Flat 1, 9 St Thomas Square, Monmouth, NP25 5ES

Flat 1 is a one-bedroom mid-terrace house in Monmouth (NP25 5ES). It has a recorded floor area of 47 m² (around 506 sq ft) and construction records dating it to before 1900. At 47 m² this is the smallest unit on EPC record across the building (47–47 m²). The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (64 versus a best of 72). The latest certificate (August 2020) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 75). Main heating runs on electricity.

Today's modelled estimate of £150,000 is 40.7% below the 2025 sale of £253,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£500/sq ft) was about 218.3% above the typical sold price in the postcode. A recent sale: £253,000 in July 2025.