Flat 1, 11 Compton Avenue, Brighton, BN1 3PP

Flat 1 is a semi-detached house in Brighton (BN1 3PP). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (July 2018) shows a D (score 68), on the cusp of jumping into the C band. Earlier certificates rated it C (March 2009); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Poor. The recommended improvements would push it to C (score 77). At 74 m² this is the 4th smallest of 5 units on EPC record in the building, where floor areas span 43–91 m². The building's EPC ratings span E to C across 5 units on file.

It hasn't traded since January 2011, a hold of 15 years that's notably long for the area. At 74 m² the property is well over the postcode median (51 m² across 37 EPCs), placing it in the larger end of the local stock. Across 1997–2011, sale prices on this property compounded at 3.7% per year. Today's modelled estimate of £289,000 sits 298.6% above the 2011 sale of £72,500. On a £-per-square-foot basis, the last sale (£91/sq ft) was about 61.6% below the postcode norm.