31a, Hylton Road, Sunderland, SR4 7AF

31a is a six-bedroom mid-terrace house in Sunderland (SR4 7AF). It has a recorded floor area of 117 m² (around 1259 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (October 2023) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in November 2009 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 75). At 117 m² this is the 27th smallest of 35 units on EPC record in the building, where floor areas span 33–164 m². The building's EPC ratings span F to C across 35 units on file.

Untraded for 18 years, with the last transfer in June 2008. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 117 m² the property is well over the postcode median (89 m² across 34 EPCs), placing it in the larger end of the local stock. 6 bedrooms is on the larger side for this postcode, where 3 is the typical count. Across 2000–2008, sale prices on this property compounded at 10.9% per year. Today's modelled estimate of £123,000 is 44.7% above the 2008 sale price. On a £-per-square-foot basis, the last sale (£67/sq ft) was about 17.9% below the postcode norm.