11 Rombald Grange, Crossbeck Road, Ilkley, LS29 9JL

11 Rombald Grange is an end-of-terrace house in Ilkley (LS29 9JL). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (December 2023) shows an F (score 30), near the bottom of the EPC scale. Earlier certificates rated it D (February 2015); the latest reading is 2 bands lower. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Good to Poor and window efficiency dropped from Good to Poor. The recommended improvements would lift it to D (score 61), a 2-band jump. Main heating runs on electricity. At 61 m² this is the 3rd smallest of 7 units on EPC record in the building, where floor areas span 52–90 m². The building's EPC ratings span F to C, with this unit at the bottom. On EPC score it ranks last in the building (30 versus a best of 80).

Untraded for 21 years, with the last transfer in March 2005. Today's modelled estimate of £403,000 sits 67.9% above the 2005 sale of £240,000. On a £-per-square-foot basis, the last sale (£366/sq ft) was about 20% above the typical sold price in the postcode. At 61 m² it's 25.2% smaller than the typical home in the postcode (82 m² median across 10 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs).