21 Windsor Street South, Birmingham, B7 4HX

21 Windsor Street South is a mid-terrace house in Birmingham (B7 4HX). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1950-1966 and council tax band A. At 59 m² this is the largest unit on EPC record across the building (39–59 m²). The building's EPC ratings span E to C across 11 units on file. The latest certificate (November 2015) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 2 certificates since January 2010. Between certificates, lighting went from Very Poor to Very Good and main heating went from Average to Good; while hot-water efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 76). The latest certificate is from November 2015, so improvements made since then won't be reflected.

At 59 m² the property is well over the postcode median (45 m² across 10 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs).