30a, Portsmouth Road, Guildford, GU2 4DJ

30a is a one-bedroom semi-detached house in Guildford (GU2 4DJ). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1950-1966 and council tax band C. At 46 m² this is the smallest unit on EPC record across the building (46–140 m²). The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (June 2017) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in October 2008 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Poor and hot-water efficiency went from Good to Very Good. The recommended improvements would push it to C (score 70).

It hasn't traded since February 2002, a hold of 24 years that's notably long for the area. One planning record on file: tree works approved in 2021. Past consents include tree works, meaningful when judging how the property has evolved. Across 1998–2002, sale prices on this property compounded at 17.9% per year. Today's modelled estimate of £308,000 is 35.1% above the 2002 sale price. On a £-per-square-foot basis, the last sale (£460/sq ft) was about 101% above the typical sold price in the postcode.