12 Denmark Street, Diss, IP22 4LE

12 Denmark Street is a semi-detached house in Diss (IP22 4LE). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (February 2020) shows an E (score 44), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since May 2014. Between certificates, window efficiency went from Poor to Average. The recommended improvements would lift it to C (score 71), a 2-band jump.

At 109 m² the property is well over the postcode median (79 m² across 31 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 74% of similar EPCs). Across 2002–2015, sale prices on this property compounded at 1.7% per year. Today's modelled estimate of £270,000 sits 54.3% above the 2015 sale of £175,000. On a £-per-square-foot basis, the last sale (£149/sq ft) was about 26.6% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include change of use to residential, meaningful when judging how the property has evolved. On the market in April 2015 and unlisted since — roughly 11 years.