7b, High Street, Hemel Hempstead, HP1 3AA

7b is a detached house in Hemel Hempstead (HP1 3AA). It has a recorded floor area of 105 m² (around 1130 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (March 2017) shows an E (score 42), well below the UK norm with real room to improve. When first surveyed in November 2013 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, hot-water efficiency went from Poor to Good and lighting went from Very Poor to Average. The recommended improvements would push it to D (score 60). At 105 m² this is the 28th smallest of 31 units on EPC record in the building, where floor areas span 18–234 m². The building's EPC ratings span F to C across 31 units on file.

At 105 m² the property is well over the postcode median (45 m² across 30 EPCs), placing it in the larger end of the local stock. Last sale on file: £367,500 in May 2022. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 1999–2022, sale prices on this property compounded at 4% per year. Today's modelled estimate of £440,000 is 19.7% above the 2022 sale price.