6 Westhorpe Mews, Byfield, Daventry, NN11 6UL

6 Westhorpe Mews is a mid-terrace house in Byfield, Daventry, Daventry (NN11 6UL). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to before 1900 and council tax band F. The latest certificate (August 2022) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (March 2010); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good; while wall efficiency dropped from Good to Very Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 89), a 2-band jump.

Held since July 2010 — that's 16 years off the open market, well above the local norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Today's modelled estimate of £503,000 is 32.4% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£504/sq ft) was about 205.2% above the typical sold price in the postcode.