6 Ashdown House, 11 Sydney Road, Guildford, GU1 3LL

6 Ashdown House is a two-bedroom semi-detached house in Guildford (GU1 3LL). It has a recorded floor area of 55 m² (around 592 sq ft) and construction records dating it to 1991-1995. At 55 m² this is the 3rd smallest of 6 units on EPC record in the building, where floor areas span 45–58 m². On EPC score it ranks last in the building (70 versus a best of 80). The latest certificate (October 2019) shows a C (score 70). The rating has held steady at C across 2 certificates since May 2009. Between certificates, lighting went from Poor to Very Good.

Held since December 1995 — that's 30 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 £352,000 sits 410.1% above the 1995 sale of £69,000. On a £-per-square-foot basis, the last sale (£117/sq ft) was about 65.4% below the postcode norm.