2 Buttermere, Sunderland, SR6 7QH

2 Buttermere is a four-bedroom detached house in Sunderland (SR6 7QH). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (September 2013) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2010. Between certificates, roof efficiency went from Average to Good and window efficiency went from Average to Good. The recommended improvements would lift it to B (score 86), a 2-band jump. The latest certificate is from September 2013, so improvements made since then won't be reflected. Other recorded features include a conservatory.

Held since January 2000 — that's 26 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £353,000 sits 189.3% above the 2000 sale of £122,000. On a £-per-square-foot basis, the last sale (£109/sq ft) was about 39.8% below the postcode norm.