9 Blackwell Avenue, Guildford, GU2 8LU

9 Blackwell Avenue is a four-bedroom semi-detached house in Guildford (GU2 8LU). It has a recorded floor area of 123 m² (around 1324 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (April 2021) shows a C (score 72). When first surveyed in February 2010 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Poor to Average and window efficiency went from Very Poor to Average. The recommended improvements would push it to B (score 82).

Held since June 1996 — 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. At 123 m² the property is well over the postcode median (89 m² across 25 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £543,000 sits 654.2% above the 1996 sale of £72,000. On a £-per-square-foot basis, the last sale (£54/sq ft) was about 83% below the postcode norm.