36 Portland Street, Mansfield, NG18 1HD

36 Portland Street is a mid-terrace house in Mansfield (NG18 1HD). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (January 2025) shows an F (score 23), near the bottom of the EPC scale. Earlier certificates rated it E (April 2010); the latest reading is one band lower. Between certificates, window efficiency went from Poor to Average and lighting went from Good to Very Good; while hot-water efficiency dropped from Poor to Very Poor and main heating dropped from Average to Very Poor. The recommended improvements would lift it to D (score 67), a 2-band jump. Main heating runs on electricity. At 49 m² this is the 2nd smallest of 8 units on EPC record in the building, where floor areas span 34–73 m². The building's EPC ratings span F to C, with this unit at the bottom. On EPC score it ranks last in the building (23 versus a best of 75).

At 49 m² it's 27.9% smaller than the typical home in the postcode (68 m² median across 7 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2002–2015, sale prices on this property compounded at 8% per year. Today's modelled estimate of £110,000 sits 130.4% above the 2015 sale of £47,750. On a £-per-square-foot basis, the last sale (£91/sq ft) was about 81.2% above the typical sold price in the postcode. Last changed hands 11 years ago, in October 2015.