35a, High Street, Walton On Thames, KT12 1DG

35a is a two-bedroom mid-terrace house in Walton On Thames (KT12 1DG). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (August 2022) shows an F (score 30), near the bottom of the EPC scale. Earlier certificates rated it D (June 2022); the latest reading is 2 bands lower. Between certificates, window efficiency dropped from Good to Poor and hot-water efficiency dropped from Good to Very Poor. The recommended improvements would lift it to D (score 65), a 2-band jump. Main heating runs on electricity. At 94 m² this is the 8th smallest of 10 units on EPC record in the building, where floor areas span 33–95 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 71). Other recorded features include a balcony.

It hasn't traded since January 2002, a hold of 24 years that's notably long for the area. At 94 m² the property is well over the postcode median (47 m² across 9 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). Across 1997–2002, sale prices on this property compounded at 11.5% per year. Today's modelled estimate of £409,000 is 29.8% above the 2002 sale price. One planning record on file: subdivision refused in 2005.