Flat 3, 39 Eaton Road, Sutton, SM2 5EA

Flat 3 is a three-bedroom detached house in Sutton (SM2 5EA). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1900-1929 and council tax band C. At 103 m² this is the largest unit on EPC record across the building (56–103 m²). The building's EPC ratings span D to B, with this unit at the top. On EPC score it ranks first in the building (81 versus a worst of 59). The latest certificate (August 2023) returns a B (score 81), comfortably above the UK average. When first surveyed in April 2012 the rating was E, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Very Good, roof efficiency went from Very Poor to Good and hot-water efficiency went from Average to Good; while window efficiency dropped from Good to Average.

Held since December 2007 — that's 18 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Sale prices here have outpaced Sutton HPI: 10.7% per year against 0% for the wider region. Today's modelled estimate of £331,000 sits 72.4% above the 2007 sale of £192,000. On a £-per-square-foot basis, the last sale (£173/sq ft) was about 40.6% below the postcode norm. At 103 m² the property is well over the postcode median (61 m² across 4 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.