21 Norfolk Street, Sunderland, SR1 1EA

21 Norfolk Street is an end-of-terrace house in Sunderland (SR1 1EA). It has a recorded floor area of 43 m² (around 463 sq ft) and construction records dating it to 1900-1929. The latest certificate (February 2023) shows a C (score 76), near the top of the C band. When first surveyed in February 2009 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Good to Very Good; while window efficiency dropped from Good to Average. Main heating runs on electricity. At 43 m² this is the 12th smallest of 47 units on EPC record in the building, where floor areas span 21–141 m². The building's EPC ratings span E to B across 47 units on file.

Across 2002–2025, sale prices on this property compounded at 7.9% per year. Today's modelled estimate of £264,000 is 37.1% below the 2025 sale of £420,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£907/sq ft) was about 477.2% above the typical sold price in the postcode. Sold January 2025 for £420,000. Across the public record there are 6 sales, relatively high churn for a single property. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, subdivision and change of use to residential, meaningful when judging how the property has evolved. At 43 m² it's 23.2% smaller than the typical home in the postcode (56 m² median across 46 EPCs).