12a, Flat 2, York Place, Brighton, BN1 4GU

12a is a mid-terrace house in Brighton (BN1 4GU). It has a recorded floor area of 53 m² (around 570 sq ft) and construction records dating it to before 1900. At 53 m² this is the 2nd smallest of 3 units on EPC record in 12a, where floor areas span 20–57 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (63 versus a best of 76). The latest certificate (March 2023) shows a D (score 63), on the cusp of jumping into the C band. Earlier certificates rated it C (August 2012); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor. The recommended improvements would push it to C (score 79).

Across 2004–2018, sale prices on this property compounded at 7.7% per year. Today's modelled estimate of £350,000 is 48.5% below the 2018 sale of £680,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£1,192/sq ft) was about 461.5% above the typical sold price in the postcode. On the market in January 2018 and unlisted since — roughly 8 years. At 53 m² it's 15.9% smaller than the typical home in the postcode (63 m² median across 23 EPCs).