13b, Hollingbury Road, Brighton, BN1 7JB

13b is a mid-terrace house in Brighton (BN1 7JB). It has a recorded floor area of 40 m² (around 431 sq ft) and construction records dating it to 1900-1929. The latest certificate (January 2016) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since November 2009. Between certificates, window efficiency went from Average to Good; while wall efficiency dropped from Poor to Very Poor and lighting dropped from Very Good to Poor. The recommended improvements would push it to C (score 78). The latest certificate is from January 2016, so improvements made since then won't be reflected. At 40 m² this is the 4th smallest of 48 units on EPC record in the building, where floor areas span 39–157 m². The building's EPC ratings span E to C across 48 units on file.

At 40 m² it sits well below the postcode median (106 m² across 47 EPCs), making it one of the more compact homes locally. Most recent transfer: October 2019 at £241,000. Across the public record there are 5 sales, relatively high churn for a single property. Across 2004–2019, sale prices on this property compounded at 4.3% per year. On a £-per-square-foot basis, the last sale (£560/sq ft) was about 154.6% above the typical sold price in the postcode.