20 Orion Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7FX

20 Orion Apartments is a one-bedroom mid-terrace house in Pentrechwyth, Swansea, Swansea (SA1 7FX). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 2007-2011 and council tax band C. The latest certificate (September 2023) returns a high B (score 85), putting the home a stone's throw from an A rating. The rating has held steady at B across 2 certificates since May 2011. Between certificates, hot-water efficiency went from Very Poor to Poor and lighting went from Good to Very Good; while wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Good. Main heating runs on electricity. At 38 m² this is the 11th smallest of 38 units on EPC record in the building, where floor areas span 37–124 m². The building's EPC ratings span D to B, with this unit at the top. Other recorded features include a balcony.

Its energy rating outperforms most of the postcode (better than 73% of similar EPCs). Last changed hands 12 years ago, in May 2014. Today's modelled estimate of £106,000 is 20.5% above the 2014 sale price.