10 Downlands Way, Rumney, Cardiff, CF3 3BY

10 Downlands Way is a one-bedroom end-of-terrace house in Rumney, Cardiff, Cardiff (CF3 3BY). It has a recorded floor area of 35 m² (around 377 sq ft), construction records dating it to 1976-1982 and council tax band B. The latest certificate (November 2024) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 2 certificates since July 2014. Between certificates, hot-water efficiency went from Poor to Average and lighting went from Average to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to C (score 77). Main heating runs on electricity. At 35 m² this is the 3rd smallest of 26 units on EPC record in the building, where floor areas span 33–60 m². The building's EPC ratings span E to C across 26 units on file.

A recent sale: £102,500 in February 2025. Across the public record there are 4 sales, relatively high churn for a single property. At 35 m² it sits well below the postcode median (53 m² across 25 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 72% of similar EPCs). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Across 2002–2025, sale prices on this property compounded at 2.9% per year. Today's modelled estimate of £124,000 is 21% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£272/sq ft) was about 32.9% above the typical sold price in the postcode.