Grange House, Flat 23, Grange Road, Gravesend, DA11 0EB

Grange House is a one-bedroom mid-terrace house in Gravesend (DA11 0EB). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (July 2020) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in October 2008 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good, window efficiency went from Very Poor to Average and hot-water efficiency went from Very Poor to Average. The recommended improvements would push it to C (score 79). Main heating runs on electricity. At 47 m² this is the 18th smallest of 21 units on EPC record in Grange House, where floor areas span 28–49 m². The building's EPC ratings span F to B across 21 units on file.

It hasn't traded since October 2005, a hold of 21 years that's notably long for the area. Across the public record there are 4 sales, relatively high churn for a single property. Across 1995–2005, sale prices on this property compounded at 8.5% per year. Today's modelled estimate of £142,000 is 30.9% above the 2005 sale price. On a £-per-square-foot basis, the last sale (£214/sq ft) was about 65.6% above the typical sold price in the postcode.