Marwynn, Brains Green, Blakeney, GL15 4AJ

Marwynn is a two-bedroom detached house in Blakeney (GL15 4AJ). It has a recorded floor area of 64 m² (around 689 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (January 2013) shows an F (score 34), near the bottom of the EPC scale. The rating has held steady at F across 2 certificates since November 2009. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Good to Very Poor and roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to B (score 83), a 4-band jump. Main heating runs on oil. The latest certificate is from January 2013, so improvements made since then won't be reflected.

6 planning records sit against the property, 5 approved, 0 refused, 1 pending. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. An active application for an annexe is awaiting a decision. At 64 m² it sits well below the postcode median (128 m² across 26 EPCs), making it one of the more compact homes locally. Across 2012–2015, sale prices on this property compounded at 7.2% per year. Today's modelled estimate of £343,000 is 35% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£369/sq ft) was about 76.9% above the typical sold price in the postcode. On the market in June 2015 and unlisted since — roughly 11 years.