21 Rosedale Street, Sunderland, SR1 3RW

21 Rosedale Street is a two-bedroom mid-terrace house in Sunderland (SR1 3RW). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (March 2020) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in February 2010 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Average to Very Good and window efficiency went from Very Poor to Average. The recommended improvements would lift it to B (score 87), a 2-band jump.

Across 1998–2018, sale prices on this property compounded at 3.3% per year. Today's modelled estimate of £110,000 sits 152.9% above the 2018 sale of £43,500. On a £-per-square-foot basis, the last sale (£72/sq ft) was about 30.9% above the typical sold price in the postcode. At 56 m² it sits well below the postcode median (90 m² across 38 EPCs), making it one of the more compact homes locally. On the market in July 2018 and unlisted since — roughly 8 years.