12 Blackthorne Close, Balderton, Newark, NG24 3ER

12 Blackthorne Close is a two-bedroom semi-detached house in Balderton, Newark, Newark (NG24 3ER). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1976-1982 and council tax band A. The latest certificate (March 2015) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it C (April 2009); the latest reading is one band lower. Between certificates, roof efficiency went from Average to Good; while lighting dropped from Good to Poor. The recommended improvements would lift it to B (score 89), a 2-band jump. The latest certificate is from March 2015, so improvements made since then won't be reflected. Other recorded features include a conservatory.

Held since November 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 2002–2009, sale prices on this property compounded at 9.9% per year. Today's modelled estimate of £166,000 sits 55.9% above the 2009 sale of £106,500. On a £-per-square-foot basis, the last sale (£177/sq ft) was about 146.3% above the typical sold price in the postcode.