8 Knowle Park Avenue, Staines Upon Thames, TW18 1AN

8 Knowle Park Avenue is a five-bedroom semi-detached house in Staines Upon Thames (TW18 1AN). It has a recorded floor area of 186 m² (around 2002 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (March 2023) shows a C (score 72). When first surveyed in December 2013 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Good, window efficiency went from Very Poor to Good and hot-water efficiency went from Average to Good. The recommended improvements would push it to B (score 85).

At 186 m² the property is well over the postcode median (131 m² across 8 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include a loft conversion and an extension, meaningful when judging how the property has evolved. Across 1999–2018, sale prices on this property compounded at 6% per year. Today's modelled estimate of £759,000 is 39.3% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£272/sq ft) was about 18.6% below the postcode norm. Most recent transfer: June 2018 at £545,000.