22 Mountain Street, Rhosllanerchrugog, Wrexham, LL14 1BT

22 Mountain Street is a two-bedroom detached house in Rhosllanerchrugog, Wrexham, Wrexham (LL14 1BT). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 1976-1982 and council tax band A. At 65 m² this is the 12th smallest of 14 units on EPC record in the building, where floor areas span 43–72 m². The building's EPC ratings span E to B, with this unit at the bottom. On EPC score it ranks last in the building (54 versus a best of 86). The latest certificate (April 2021) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since September 2010. Between certificates, hot-water efficiency went from Very Poor to Average, lighting went from Poor to Very Good and main heating went from Poor to Average; while wall efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on electricity.

At 65 m² the property is well over the postcode median (48 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. Across 2018–2021, sale prices on this property compounded at 5% per year. Today's modelled estimate of £104,000 is 25.3% above the 2021 sale price. Sold December 2021 for £83,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.