21 Garratts Way, High Wycombe, HP13 5BX

21 Garratts Way is a two-bedroom semi-detached house in High Wycombe (HP13 5BX). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1976-1982 and council tax band C. At 59 m² this is the 11th smallest of 15 units on EPC record in the building, where floor areas span 38–103 m². The building's EPC ratings span D to C, with this unit at the bottom. Other recorded features include a balcony. The latest certificate (August 2020) shows a D (score 68), on the cusp of jumping into the C band. Earlier certificates rated it C (October 2009); the latest reading is one band lower. Between certificates, window efficiency went from Poor to Average, hot-water efficiency went from Very Poor to Average and lighting went from Average to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to C (score 79). Main heating runs on electricity.

Held since May 2002 — that's 24 years off the open market, well above the local norm. Sale prices here have outpaced England HPI: 13% per year against 0% for the wider region. Today's modelled estimate of £195,000 sits 65.3% above the 2002 sale of £118,000. On a £-per-square-foot basis, the last sale (£186/sq ft) was about 25.3% below the postcode norm. At 59 m² it's 28.3% larger than the typical home in the postcode (46 m² median across 14 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs).