105a, Commercial Road, Swindon, SN1 5PL

105a is a mid-terrace house in Swindon (SN1 5PL). It has a recorded floor area of 63 m² (around 678 sq ft) and construction records dating it to before 1900. The latest certificate (January 2025) shows a D (score 58), a step below the typical UK home. The rating has held steady at D across 2 certificates since January 2016. Between certificates, hot-water efficiency went from Very Poor to Average and main heating went from Poor to Average; while wall efficiency dropped from Very Good to Very Poor and window efficiency dropped from Good to Average. Main heating runs on electricity. At 63 m² this is the 20th smallest of 24 units on EPC record in the building, where floor areas span 26–86 m². The building's EPC ratings span F to C across 24 units on file.

At 63 m² the property is well over the postcode median (38 m² across 23 EPCs), placing it in the larger end of the local stock. Across 2015–2018, sale prices on this property compounded at -6% per year. Today's modelled estimate of £149,000 sits 74.9% above the 2018 sale of £85,196. On a £-per-square-foot basis, the last sale (£126/sq ft) was about 65.9% below the postcode norm. Sold July 2018 for £85,196.