11a, Cadbury Road, Portishead, Bristol, BS20 6QF

11a is a two-bedroom semi-detached house in Portishead, Bristol, Bristol (BS20 6QF). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (November 2025) shows a C (score 73). When first surveyed in January 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Average, hot-water efficiency went from Average to Good and main heating went from Average to Good; while lighting dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition. At 65 m² this is the 8th smallest of 28 units on EPC record in the building, where floor areas span 62–108 m². The building's EPC ratings span E to A across 28 units on file.

It hasn't traded since July 2009, a hold of 17 years that's notably long for the area. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £168,000 sits 93.1% above the 2009 sale of £87,000. On a £-per-square-foot basis, the last sale (£124/sq ft) was about 48.2% below the postcode norm.