23a, Beaconsfield Villas, Brighton, BN1 6HA

23a is a semi-detached house in Brighton (BN1 6HA). It has a recorded floor area of 111 m² (around 1195 sq ft) and construction records dating it to before 1900. The latest certificate (October 2017) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 6 certificates since November 2010. Between certificates, hot-water efficiency went from Average to Good, lighting went from Good to Very Good and main heating went from Poor to Good. The recommended improvements would push it to C (score 75). At 111 m² this is the 45th smallest of 52 units on EPC record in the building, where floor areas span 25–302 m². The building's EPC ratings span E to B across 52 units on file.

At 111 m² the property is well over the postcode median (52 m² across 51 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £625,000 is 19.6% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£437/sq ft) was about 18.5% above the typical sold price in the postcode. Last sold in May 2018, so it's been off the market for around 8 years.