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Get startedFlat 1b is a one-bedroom semi-detached house in Bromley, London, London (SE20 8DD). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to 1900-1929 and council tax band B. At 39 m² this is the smallest unit on EPC record across the building (39–99 m²). The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (May 2022) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2015. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Average and lighting went from Poor to Very Good. The recommended improvements would push it to C (score 75).
Sale prices here have outpaced London HPI: 5.4% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£881/sq ft) was about 206.7% above the typical sold price in the postcode. Sold January 2023 for £370,000. Across the public record there are 7 sales, relatively high churn for a single property. At 39 m² it's 23.3% smaller than the typical home in the postcode (51 m² median across 69 EPCs).
Flat 1b has more than doubled in price since the earliest registered sale in 2004.
£355,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.4% per year over 19 years.
£370,000
Growth on file: 5.4% per year over 19 years.
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On price per m², Flat 1b stands well clear of the street.
Price per m²
£9,487
Street avg £4,933
Floor Area
39 m²
Street avg 56 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Castledine Road — bus stop.

Daytime· 07:00 – 23:00
51.6dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Single glazing replaced with double or better glazing
Wall insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
30 January 2023Most recent
£370,000
+1.4%over 5 years26 July 2017
£365,000
+15.9%over 2 years10 July 2015
£315,000
+43.2%over 7 years27 July 2007
£220,000
+29.4%3 April 2007
£170,000
+13.3%over 1 year14 October 2005
£150,000
+8.3%over 1 year13 April 2004
£138,500
Median price across the last 5 sales in SE20 8DD: £442,000 (2024–2023).
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CO₂ Emissions
1.9 t/year
Street avg 2.7 t/year
SE20 8AJ
Closest school
0.5 km
James Dixon Primary School. 58 schools nearby.
Night-time· 23:00 – 07:00
42.4dB