3 Carson Cottages, The Green, Brill, Aylesbury, HP18 9RU

3 Carson Cottages is an end-of-terrace house in Brill, Aylesbury, Aylesbury (HP18 9RU). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (February 2018) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in January 2010 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Poor to Average, lighting went from Very Poor to Average and main heating went from Very Poor to Average; while roof efficiency dropped from Good to Poor. The recommended improvements would lift it to B (score 88), a 2-band jump. Main heating runs on electricity.

Held since June 2004 — that's 22 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. At 39 m² it sits well below the postcode median (139 m² across 18 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the top 10% of properties in this postcode. Across 1997–2004, sale prices on this property compounded at 12.2% per year. Today's modelled estimate of £258,000 sits 69.7% above the 2004 sale of £152,000. On a £-per-square-foot basis, the last sale (£362/sq ft) was about 35.7% above the typical sold price in the postcode.