29a, Armitage Way, Cambridge, CB4 2UE

29a is a semi-detached house in Cambridge (CB4 2UE). It has a recorded floor area of 21 m² (around 226 sq ft), construction records dating it to 1983-1990 and council tax band A. At 21 m² this is the smallest unit on EPC record across the building (21–139 m²). The building's EPC ratings span E to B across 40 units on file. The latest certificate (November 2018) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2008. Between certificates, wall efficiency went from Average to Good. The recommended improvements would push it to C (score 79). Main heating runs on electricity.

Untraded for 30 years, with the last transfer in July 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 £140,000 sits 387% above the 1996 sale of £28,750. On a £-per-square-foot basis, the last sale (£127/sq ft) was about 41% below the postcode norm. At 21 m² it sits well below the postcode median (50 m² across 39 EPCs), making it one of the more compact homes locally.