21 Earlham House, Earlham Road, Norwich, NR2 3PE

21 Earlham House is an end-of-terrace house in Norwich (NR2 3PE). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 2007 onwards and council tax band A. The latest certificate (May 2013) shows a C (score 69), just inside the C band. When first surveyed in October 2008 the rating was G, the property has climbed 4 bands since. Between certificates, wall efficiency went from Poor to Good, window efficiency went from Very Poor to Good and main heating went from Very Poor to Average. Main heating runs on electricity. The latest certificate is from May 2013, so improvements made since then won't be reflected. At 49 m² this is the 40th smallest of 42 units on EPC record in the building, where floor areas span 21–59 m². The building's EPC ratings span F to B across 42 units on file.

At 49 m² the property is well over the postcode median (23 m² across 41 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 76% of similar EPCs). Today's modelled estimate of £149,000 is 28.4% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£220/sq ft) was about 16.2% below the postcode norm. On the market in April 2014 and unlisted since — roughly 12 years.