15 Byron House, Wellington Street, Cambridge, CB1 1AN

15 Byron House is a one-bedroom detached house in Cambridge (CB1 1AN). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 2007-2011 and council tax band D. At 48 m² this is the 13th smallest of 14 units on EPC record in the building, where floor areas span 32–50 m². The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (65 versus a best of 85). Other recorded features include a balcony. The latest certificate (February 2022) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it C (October 2011); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Good and roof efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 79). Main heating runs on electricity.

At 48 m² the property is well over the postcode median (36 m² across 13 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 14 years since the last transfer (February 2012). Today's modelled estimate of £296,000 is 26% above the 2012 sale price.