15 Cawthorne Avenue, Grappenhall, Warrington, WA4 2LP

15 Cawthorne Avenue is a three-bedroom semi-detached house in Grappenhall, Warrington, Warrington (WA4 2LP). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (March 2022) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2011. Between certificates, roof efficiency went from Very Poor to Poor and lighting went from Average to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 84), a 2-band jump.

Last sale on file: £320,000 in September 2022. 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 2002–2022, sale prices on this property compounded at 5.7% per year. Today's modelled estimate of £360,000 is 12.5% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£437/sq ft) was about 162.1% above the typical sold price in the postcode. At 68 m² it's 20.8% smaller than the typical home in the postcode (86 m² median across 31 EPCs). One historical planning record sits against the property in 2007.