Britannia House, Flat 14, 109 New Street, Aylesbury, HP20 2NY

Britannia House is a mid-terrace house in Aylesbury (HP20 2NY). It has a recorded floor area of 122 m² (around 1313 sq ft). At 122 m² this is the largest unit on EPC record across Britannia House (56–122 m²). The building's EPC ratings span C to B, with this unit at the top. The latest certificate (February 2020) returns a B (score 82), comfortably above the UK average. The rating has held steady at B across 2 certificates since August 2018. Between certificates, window efficiency dropped from Very Good to Good.

At 122 m² the property is well over the postcode median (75 m² across 24 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £331,000 sits 334.1% above the 2023 sale of £76,250. On a £-per-square-foot basis, the last sale (£58/sq ft) was about 71.4% below the postcode norm. Most recent transfer: January 2023 at £76,250.