30 Warwick Avenue, Staines Upon Thames, TW18 1DP

30 Warwick Avenue is a five-bedroom semi-detached house in Staines Upon Thames (TW18 1DP). It has a recorded floor area of 112 m² (around 1206 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (January 2025) shows a D (score 68), on the cusp of jumping into the C band. Earlier certificates rated it C (March 2009); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good and lighting went from Average 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 84), a 2-band jump.

It hasn't traded since October 2009, a hold of 17 years that's notably long for the area. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. At 112 m² the property is well over the postcode median (65 m² across 6 EPCs), placing it in the larger end of the local stock. Across 2002–2009, sale prices on this property compounded at 3.6% per year. Today's modelled estimate of £514,000 sits 130.5% above the 2009 sale of £223,000. On a £-per-square-foot basis, the last sale (£185/sq ft) was about 48.7% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.