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

18 Neptune Apartments is a semi-detached house in Pentrechwyth, Swansea, Swansea (SA1 7FL). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 2007 onwards and council tax band C. The latest certificate (January 2020) shows a C (score 73). The rating has held steady at C across 2 certificates since August 2010. Between certificates, lighting dropped from Good to Poor. The recommended improvements would push it to B (score 85). Main heating runs on electricity. At 45 m² this is the 26th smallest of 34 units on EPC record in the building, where floor areas span 33–81 m². The building's EPC ratings span E to B across 34 units on file.

It changed hands recently, sold May 2025 for £90,000. At 45 m² it's 18.4% larger than the typical home in the postcode (38 m² median across 33 EPCs). Across 2020–2025, sale prices on this property compounded at 5.4% per year. Today's modelled estimate of £109,000 is 21.1% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£186/sq ft) was about 20.8% below the postcode norm.