191 Harrowdene Gardens, Teddington, TW11 0DW

191 Harrowdene Gardens is a one-bedroom mid-terrace house in Teddington (TW11 0DW). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (February 2023) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2013. Between certificates, roof efficiency went from Poor to Good and lighting went from Poor to Very Good; while main heating dropped from Good to Very Poor. The recommended improvements would push it to C (score 80). Main heating runs on electricity. At 43 m² this is the 3rd smallest of 25 units on EPC record in the building, where floor areas span 40–46 m². The building's EPC ratings span E to C across 25 units on file. Period features are noted in the property record.

Held since May 1997 — that's 29 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. Today's modelled estimate of £324,000 sits 392.8% above the 1997 sale of £65,750. On a £-per-square-foot basis, the last sale (£142/sq ft) was about 63.7% below the postcode norm.