17 Ashwood Grange, Thornley, Durham, DH6 3ET

17 Ashwood Grange is a four-bedroom detached house in Thornley, Durham, Durham (DH6 3ET). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (August 2014) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it D (September 2013); the latest reading is one band lower. Between certificates, wall efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 86), a 3-band jump. The latest certificate is from August 2014, so improvements made since then won't be reflected.

At 78 m² it's 24.3% smaller than the typical home in the postcode (103 m² median across 17 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs). 4 bedrooms is on the larger side for this postcode, where 2 is the typical count. Across 2002–2014, sale prices on this property compounded at 4.4% per year. Today's modelled estimate of £184,000 is 31.4% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£167/sq ft) was about 55.7% above the typical sold price in the postcode. Last changed hands 12 years ago, in February 2014. One historical planning record sits against the property in 2019.