The Firs, Grand View Avenue, Biggin Hill, Westerham, TN16 3XB

The Firs is a four-bedroom detached house in Biggin Hill, Westerham, Westerham (TN16 3XB). It has a recorded floor area of 98 m² (around 1055 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (November 2024) returns a high B (score 87), putting the home a stone's throw from an A rating. When first surveyed in August 2016 the rating was C, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good. The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal.

Held since November 1999 — that's 27 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £527,000 sits 263.4% above the 1999 sale of £145,000. On a £-per-square-foot basis, the last sale (£137/sq ft) was about 60.1% below the postcode norm. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved.