21 Martins Hill Lane, Burton, Christchurch, BH23 7NJ

21 Martins Hill Lane is a four-bedroom detached house in Burton, Christchurch, Christchurch (BH23 7NJ). It has a recorded floor area of 147 m² (around 1582 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (April 2018) shows a C (score 75), near the top of the C band. When first surveyed in June 2009 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Good and window efficiency went from Average to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 83).

At 147 m² the property is well over the postcode median (104 m² across 14 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 79% of similar EPCs). Across 2014–2020, sale prices on this property compounded at 9.5% per year. Today's modelled estimate of £521,000 is 15.8% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£284/sq ft) was about 23.1% above the typical sold price in the postcode. Last sale on file: £450,000 in January 2020. One historical planning record sits against the property in 2017.