11c, Park Road, High Barnet, Barnet, EN5 5RY

11c is a semi-detached house in High Barnet, Barnet, Barnet (EN5 5RY). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (November 2023) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since January 2009. Between certificates, window efficiency went from Very Poor to Average and lighting went from Good to Very Good; while roof efficiency dropped from Good to Average. The recommended improvements would push it to C (score 77). At 78 m² this is the 34th smallest of 39 units on EPC record in the building, where floor areas span 21–162 m². The building's EPC ratings span E to C across 39 units on file.

At 78 m² the property is well over the postcode median (51 m² across 38 EPCs), placing it in the larger end of the local stock. On the market in March 2018 and unlisted since — roughly 8 years. Across the public record there are 4 sales, relatively high churn for a single property. Across 1997–2018, sale prices on this property compounded at 8% per year. Today's modelled estimate of £452,000 is 22.2% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£441/sq ft) was about 45.5% above the typical sold price in the postcode.