17b, Catherine Hill, Frome, BA11 1BZ

17b is a one-bedroom mid-terrace house in Frome (BA11 1BZ). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to before 1900 and council tax band A. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. At 69 m² this is the 12th smallest of 20 units on EPC record in the building, where floor areas span 24–121 m². The building's EPC ratings span E to C across 20 units on file. The latest certificate (July 2023) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2012. Between certificates, window efficiency went from Poor to Good and lighting went from Average to Very Good. The recommended improvements would push it to C (score 69).

Held since August 2004 — that's 22 years off the open market, well above the local norm. At 69 m² the property is well over the postcode median (49 m² across 19 EPCs), placing it in the larger end of the local stock. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Across 2000–2004, sale prices on this property compounded at 16.9% per year. Today's modelled estimate of £202,000 sits 92.4% above the 2004 sale of £105,000. On a £-per-square-foot basis, the last sale (£141/sq ft) was about 41.4% below the postcode norm.