21 Cooper Road, Ashurst, Southampton, SO40 7DB

21 Cooper Road is a three-bedroom detached house in Ashurst, Southampton, Southampton (SO40 7DB). It has a recorded floor area of 149 m² (around 1604 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (June 2026) shows a C (score 74). When first surveyed in September 2012 the rating was E, the property has climbed 2 bands since. Between certificates, window efficiency went from Poor to Average, hot-water efficiency went from Average to Good and lighting went from Average to Very Good; while roof efficiency dropped from Very Good to Good. This certificate was lodged in the last six months, so the rating reflects current condition. Our model identifies extension potential, subject to local planning policy. The home occupies a corner plot.

At 149 m² the property is well over the postcode median (112 m² across 4 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). Across 2013–2015, sale prices on this property compounded at 8.7% per year. Today's modelled estimate of £620,000 sits 74.6% above the 2015 sale of £355,000. On a £-per-square-foot basis, the last sale (£221/sq ft) was about 38.1% below the postcode norm. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last sold in November 2015, so it's been off the market for around 11 years.