29 Chalford Flats, Northcroft, Wooburn Green, High Wycombe, HP10 0BS

29 Chalford Flats is a one-bedroom detached house in Wooburn Green, High Wycombe, High Wycombe (HP10 0BS). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (November 2023) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in June 2013 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average, window efficiency went from Average to Good and hot-water efficiency went from Poor to Good. The recommended improvements would push it to C (score 75). At 50 m² this is the 14th smallest of 28 units on EPC record in the building, where floor areas span 42–65 m². The building's EPC ratings span E to C across 28 units on file.

It hasn't traded since January 1999, a hold of 27 years that's notably long for the area. 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 £204,000 sits 202.2% above the 1999 sale of £67,500. On a £-per-square-foot basis, the last sale (£125/sq ft) was about 53.5% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs).