17 The Avenue, Dallington, Northampton, NN5 7AJ

17 The Avenue is a six-bedroom semi-detached house in Dallington, Northampton, Northampton (NN5 7AJ). It has a recorded floor area of 437 m² (around 4704 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (July 2023) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in March 2011 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Poor to Very Good. The recommended improvements would lift it to B (score 82), a 2-band jump.

Held since June 2007 — that's 19 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 437 m² the property is well over the postcode median (192 m² across 31 EPCs), placing it in the larger end of the local stock. Across 1996–2007, sale prices on this property compounded at 15.1% per year. Today's modelled estimate of £1,107,000 is 28.7% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£183/sq ft) was about 15.8% above the typical sold price in the postcode. One historical planning record sits against the property in 2005.