4 Courtrai Flats, Lansdown Castle Drive, Cheltenham, GL51 7AF

4 Courtrai Flats is a two-bedroom semi-detached house in Cheltenham (GL51 7AF). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to before 1900 and council tax band A. At 49 m² this is the 2nd smallest of 4 units on EPC record in the building, where floor areas span 48–75 m². The building's EPC ratings span E to D, with this unit at the bottom. On EPC score it ranks last in the building (46 versus a best of 67). Our model identifies extension potential, subject to local planning policy. The latest certificate (November 2018) shows an E (score 46), 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 and main heating went from Poor to Average; while hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 81), a 3-band jump. Main heating runs on electricity.

It hasn't traded since February 1996, a hold of 30 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £144,000 sits 265.5% above the 1996 sale of £39,400. On a £-per-square-foot basis, the last sale (£75/sq ft) was about 64.4% below the postcode norm.