9 Allerton Grove, Birkenhead, CH42 5LR

9 Allerton Grove is a three-bedroom mid-terrace house in Birkenhead (CH42 5LR). It has a recorded floor area of 101 m² (around 1087 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (September 2022) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since January 2011. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 81), a 3-band jump.

It hasn't traded since April 2007, a hold of 19 years that's notably long for the area. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1998–2007, sale prices on this property compounded at 16.6% per year. Today's modelled estimate of £127,000 is 15.5% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£101/sq ft) was about 49.1% above the typical sold price in the postcode.