16 Heol Berry, Gwaelod Y Garth, Cardiff, CF15 9HB

16 Heol Berry is a four-bedroom semi-detached house in Gwaelod-Y-Garth, Cardiff, Cardiff (CF15 9HB). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (November 2016) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in October 2015 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, hot-water efficiency went from Poor to Good and lighting went from Average to Very Good. The recommended improvements would lift it to B (score 81), a 2-band jump. The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. Records show the property has been extended at some point in its history.

Across 2001–2018, sale prices on this property compounded at 13.3% per year. Today's modelled estimate of £377,000 sits 83.5% above the 2018 sale of £205,500. On a £-per-square-foot basis, the last sale (£227/sq ft) was about 49.5% above the typical sold price in the postcode. One planning record on file: an extension approved in 2019. Past consents include an extension and a porch, meaningful when judging how the property has evolved. On the market in January 2018 and unlisted since — roughly 8 years.