11 Smawthorne Grove, Castleford, WF10 5AS

11 Smawthorne Grove is a two-bedroom end-of-terrace house in Castleford (WF10 5AS). It has a recorded floor area of 34 m² (around 366 sq ft), construction records dating it to 1967-1975 and council tax band A. At 34 m² this is the smallest unit on EPC record across the building (34–101 m²). The building's EPC ratings span G to C across 40 units on file. Other recorded features include a loft. The latest certificate (November 2023) shows an E (score 42), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since February 2019. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Average to Very Poor and main heating dropped from Good to Very Poor. The recommended improvements would lift it to C (score 70), a 2-band jump. Main heating runs on electricity.

Sale prices here have outpaced England HPI: 2.8% per year against 0% for the wider region. Today's modelled estimate of £122,000 sits 80.7% above the 2016 sale of £67,500. On a £-per-square-foot basis, the last sale (£184/sq ft) was about 92.9% above the typical sold price in the postcode. At 34 m² it sits well below the postcode median (74 m² across 39 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 90% of similar EPCs). Last sold in September 2016, so it's been off the market for around 10 years.