23 Berrydale, Northampton, NN3 5EQ

23 Berrydale is a four-bedroom detached house in Northampton (NN3 5EQ). It has a recorded floor area of 154 m² (around 1658 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (April 2026) shows a C (score 69), just inside the C band. When first surveyed in March 2011 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Average to Good and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. This certificate was lodged in the last six months, so the rating reflects current condition. Our model identifies extension potential, subject to local planning policy.

At 154 m² the property is well over the postcode median (112 m² across 13 EPCs), placing it in the larger end of the local stock. Most recent transfer: November 2022 at £460,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 2008–2022, sale prices on this property compounded at 4.6% per year. On a £-per-square-foot basis, the last sale (£278/sq ft) was about 42.6% above the typical sold price in the postcode. One historical planning record sits against the property in 2026.