Flat 1 Side Door, 16 Elm Road, Beckenham, BR3 4JB
About Flat 1 Side Door
Flat 1 Side Door is a one-bedroom detached house in Beckenham (BR3 4JB). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (June 2022) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2010. Between certificates, window efficiency went from Poor to Average and lighting went from Average to Very Good. The recommended improvements would push it to C (score 74).
Today's modelled estimate of £278,000 sits 81.7% above the 2011 sale of £153,000. At 40 m² it sits well below the postcode median (136 m² across 23 EPCs), making it one of the more compact homes locally. Last sold in July 2011, so it's been off the market for around 15 years. One historical planning record sits against the property in 2007.
Know exactly what you're buying at Flat 1 Side Door
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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
More low energy lighting installed
Planning history
- Sept 2007OutbuildingFullIn report
2 single storey detached pavilion buildings at rear
- Documents
- 6 docs on file
- Reference
- 07/02747/FULL1
We flagged 2 things worth checking at Flat 1 Side Door
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
£278,000
Modelled from EPC, postcode comparables.
£153,000
Recorded with HM Land Registry.
Sales timeline
28 July 2011Most recent
£153,000
Median price across the last 5 sales in BR3 4JB: £1,270,000 (2024–2020).
Nearby sales in BR3 4JB
Everything we know about Flat 1 Side Door, 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 Elm Road homes
Years Held for Flat 1 Side Door runs comfortably ahead of the street norm.
Price per m²
£3,825
Street avg £5,555
Floor Area
40 m²
Street avg 68 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.0 t/year
Street avg 3.3 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
Hayne Road Beckenham — bus stop.
Closest school
0.3 km
Balgowan Primary School. 46 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
53.0dB

Night-time· 23:00 – 07:00
43.1dB