11d Baden House, Harrismith Road, Cardiff, CF23 5DG

11d Baden House is a two-bedroom semi-detached house in Cardiff (CF23 5DG). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1967-1975 and council tax band D. At 67 m² this is the 5th smallest of 8 units on EPC record in the building, where floor areas span 62–76 m². The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (73 versus a worst of 66). Other recorded features include a conservatory and outbuildings. The latest certificate (July 2026) shows a C (score 73). When first surveyed in August 2016 the rating was D, the property has climbed 1 band since. Between certificates, lighting dropped from Very Good to Good. This certificate was lodged in the last six months, so the rating reflects current condition.

At 67 m² it sits well below the postcode median (105 m² across 23 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 74% of similar EPCs). Last changed hands 9 years ago, in May 2017. Across the public record there are 4 sales, relatively high churn for a single property. Across 1997–2017, sale prices on this property compounded at 6.9% per year. Today's modelled estimate of £225,000 is 30.8% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£238/sq ft) was about 22.6% above the typical sold price in the postcode.