142d, St Albans Road, Sandridge, St Albans, AL4 9LL

142d is a one-bedroom end-of-terrace house in Sandridge, St. Albans, St Albans (AL4 9LL). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to 1950-1966 and council tax band B. Tenure is freehold. At 37 m² this is the smallest unit on EPC record across the building (37–174 m²). The building's EPC ratings span F to C across 24 units on file. The latest certificate (October 2018) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 75). Main heating runs on electricity.

Untraded for 18 years, with the last transfer in January 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 1999–2009, sale prices on this property compounded at 7.4% per year. Today's modelled estimate of £197,000 sits 79.1% above the 2009 sale of £110,000. At 37 m² it sits well below the postcode median (84 m² across 23 EPCs), making it one of the more compact homes locally. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.