Marfield House, Flat 4, 124 Northgate Street, Bury St Edmunds, IP33 1HG

Marfield House is a one-bedroom detached house in Bury St Edmunds (IP33 1HG). It has a recorded floor area of 39 m² (around 417 sq ft) and construction records dating it to before 1900. The latest certificate (July 2010) shows an F (score 32), near the bottom of the EPC scale. The rating has held steady at F across 2 certificates since August 2009. Between certificates, wall efficiency went from Very Poor to Poor and roof efficiency went from Poor to Average. The latest certificate is from July 2010, so improvements made since then won't be reflected. At 39 m² this is the 4th smallest of 5 units on EPC record in Marfield House, where floor areas span 26–45 m². The building's EPC ratings span F to C, with this unit at the bottom. On EPC score it ranks last in the building (32 versus a best of 69). Period features are noted in the property record.

It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). Across 2010–2016, sale prices on this property compounded at 7.1% per year. Today's modelled estimate of £157,000 is 19.6% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£315/sq ft) was about 72.4% above the typical sold price in the postcode. Last sold in January 2016, so it's been off the market for around 10 years.