22b, Guildford Street, Luton, LU1 2NR

22b is a mid-terrace house in Luton (LU1 2NR). It has a recorded floor area of 36 m² (around 388 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (September 2021) shows an E (score 51), well below the UK norm with real room to improve. When first surveyed in October 2010 the rating was F, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good; while window efficiency dropped from Average to Poor. The recommended improvements would lift it to C (score 74), a 2-band jump. Main heating runs on to be used only when there is no heating/hot. At 36 m² this is the 7th smallest of 19 units on EPC record in the building, where floor areas span 29–359 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (51 versus a best of 78).

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Sold April 2022 for £130,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 2007–2022, sale prices on this property compounded at 1% per year. On a £-per-square-foot basis, the last sale (£335/sq ft) was about 67.3% above the typical sold price in the postcode.