18 Larkspur Drive, Marchwood, Southampton, SO40 4JX

18 Larkspur Drive is a three-bedroom semi-detached house in Marchwood, Southampton, Southampton (SO40 4JX). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (July 2015) shows a D (score 64), on the cusp of jumping into the C band. Earlier certificates rated it C (August 2012); the latest reading is one band lower. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 89), a 2-band jump. The latest certificate is from July 2015, so improvements made since then won't be reflected. Other recorded features include a conservatory. Records show the property has been extended at some point in its history. The home occupies a cul-de-sac position.

At 73 m² the property is well over the postcode median (52 m² across 27 EPCs), placing it in the larger end of the local stock. Sold February 2021 for £280,000. 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 2001–2021, sale prices on this property compounded at 4.9% per year. Today's modelled estimate of £344,000 is 22.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£356/sq ft) was about 45.8% above the typical sold price in the postcode.