11a, Abington Avenue, Northampton, NN1 4NY

11a is a three-bedroom mid-terrace house in Northampton (NN1 4NY). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1900-1929 and council tax band A. At 54 m² this is the 5th smallest of 16 units on EPC record in the building, where floor areas span 35–154 m². The building's EPC ratings span F to C, with this unit at the top. Other recorded features include a basement. Period features are noted in the property record. The latest certificate (March 2026) shows a C (score 78), near the top of the C band. When first surveyed in November 2008 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Good; while hot-water efficiency dropped from Good to Average and main heating dropped from Good to Average. The recommended improvements would push it to B (score 81). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.

It hasn't traded since January 2004, a hold of 23 years that's notably long for the area. At 54 m² it sits well below the postcode median (115 m² across 15 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 80% of similar EPCs). Across 2000–2004, sale prices on this property compounded at 19.6% per year. Today's modelled estimate of £199,000 is 37.2% above the 2004 sale price. On a £-per-square-foot basis, the last sale (£249/sq ft) was about 98.9% above the typical sold price in the postcode.