1a, Robin Hood Road, Elsenham, Bishop's Stortford, CM22 6EH

1a is a three-bedroom detached house in Bishop's Stortford (CM22 6EH). It has a recorded floor area of 48 m² (around 517 sq ft) and construction records dating it to 1976-1982. The latest certificate (April 2017) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in November 2008 the rating was G, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Average, roof efficiency went from Very Poor to Average and hot-water efficiency went from Very Poor to Average; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 69). Main heating runs on electricity. At 48 m² this is the 4th smallest of 13 units on EPC record in the building, where floor areas span 25–154 m². The building's EPC ratings span E to C across 13 units on file.

It hasn't traded since October 2006, a hold of 20 years that's notably long for the area. Across the public record there are 4 sales, relatively high churn for a single property. At 48 m² it sits well below the postcode median (108 m² across 12 EPCs), making it one of the more compact homes locally. Across 1997–2006, sale prices on this property compounded at 13.6% per year. Today's modelled estimate of £261,000 is 16% above the 2006 sale price. On a £-per-square-foot basis, the last sale (£435/sq ft) was about 76.3% above the typical sold price in the postcode.