12 Brackenfield Square, Northampton, NN3 5AS

12 Brackenfield Square is a detached house in Northampton (NN3 5AS). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1967-1975 and council tax band A. At 59 m² this is the 13th smallest of 24 units on EPC record in the building, where floor areas span 53–117 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (60 versus a best of 79). The latest certificate (July 2026) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2015. Between certificates, lighting went from Poor to Average; while roof efficiency dropped from Good to Average and main heating dropped from Average to Poor. The recommended improvements would push it to C (score 72). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.

It lags the bulk of the postcode on energy efficiency (less efficient than 78% of similar EPCs). Across 1996–2024, sale prices on this property compounded at 6.7% per year. Today's modelled estimate of £122,000 is 22% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£157/sq ft) was about 32.5% above the typical sold price in the postcode. Sold February 2024 for £100,000.