20a, Moor Street, Luton, LU1 1HA

20a is a semi-detached house in Luton (LU1 1HA). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to 1930-1949 and council tax band A. At 44 m² this is the 4th smallest of 25 units on EPC record in the building, where floor areas span 15–293 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (September 2016) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 73), a 2-band jump.

Untraded for 27 years, with the last transfer in April 1999. 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 £126,000 sits 712.9% above the 1999 sale of £15,500. On a £-per-square-foot basis, the last sale (£33/sq ft) was about 74% below the postcode norm. At 44 m² it's 22.8% smaller than the typical home in the postcode (57 m² median across 24 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs).