11a, Brackley Road, Towcester, NN12 6DH

11a is a one-bedroom semi-detached house in Towcester (NN12 6DH). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (November 2017) shows an E (score 48), well below the UK norm with real room to improve. When first surveyed in November 2013 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Average to Very Good and window efficiency went from Very Poor to Average. The recommended improvements would push it to D (score 64). Main heating runs on electricity. At 56 m² this is the 4th smallest of 26 units on EPC record in the building, where floor areas span 46–410 m². The building's EPC ratings span E to B, with this unit at the bottom.

Untraded for 25 years, with the last transfer in April 2001. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £166,000 sits 121.3% above the 2001 sale of £75,000. On a £-per-square-foot basis, the last sale (£124/sq ft) was about 49.8% below the postcode norm. At 56 m² it sits well below the postcode median (174 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.