19 Arrancourt, Gilligan Close, Horsham, RH12 1UA

19 Arrancourt is a one-bedroom semi-detached house in Horsham (RH12 1UA). It has a recorded floor area of 48 m² (around 513 sq ft), construction records dating it to 1967-1975 and council tax band B. At 48 m² this is the 6th smallest of 39 units on EPC record in the building, where floor areas span 45–65 m². The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (55 versus a best of 81). The latest certificate (September 2009) shows a D (score 55), a step below the typical UK home. The latest certificate is from September 2009, so improvements made since then won't be reflected.

Held since August 2007 — that's 19 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs). Across 1995–2007, sale prices on this property compounded at 10.7% per year. Today's modelled estimate of £173,000 is 30.1% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£259/sq ft) was about 31.8% above the typical sold price in the postcode.