27 Arnold Avenue, Gonerby Hill Foot, Grantham, NG31 8HN

27 Arnold Avenue is a three-bedroom semi-detached house in Gonerby Hill Foot, Grantham, Grantham (NG31 8HN). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (October 2013) shows an E (score 44), well below the UK norm with real room to improve. Earlier certificates rated it D (March 2009); the latest reading is one band lower. Between certificates, wall efficiency went from Poor to Good and lighting went from Very Poor to Very Good; while roof efficiency dropped from Average to Very Poor and hot-water efficiency dropped from Good to Average. The recommended improvements would push it to D (score 67). The latest certificate is from October 2013, so improvements made since then won't be reflected. Other recorded features include a conservatory.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Last sale on file: £152,500 in April 2021. Across the public record there are 5 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 2004–2021, sale prices on this property compounded at 2.1% per year. Today's modelled estimate of £208,000 is 36.4% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£191/sq ft) was about 41.7% above the typical sold price in the postcode.