22 Cawthorne Avenue, Grappenhall, Warrington, WA4 2LP

22 Cawthorne Avenue is a semi-detached house in Grappenhall, Warrington, Warrington (WA4 2LP). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (November 2014) shows an E (score 46), well below the UK norm with real room to improve. Earlier certificates rated it D (August 2009); the latest reading is one band lower. Between certificates, roof efficiency dropped from Good to Very Poor and lighting dropped from Average to Very Poor. The recommended improvements would lift it to C (score 73), a 2-band jump. The latest certificate is from November 2014, so improvements made since then won't be reflected.

Across 1998–2014, sale prices on this property compounded at 4.8% per year. Today's modelled estimate of £296,000 sits 103.4% above the 2014 sale of £145,500. On a £-per-square-foot basis, the last sale (£125/sq ft) was about 28.8% below the postcode norm. Last sold in January 2014, so it's been off the market for around 12 years. Across the public record there are 4 sales, relatively high churn for a single property. One planning record on file: an extension approved in 2018. Past consents include an extension, meaningful when judging how the property has evolved. At 108 m² it's 27.1% larger than the typical home in the postcode (85 m² median across 31 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 77% of similar EPCs).