Echo Building, Apartment 11, West Wear Street, Sunderland, SR1 1XD

Echo Building is a two-bedroom end-of-terrace house in Sunderland (SR1 1XD). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 2007 onwards and council tax band D. The latest certificate (August 2018) shows a C (score 80), near the top of the C band. The rating has held steady at C across 2 certificates since February 2009. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 85). Main heating runs on electricity. At 60 m² this is the 6th smallest of 89 units on EPC record in Echo Building, where floor areas span 48–129 m². The building's EPC ratings span E to B across 89 units on file.

Across 2009–2023, sale prices on this property compounded at -10% per year. Today's modelled estimate of £115,000 sits 228.6% above the 2023 sale of £35,000. On a £-per-square-foot basis, the last sale (£54/sq ft) was about 71.4% below the postcode norm. At 60 m² it's 23.1% smaller than the typical home in the postcode (78 m² median across 90 EPCs). Last sale on file: £35,000 in October 2023.