Allerford House, Flat 3, High Street, Horsell, Woking, GU21 4SZ

Allerford House is an end-of-terrace house in Horsell, Woking, Woking (GU21 4SZ). It has a recorded floor area of 26 m² (around 280 sq ft), construction records dating it to 1983-1990 and council tax band B. At 26 m² this is the smallest unit on EPC record across Allerford House (26–56 m²). The building's EPC ratings span E to C across 6 units on file. The latest certificate (January 2019) shows a D (score 55), a step below the typical UK home. Earlier certificates rated it C (November 2008); the latest reading is one band lower. Between certificates, lighting went from Good to Very Good; while roof efficiency dropped from Good to Average and hot-water efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 75). Main heating runs on electricity.

It hasn't traded since February 2008, a hold of 18 years that's notably long for the area. Across the public record there are 5 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. At 26 m² it sits well below the postcode median (56 m² across 21 EPCs), making it one of the more compact homes locally. Across 1997–2008, sale prices on this property compounded at 12.3% per year. Today's modelled estimate of £151,000 is 20.8% above the 2008 sale price. On a £-per-square-foot basis, the last sale (£447/sq ft) was about 18.3% above the typical sold price in the postcode.