16 Springhill Road, Grendon Underwood, Aylesbury, HP18 0TE

16 Springhill Road is a semi-detached house in Grendon Underwood, Aylesbury, Aylesbury (HP18 0TE). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (October 2016) shows a G (score 8), near the bottom of the EPC scale. Earlier certificates rated it F (November 2009); the latest reading is one band lower. Between certificates, lighting went from Poor to Very Good; while roof efficiency dropped from Poor to Very Poor and main heating dropped from Poor to Very Poor. The recommended improvements would push it to F (score 35). Main heating runs on electricity.

Held since November 1999 — that's 27 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. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £264,000 sits 252% above the 1999 sale of £75,000. On a £-per-square-foot basis, the last sale (£85/sq ft) was about 47.8% below the postcode norm.