12 Arran Close, Hemel Hempstead, HP3 8TQ

12 Arran Close is a one-bedroom mid-terrace house in Hemel Hempstead (HP3 8TQ). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1950-1966 and council tax band B. At 47 m² this is the 4th smallest of 17 units on EPC record in the building, where floor areas span 35–117 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (October 2023) shows a C (score 71). When first surveyed in August 2013 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Poor to Very Good; while wall efficiency dropped from Poor to Very Poor.

At 47 m² it sits well below the postcode median (85 m² across 16 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Sold February 2022 for £170,500. 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 1997–2022, sale prices on this property compounded at 6.5% per year. On a £-per-square-foot basis, the last sale (£337/sq ft) was about 63.7% above the typical sold price in the postcode.