45a, Robertson Road, Brighton, BN1 5NJ

45a is a one-bedroom end-of-terrace house in Brighton (BN1 5NJ). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to before 1900 and council tax band B. At 60 m² this is the 10th smallest of 34 units on EPC record in the building, where floor areas span 37–156 m². The building's EPC ratings span E to C, with this unit at the top. Records show the property has been extended at some point in its history. The latest certificate (May 2025) shows a C (score 69), just inside the C band. When first surveyed in March 2015 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good.

Untraded for 27 years, with the last transfer in November 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 £303,000 sits 353.9% above the 1999 sale of £66,750. On a £-per-square-foot basis, the last sale (£103/sq ft) was about 60.2% below the postcode norm. At 60 m² it's 15.6% smaller than the typical home in the postcode (71 m² median across 33 EPCs). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.