11a, Sackville Street, Reading, RG1 1NT

11a is a mid-terrace house in Reading (RG1 1NT). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (January 2019) shows an E (score 40), well below the UK norm with real room to improve. When first surveyed in January 2009 the rating was F, the property has climbed 1 band since. Between certificates, main heating went from Poor to Average; while window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 70), a 2-band jump. Main heating runs on electricity. At 41 m² this is the 6th smallest of 26 units on EPC record in the building, where floor areas span 33–115 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (40 versus a best of 71).

Today's modelled estimate of £209,000 is 43.7% below the 2024 sale of £371,250, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£841/sq ft) was about 183.3% above the typical sold price in the postcode. Most recent transfer was December 2024 at £371,250 — fresh data. At 41 m² it sits well below the postcode median (69 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). One historical planning record sits against the property in 2025.