17b, Beckenham Grove, Bromley, BR2 0JN

17b is a two-bedroom detached house in Bromley (BR2 0JN). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1930-1949 and council tax band E. At 108 m² this is the 10th smallest of 14 units on EPC record in the building, where floor areas span 44–400 m². The building's EPC ratings span F to C across 14 units on file. Period features are noted in the property record. The latest certificate (March 2017) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 80).

It hasn't traded since April 2001, a hold of 25 years that's notably long for the area. At 108 m² the property is well over the postcode median (48 m² across 13 EPCs), placing it in the larger end of the local stock. Across 1997–2001, sale prices on this property compounded at 17% per year. Today's modelled estimate of £506,000 sits 140.8% above the 2001 sale of £210,100. On a £-per-square-foot basis, the last sale (£181/sq ft) was about 40.3% below the postcode norm.