£472/sq ft) was about 359.1% above the typical sold price in the postcode.