270a, High Street, Beckenham, BR3 1DZ
About 270a
270a is a two-bedroom mid-terrace house in Beckenham (BR3 1DZ). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1930-1949 and council tax band B. At 51 m² this is the 3rd smallest of 6 units on EPC record in the building, where floor areas span 49–61 m². The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (69 versus a worst of 61). The latest certificate (November 2022) shows a C (score 69), just inside the C band. When first surveyed in December 2009 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average.
On energy efficiency it sits in the top 10% of properties in this postcode. Across 2010–2013, sale prices on this property compounded at -4.4% per year. Today's modelled estimate of £250,000 sits 104.1% above the 2013 sale of £122,500. On a £-per-square-foot basis, the last sale (£223/sq ft) was about 83.4% below the postcode norm. Last sold in January 2013, so it's been off the market for around 13 years. One historical planning record sits against the property in 2010.
Know exactly what you're buying at 270a
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
- Bedrooms2
- Bathrooms1
Energy performance
270a ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Windows upgraded, improving insulation
Wall insulation improved
Roof insulation improved
Low energy lighting percentage decreased
Heating controls upgraded for better temperature management
More low energy lighting installed
Planning history
- Sept 2010AmendmentIn report
Extension of time limit for implementation of permission reference 07/00845 granted for conversion of first and second floor flat into 2 one bedroom self contained flats.
- Documents
- 3 docs on file
- Reference
- 10/02339/EXTEND
We flagged 2 things worth checking at 270a
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
270a valuation runs notably under the typical sold price in this postcode.
£250,000
Modelled from EPC, postcode comparables and a sale-price growth of -4.4% per year over 3 years.
£122,500
Growth on file: -4.4% per year over 3 years.
Sales timeline
22 January 2013Most recent
£122,500
-12.5%over 2 years3 February 2010
£140,000
Median price across the last 5 sales in BR3 1DZ: £880,000 (2024–2002).
Everything we know about 270a, 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 High Street homes
On price per m², 270a runs well behind the street norm.
Price per m²
£2,402
Street avg £9,717
Floor Area
51 m²
Street avg 55 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.0 t/year
Street avg 2.5 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 Street / War Memorial — 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
53.8dB

Night-time· 23:00 – 07:00
44.5dB