23 Castle Street, Hay On Wye, Hereford, HR3 5DF

23 Castle Street is a two-bedroom mid-terrace house in Hay-On-Wye, Hereford, Hereford (HR3 5DF). It has a recorded floor area of 101 m² (around 1087 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (March 2020) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it B (February 2009); the latest reading is 2 bands lower. Between certificates, lighting went from Poor to Good; while wall efficiency dropped from Good to Very Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 80). At 101 m² this is the 8th smallest of 16 units on EPC record in the building, where floor areas span 59–185 m². The building's EPC ratings span F to C across 16 units on file. Other recorded features include a self-contained annexe.

Across 2003–2025, sale prices on this property compounded at 3.6% per year. Today's modelled estimate of £238,000 is 32.5% below the 2025 sale of £352,500, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£324/sq ft) was about 84.5% above the typical sold price in the postcode. It changed hands recently, sold September 2025 for £352,500. One planning record on file: new windows approved in 2006. Past consents include new windows, meaningful when judging how the property has evolved.