90a, High Street, Marlow, SL7 1AQ

90a is a two-bedroom mid-terrace house in Marlow (SL7 1AQ). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (September 2020) shows an E (score 52), well below the UK norm with real room to improve. Earlier certificates rated it D (February 2010); the latest reading is one band lower. Between certificates, window efficiency went from Poor to Average, hot-water efficiency went from Average to Good and lighting went from Poor to Good; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 82), a 3-band jump. Period features are noted in the property record.

Held since April 2006 — that's 20 years off the open market, well above the local norm. Across the public record there are 5 sales, relatively high churn for a single property. Across 1995–2006, sale prices on this property compounded at 11.8% per year. Today's modelled estimate of £459,000 sits 123.9% above the 2006 sale of £205,000. On a £-per-square-foot basis, the last sale (£334/sq ft) was about 30% below the postcode norm. 5 planning records sit against the property, 4 approved, 1 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. At 57 m² it's 28.3% smaller than the typical home in the postcode (80 m² median across 4 EPCs).