9a, Park Walk, Brigstock, Kettering, NN14 3HH

9a is a detached house in Brigstock, Kettering, Kettering (NN14 3HH). It has a recorded floor area of 209 m² (around 2250 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (May 2014) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since September 2009. Between certificates, window efficiency went from Very Poor to Good and lighting went from Poor to Average. The recommended improvements would lift it to C (score 70), a 2-band jump. Main heating runs on electricity. The latest certificate is from May 2014, so improvements made since then won't be reflected.

Held since November 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £613,000 sits 88.6% above the 2009 sale of £325,000. On a £-per-square-foot basis, the last sale (£144/sq ft) was about 32.4% below the postcode norm. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include tree works, meaningful when judging how the property has evolved.