9 The Old Saw Mill, Long Mill Lane, Platt, Sevenoaks, TN15 8QJ

9 The Old Saw Mill is a six-bedroom detached house in Platt, Sevenoaks, Sevenoaks (TN15 8QJ). It has a recorded floor area of 315 m² (around 3391 sq ft), construction records dating it to 1996-2002 and council tax band H. The latest certificate (September 2019) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since December 2009. Between certificates, lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 72).

At 315 m² the property is well over the postcode median (224 m² across 19 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. 6 bedrooms is on the larger side for this postcode, where 4 is the typical count. Sold October 2021 for £1,350,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 2004–2021, sale prices on this property compounded at 2.7% per year. Today's modelled estimate of £1,555,000 is 15.2% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£398/sq ft) was about 51.3% above the typical sold price in the postcode.