1 Brownlow Farm Barns, Pouchen End Lane, Hemel Hempstead, HP1 2SN

1 Brownlow Farm Barns is a three-bedroom detached house in Hemel Hempstead (HP1 2SN). It has a recorded floor area of 148 m² (around 1593 sq ft), construction records dating it to before 1900 and council tax band F. The latest certificate (June 2017) shows a D (score 63), on the cusp of jumping into the C band. Earlier certificates rated it C (April 2012); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 80).

At 148 m² the property is well over the postcode median (75 m² across 8 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). On the market in November 2017 and unlisted since — roughly 9 years. Across the public record there are 4 sales, relatively high churn for a single property. 9 planning records sit against the property, 6 approved, 3 refused. Past consents include a loft conversion and an extension, meaningful when judging how the property has evolved. Across 2004–2017, sale prices on this property compounded at 4.5% per year. Today's modelled estimate of £878,000 is 13.3% above the 2017 sale price.