Flat 4, 20 Church Street, Swindon, SN3 4NB

Flat 4 is a one-bedroom mid-terrace house in Swindon (SN3 4NB). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to 1900-1929 and council tax band A. At 44 m² this is the 3rd smallest of 5 units on EPC record in the building, where floor areas span 36–66 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (September 2025) shows an E (score 53), well below the UK norm with real room to improve. Earlier certificates rated it D (July 2015); the latest reading is one band lower. Between certificates, hot-water efficiency went from Poor to Average, lighting went from Poor to Good and main heating went from Very Poor to Poor; while wall efficiency dropped from Poor to Very Poor and window efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 81), a 3-band jump. Main heating runs on electricity.

At 44 m² it sits well below the postcode median (66 m² across 26 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs). Last sale on file: £108,000 in November 2023. Across the public record there are 4 sales, relatively high churn for a single property. Across 2001–2023, sale prices on this property compounded at 4.3% per year. Today's modelled estimate of £127,000 is 17.6% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£228/sq ft) was about 35.9% above the typical sold price in the postcode.