21 Dogo Street, Cardiff, CF11 9JJ

21 Dogo Street is a four-bedroom end-of-terrace house in Cardiff (CF11 9JJ). It has a recorded floor area of 210 m² (around 2260 sq ft), construction records dating it to before 1900 and council tax band C. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. Other recorded features include a balcony, a conservatory and outbuildings. The latest certificate (October 2022) shows an F (score 38), near the bottom of the EPC scale. The rating has held steady at F across 2 certificates since May 2011. Between certificates, window efficiency went from Very Poor to Poor; while roof efficiency dropped from Good to Poor and lighting dropped from Very Good to Average. The recommended improvements would lift it to C (score 70), a 3-band jump.

Across 2000–2025, sale prices on this property compounded at 5.8% per year. Today's modelled estimate of £807,000 is 14.6% below the 2025 sale of £945,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£418/sq ft) was about 98% above the typical sold price in the postcode. One planning application is currently pending a decision in 2026. At 210 m² the property is well over the postcode median (119 m² across 19 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. A recent sale: £945,000 in July 2025.