21b, Grundy Crescent, Kennington, Oxford, OX1 5PS

21b is a two-bedroom end-of-terrace house in Kennington, Oxford, Oxford (OX1 5PS). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 2023 and council tax band C. At 43 m² this is the smallest unit on EPC record across the building (43–158 m²). The building's EPC ratings span D to B, with this unit at the top. On EPC score it ranks first in the building (82 versus a worst of 60). Other recorded features include a conservatory. It has already been extended once and our model flags further extension potential, a sign of buyer flexibility. The latest certificate (February 2025) returns a B (score 82), comfortably above the UK average. When first surveyed in January 2019 the rating was D, the property has climbed 2 bands since. Between certificates, wall efficiency went from Average to Very Good, window efficiency went from Average to Good and hot-water efficiency went from Average to Very Good.

At 43 m² it sits well below the postcode median (85 m² across 22 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the top 10% of properties in this postcode. On a £-per-square-foot basis, the last sale (£670/sq ft) was about 120.5% above the typical sold price in the postcode. Most recent transfer: January 2020 at £310,000.