17a, Grove Road, Surbiton, KT6 4BX

17a is a three-bedroom detached house in Surbiton (KT6 4BX). It has a recorded floor area of 98 m² (around 1055 sq ft), construction records dating it to before 1900 and council tax band D. At 98 m² this is the 41st smallest of 43 units on EPC record in the building, where floor areas span 31–112 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (51 versus a best of 78). Other recorded features include a basement. Period features are noted in the property record. The latest certificate (July 2014) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 76), a 2-band jump. The latest certificate is from July 2014, so improvements made since then won't be reflected.

At 98 m² the property is well over the postcode median (65 m² across 42 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2001–2015, sale prices on this property compounded at 6.1% per year. Today's modelled estimate of £552,000 is 12.7% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£465/sq ft) was about 25% above the typical sold price in the postcode. Last sold in September 2015, so it's been off the market for around 11 years. 2 planning records sit against the property, 0 approved, 2 refused.