21a, Heath Street, Golborne, Warrington, WA3 3BN

21a is a one-bedroom mid-terrace house in Golborne, Warrington, Warrington (WA3 3BN). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to before 1900 and council tax band A. At 76 m² this is the largest unit on EPC record across the building (35–76 m²). The building's EPC ratings span E to D, with this unit at the bottom. The latest certificate (November 2024) shows an E (score 53), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since July 2011. The recommended improvements would push it to D (score 67).

At 76 m² the property is well over the postcode median (49 m² across 6 EPCs), placing it in the larger end of the local stock. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Today's modelled estimate of £107,000 sits 167.5% above the 2013 sale of £40,000. On a £-per-square-foot basis, the last sale (£49/sq ft) was about 35.4% below the postcode norm. On the market in September 2013 and unlisted since — roughly 13 years.