Flat 3, 21 Cardigan Road, Richmond, TW10 6BJ

Flat 3 is a one-bedroom mid-terrace house in Richmond (TW10 6BJ). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 1900-1929 and council tax band D. At 38 m² this is the 4th smallest of 7 units on EPC record in the building, where floor areas span 35–66 m². The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (74 versus a worst of 39). Period features are noted in the property record. The latest certificate (September 2021) shows a C (score 74). When first surveyed in February 2011 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Poor to Very Good.

Most recent transfer was March 2025 at £390,000 — fresh data. At 38 m² it sits well below the postcode median (64 m² across 69 EPCs), making it one of the more compact homes locally. Across 1998–2025, sale prices on this property compounded at 4.6% per year. Today's modelled estimate of £440,000 is 12.8% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£953/sq ft) was about 109.4% above the typical sold price in the postcode.