20 Ermine Street, Caxton, Cambridge, CB23 3PQ

20 Ermine Street is a three-bedroom end-of-terrace house in Caxton, Cambridge, Cambridge (CB23 3PQ). It has a recorded floor area of 111 m² (around 1195 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (January 2017) shows an E (score 44), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since August 2009. Between certificates, roof efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average. The recommended improvements would lift it to A (score 93), a 4-band jump. Main heating runs on oil. Other recorded features include attached land beyond the plot. Our model identifies extension potential, subject to local planning policy.

Held since January 2010 — that's 16 years off the open market, well above the local norm. Across 2002–2010, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £405,000 is 42.1% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£239/sq ft) was about 29.1% above the typical sold price in the postcode.