9 Castilian Mews, Shaw, Swindon, SN5 5PR

9 Castilian Mews is a two-bedroom mid-terrace house in Shaw, Swindon, Swindon (SN5 5PR). It has a recorded floor area of 52 m² (around 560 sq ft), construction records dating it to 1991-1995 and council tax band A. At 52 m² this is the 4th smallest of 13 units on EPC record in the building, where floor areas span 31–72 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (57 versus a best of 79). Other recorded features include a balcony. The latest certificate (July 2022) shows a D (score 57), a step below the typical UK home. Earlier certificates rated it C (August 2010); the latest reading is one band lower. Between certificates, window efficiency went from Very Poor to Good, hot-water efficiency went from Poor to Average and lighting went from Good to Very Good; while main heating dropped from Poor to Very Poor. The recommended improvements would push it to C (score 77). Main heating runs on electricity.

Last sale on file: £140,000 in August 2022. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 2002–2022, sale prices on this property compounded at 3.1% per year. Today's modelled estimate of £166,000 is 18.6% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£250/sq ft) was about 36% above the typical sold price in the postcode.