18 Astral House, Upper Walworth Way, Sunderland, SR1 3DX

18 Astral House is a one-bedroom end-of-terrace house in Sunderland (SR1 3DX). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1950-1966 and council tax band A. At 42 m² this is the smallest unit on EPC record across the building (42–87 m²). The building's EPC ratings span E to D, with this unit at the bottom. On EPC score it ranks last in the building (45 versus a best of 68). Other recorded features include notable views. The latest certificate (March 2022) shows an E (score 45), well below the UK norm with real room to improve. Earlier certificates rated it D (October 2021); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Average to Very Poor and main heating dropped from Average to Very Poor. The recommended improvements would lift it to B (score 82), a 3-band jump. Main heating runs on electricity.

At 42 m² it's 22.2% smaller than the typical home in the postcode (54 m² median across 45 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Today's modelled estimate of £108,000 sits 151.2% above the 2023 sale of £43,000. Last sale on file: £43,000 in February 2023.