31b, Northfield Road, Okehampton, EX20 1BB

31b is a detached house in Okehampton (EX20 1BB). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1900-1929 and council tax band A. At 68 m² this is the 5th smallest of 27 units on EPC record in the building, where floor areas span 45–147 m². The building's EPC ratings span F to C, with this unit at the top. On EPC score it ranks first in the building (75 versus a worst of 24). The latest certificate (February 2019) shows a C (score 75), near the top of the C band. When first surveyed in November 2013 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good and lighting went from Good to Very Good; while hot-water efficiency dropped from Very Good to Good.

At 68 m² it's 20.6% smaller than the typical home in the postcode (86 m² median across 26 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. Sold April 2019 for £125,000. Across the public record there are 4 sales, relatively high churn for a single property. Across 2007–2019, sale prices on this property compounded at -2.5% per year. Today's modelled estimate of £149,000 is 19.2% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£171/sq ft) was about 18.1% above the typical sold price in the postcode.