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

12 Earlham House is a mid-terrace house in Norwich (NR2 3PE). It has a recorded floor area of 23 m² (around 248 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (December 2013) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in January 2009 the rating was F, the property has climbed 2 bands since. Between certificates, window efficiency went from Very Poor to Good, hot-water efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 78). Main heating runs on electricity. The latest certificate is from December 2013, so improvements made since then won't be reflected. At 23 m² this is the 8th 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.

Across 2007–2016, sale prices on this property compounded at 1.6% per year. Today's modelled estimate of £102,000 is 27.5% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£323/sq ft) was about 23.1% above the typical sold price in the postcode. Last sold in March 2016, so it's been off the market for around 10 years.