14 Warrenhyrst, 15 Warren Road, Guildford, GU1 2HD

14 Warrenhyrst is a semi-detached house in Guildford (GU1 2HD). It has a recorded floor area of 52 m² (around 560 sq ft) and construction records dating it to 1967-1975. At 52 m² this is the 12th smallest of 15 units on EPC record in the building, where floor areas span 38–60 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (December 2013) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since November 2013. Between certificates, wall efficiency went from Poor to Good. The recommended improvements would push it to D (score 62). Main heating runs on electricity. The latest certificate is from December 2013, so improvements made since then won't be reflected.

It hasn't traded since August 1996, a hold of 30 years that's notably long for the area. 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 £247,000 sits 312% above the 1996 sale of £59,950. On a £-per-square-foot basis, the last sale (£107/sq ft) was about 67.8% below the postcode norm. At 52 m² it's 16.9% larger than the typical home in the postcode (45 m² median across 16 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs).