4a, Mandells Court, Norwich, NR3 1AY

4a is a one-bedroom detached house in Norwich (NR3 1AY). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (September 2020) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in March 2010 the rating was F, the property has climbed 2 bands since. Between certificates, window efficiency went from Poor to Good, lighting went from Very Poor to Very Good and main heating went from Poor to Average. The recommended improvements would push it to C (score 80). Main heating runs on electricity. At 37 m² this is the 20th smallest of 29 units on EPC record in the building, where floor areas span 21–44 m². The building's EPC ratings span E to C across 29 units on file.

It hasn't traded since January 2005, a hold of 21 years that's notably long for the area. At 37 m² it's 23.3% larger than the typical home in the postcode (30 m² median across 28 EPCs). Across 1998–2005, sale prices on this property compounded at 19.2% per year. Today's modelled estimate of £124,000 is 38.5% above the 2005 sale price. On a £-per-square-foot basis, the last sale (£225/sq ft) was about 18.1% below the postcode norm.