1 Groome Court, Blind Lane, Flackwell Heath, High Wycombe, HP10 9LR

1 Groome Court is an end-of-terrace house in Flackwell Heath, High Wycombe, High Wycombe (HP10 9LR). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (March 2015) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in December 2014 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Very Good, lighting went from Good to Very Good and main heating went from Poor to Good; while hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 73). Main heating runs on electricity. The latest certificate is from March 2015, so improvements made since then won't be reflected.

Held since June 1997 — that's 29 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £556,000 sits 307.3% above the 1997 sale of £136,500. On a £-per-square-foot basis, the last sale (£111/sq ft) was about 23.1% below the postcode norm.