Flat 1, 12 Coopers Mews, Beckenham, BR3 1AJ
About Flat 1
Flat 1 is a one-bedroom semi-detached house in Beckenham (BR3 1AJ). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1900-1929 and council tax band C. At 45 m² this is the smallest unit on EPC record across the building (45–72 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (March 2021) shows a C (score 73). The rating has held steady at C across 2 certificates since May 2009. Between certificates, lighting went from Good to Very Good.
Held since March 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 45 m² it sits well below the postcode median (100 m² across 12 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £270,000 is 44.4% above the 2007 sale price.
Know exactly what you're buying at Flat 1
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
What this property has
Inside
- Bedrooms1
- Bathrooms1
Energy performance
Flat 1's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
More low energy lighting installed
Planning history
Flat 1 has no planning applications on record.
Notable planning nearby
11applications of note in the surrounding area
We flagged 2 things worth checking at Flat 1
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
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£270,000
Modelled from EPC, postcode comparables.
£187,000
Recorded with HM Land Registry.
Sales timeline
2 March 2007Most recent
£187,000
Median price across the last 5 sales in BR3 1AJ: £742,500 (2022–2017).
Nearby sales in BR3 1AJ
Everything we know about Flat 1, 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 Coopers Mews homes
On floor area, Flat 1 runs well behind the street norm.
Price per m²
£4,156
Street avg £4,917
Floor Area
45 m²
Street avg 61 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.5 t/year
Street avg 2.6 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
St Edmund's Hall — 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
53.2dB

Night-time· 23:00 – 07:00
43.9dB