21a, Glasford Street, Wandsworth, London, SW17 9HL

21a is a three-bedroom mid-terrace house in Wandsworth, London, London (SW17 9HL). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1900-1929 and council tax band C. At 108 m² this is the 50th smallest of 51 units on EPC record in the building, where floor areas span 46–131 m². The building's EPC ratings span G to C, with this unit at the top. The latest certificate (August 2018) shows a C (score 76), near the top of the C band. When first surveyed in September 2013 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Average to Good, window efficiency went from Poor to Average and hot-water efficiency went from Average to Good.

Sale prices here have outpaced London HPI: 11.8% per year against 0% for the wider region. Today's modelled estimate of £638,000 sits 59.5% above the 2014 sale of £399,950. At 108 m² the property is well over the postcode median (63 m² across 51 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 71% of similar EPCs). Last changed hands 12 years ago, in February 2014. Across the public record there are 5 sales, relatively high churn for a single property. One planning record on file: an extension approved in 2015. Past consents include an extension, meaningful when judging how the property has evolved.