9a, Rosegrove Lane, Burnley, BB12 6HX

9a is a one-bedroom mid-terrace house in Burnley (BB12 6HX). It has a recorded floor area of 34 m² (around 366 sq ft) and construction records dating it to 1950-1966. The latest certificate (March 2021) shows a D (score 58), a step below the typical UK home. When first surveyed in September 2017 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Very Poor. The recommended improvements would push it to C (score 70). Main heating runs on electricity. At 34 m² this is the 2nd smallest of 20 units on EPC record in the building, where floor areas span 33–110 m². The building's EPC ratings span F to C across 20 units on file.

Untraded for 21 years, with the last transfer in April 2005. Today's modelled estimate of £114,000 sits 470% above the 2005 sale of £20,000. On a £-per-square-foot basis, the last sale (£55/sq ft) was about 26.7% below the postcode norm. At 34 m² it sits well below the postcode median (73 m² across 19 EPCs), making it one of the more compact homes locally. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.