Flat 4, 9 Grantham Road, Bournemouth, BH1 4NW

Flat 4 is a two-bedroom semi-detached house in Bournemouth (BH1 4NW). It has a recorded floor area of 74 m² (around 797 sq ft) and construction records dating it to 1900-1929. At 74 m² this is the 5th smallest of 8 units on EPC record in the building, where floor areas span 45–102 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 (54 versus a best of 80). The latest certificate (June 2020) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it C (August 2009); the latest reading is 2 bands lower. Between certificates, wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to C (score 78), a 2-band jump.

Untraded for 16 years, with the last transfer in November 2010. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Across 2000–2010, sale prices on this property compounded at 4.9% per year. Today's modelled estimate of £193,000 is 46.2% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£166/sq ft) was about 15.5% below the postcode norm.