Number One, Flat 9, Albury Road, Guildford, GU1 2AH

Number One is a two-bedroom semi-detached house in Guildford (GU1 2AH). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 2003-2006 and council tax band C. At 57 m² this is the smallest unit on EPC record across Number One (57–119 m²). The building's EPC ratings span C to B, with this unit at the bottom. On EPC score it ranks last in the building (79 versus a best of 83). The latest certificate (January 2021) shows a C (score 79), near the top of the C band. The rating has held steady at C across 2 certificates since December 2010. Between certificates, lighting went from Very Poor to Very Good; while roof efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average.

Held since August 2005 — that's 21 years off the open market, well above the local norm. Today's modelled estimate of £333,000 is 18.9% above the 2005 sale price. On a £-per-square-foot basis, the last sale (£456/sq ft) was about 18.9% above the typical sold price in the postcode. At 57 m² it's 19.8% smaller than the typical home in the postcode (71 m² median across 8 EPCs).