3a, Mainwaring Drive, Saltney Ferry, Chester, CH4 0AX

3a is a one-bedroom semi-detached house in Saltney Ferry, Chester, Chester (CH4 0AX). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1976-1982 and council tax band A. At 57 m² this is the smallest unit on EPC record across the building (57–165 m²). The building's EPC ratings span F to C across 6 units on file. The latest certificate (January 2020) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2009. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Average to Very Good and hot-water efficiency went from Good to Very Good; while window efficiency dropped from Good to Average and lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 72).

Untraded for 22 years, with the last transfer in March 2004. Today's modelled estimate of £167,000 is 11.3% above the 2004 sale price. On a £-per-square-foot basis, the last sale (£244/sq ft) was about 52.9% above the typical sold price in the postcode. At 57 m² it's 19.7% smaller than the typical home in the postcode (71 m² median across 5 EPCs). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.