20 The Post Office, West Sunniside, Sunderland, SR1 1BH

20 The Post Office is a one-bedroom mid-terrace house in Sunderland (SR1 1BH). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (May 2020) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in December 2009 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Poor and lighting went from Very Poor to Good. The recommended improvements would push it to C (score 79). Main heating runs on electricity. At 72 m² this is the 17th smallest of 31 units on EPC record in the building, where floor areas span 34–122 m². The building's EPC ratings span E to B across 31 units on file. The home occupies a corner plot.

Held since January 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price.