Horizon House, Apartment 15, Borough Road, Sunderland, SR1 1HR

Horizon House is a detached house in Sunderland (SR1 1HR). It has a recorded floor area of 13 m² (around 140 sq ft). At 13 m² this is the smallest unit on EPC record across Horizon House (13–35 m²). The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (December 2019) shows a D (score 65), on the cusp of jumping into the C band. Main heating runs on electricity: electricity, unspecified tariff.

Today's modelled estimate of £117,000 sits 131.7% above the 2020 sale of £50,500. On a £-per-square-foot basis, the last sale (£361/sq ft) was about 23.1% above the typical sold price in the postcode. At 13 m² it's 23.5% smaller than the typical home in the postcode (17 m² median across 69 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 74% of similar EPCs). Most recent transfer: August 2020 at £50,500.