Upper Flat, 6 Kelsey Square, Beckenham, BR3 1AF
About Upper Flat
Upper Flat is a mid-terrace house in Beckenham (BR3 1AF). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (September 2020) shows a D (score 63), on the cusp of jumping into the C band. Earlier certificates rated it C (August 2010); the latest reading is one band lower. Between certificates, lighting went from Good to Very Good; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 75).
Today's modelled estimate of £246,000 sits 2794.1% above the 2019 sale of £8,500. On a £-per-square-foot basis, the last sale (£17/sq ft) was about 92.2% below the postcode norm. At 47 m² it sits well below the postcode median (100 m² across 8 EPCs), making it one of the more compact homes locally. Last sale on file: £8,500 in May 2019.
Know exactly what you're buying at Upper Flat
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
More low energy lighting installed
Planning history
Upper Flat has no planning applications on record.
Notable planning nearby
11applications of note in the surrounding area
We flagged 2 things worth checking at Upper Flat
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
Latest sale on Upper Flat was the lowest on Land Registry record across the postcode.
£246,000
Modelled from EPC, postcode comparables.
£8,500
Recorded with HM Land Registry.
Sales timeline
30 May 2019Most recent
£8,500
Median price across the last 5 sales in BR3 1AF: £170,000 (2015–2004).
Nearby sales in BR3 1AF
Everything we know about Upper Flat, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Kelsey Square homes
Upper Flat is notably below the street on price per m².
Price per m²
£181
Street avg £2,945
Floor Area
47 m²
Street avg 54 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.4 t/year
Street avg 3.4 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Beckenham High St / Kelsey Sq — bus stop.
Closest school
0.5 km
Harris Primary Academy Beckenham Green. 43 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
53.3dB

Night-time· 23:00 – 07:00
44.1dB