10a, Arundel Street, Brighton, BN2 5TG

10a is a one-bedroom mid-terrace house in Brighton (BN2 5TG). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to before 1900 and council tax band A. At 41 m² this is the 8th smallest of 37 units on EPC record in the building, where floor areas span 33–175 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (48 versus a best of 73). The latest certificate (February 2022) shows an E (score 48), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since October 2008. Between certificates, lighting went from Average to Very Good; while window efficiency dropped from Average to Poor and main heating dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 79), a 2-band jump. Main heating runs on electricity.

It hasn't traded since January 2004, a hold of 22 years that's notably long for the area. At 41 m² it sits well below the postcode median (74 m² across 36 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1997–2004, sale prices on this property compounded at 24.8% per year. Today's modelled estimate of £173,000 sits 84% above the 2004 sale of £94,000.