11 12, Flat 2, Carlton Terrace, Portslade, Brighton, BN41 1XF

11 12 is a mid-terrace house in Portslade, Brighton, Brighton (BN41 1XF). It has a recorded floor area of 56 m² (around 608 sq ft), construction records dating it to 1900-1929 and council tax band A. At 56 m² this is the 4th smallest of 5 units on EPC record in 11 12, where floor areas span 47–60 m². The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (78 versus a worst of 60). The latest certificate (September 2009) shows a C (score 78), near the top of the C band. The recommended improvements would push it to B (score 82). The latest certificate is from September 2009, so improvements made since then won't be reflected.

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 £227,000 sits 372.9% above the 1999 sale of £48,000. On a £-per-square-foot basis, the last sale (£79/sq ft) was about 73% below the postcode norm. Its energy rating outperforms most of the postcode (better than 74% of similar EPCs).