10 Cottesmore Court, London Road, Leigh On Sea, SS9 2QN

10 Cottesmore Court is a two-bedroom semi-detached house in Leigh On Sea (SS9 2QN). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1950-1966 and council tax band B. At 79 m² this is the 7th smallest of 10 units on EPC record in the building, where floor areas span 67–85 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 (49 versus a best of 71). The latest certificate (October 2016) shows an E (score 49), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 62).

Held since October 2008 — that's 18 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1996–2008, sale prices on this property compounded at 9% per year. Today's modelled estimate of £218,000 sits 96.4% above the 2008 sale of £111,000. On a £-per-square-foot basis, the last sale (£131/sq ft) was about 25.2% below the postcode norm.