29 Neptune Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7FL

29 Neptune Apartments is a two-bedroom end-of-terrace house in Pentrechwyth, Swansea, Swansea (SA1 7FL). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 2007-2011 and council tax band D. The latest certificate (January 2021) shows a D (score 55), a step below the typical UK home. The rating has held steady at D across 3 certificates since July 2009. Between certificates, 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. The recommended improvements would push it to C (score 76). Main heating runs on electricity. At 63 m² this is the 29th smallest of 33 units on EPC record in the building, where floor areas span 33–81 m². The building's EPC ratings span E to B across 33 units on file. Other recorded features include a basement.

At 63 m² the property is well over the postcode median (38 m² across 32 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs). Across 2008–2017, sale prices on this property compounded at -1.8% per year. Today's modelled estimate of £133,000 is 16.7% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£168/sq ft) was about 28.6% below the postcode norm. Last sold in August 2017, so it's been off the market for around 9 years.