20a, Hamilton Road, Brighton, BN1 5DL

20a is a one-bedroom mid-terrace house in Brighton (BN1 5DL). It has a recorded floor area of 50 m² (around 538 sq ft) and construction records dating it to 1900-1929. At 50 m² this is the 27th smallest of 58 units on EPC record in the building, where floor areas span 39–180 m². The building's EPC ratings span G to C across 58 units on file. The latest certificate (August 2017) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 75).

Held since April 1999 — that's 27 years off the open market, well above the local norm. 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 £322,000 sits 168.3% above the 1999 sale of £120,000. On a £-per-square-foot basis, the last sale (£223/sq ft) was about 20.9% below the postcode norm. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.