12 Castilian Mews, Shaw, Swindon, SN5 5PR

12 Castilian Mews is a one-bedroom semi-detached house in Shaw, Swindon, Swindon (SN5 5PR). It has a recorded floor area of 36 m² (around 388 sq ft), construction records dating it to 1983-1990 and council tax band A. At 36 m² this is the 3rd 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 top. The latest certificate (June 2019) shows a C (score 69), just inside the C band. When first surveyed in April 2009 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good, window efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good. Main heating runs on electricity.

At 36 m² it sits well below the postcode median (55 m² across 12 EPCs), making it one of the more compact homes locally. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Last changed hands 10 years ago, in August 2016. Across the public record there are 4 sales, relatively high churn for a single property. Across 1999–2016, sale prices on this property compounded at 4.2% per year. Today's modelled estimate of £119,000 is 28.6% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£239/sq ft) was about 29.8% above the typical sold price in the postcode.