20a, Flat 3, Plumstead High Street, Greenwich, London, SE18 1SN
About 20a
20a is a mid-terrace house in Greenwich, London, London (SE18 1SN). It has a recorded floor area of 46 m² (around 495 sq ft) and construction records dating it to 1930-1949. At 46 m² this is the smallest unit on EPC record across 20a (46–48 m²). On EPC score it ranks last in the building (72 versus a best of 72). The latest certificate (August 2023) shows a C (score 72). When first surveyed in August 2017 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Very Good.
Everything you need to know about 20a
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Loft insulation installed or upgraded to 250mm+
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
20a has no planning applications on record.
But the area is active
127 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
20a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£250,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 3 sales in SE18 1SN: £245,000 (2017–2007).
Versus other Plumstead High Street homes
Floor Area for 20a lags the street by a wide margin.
EPC Rating
72 (C)
Street avg 66 (D)
Floor Area
46 m²
Street avg 56 m²
CO₂ Emissions
1.6 t/year
Street avg 2.4 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Everything you need to know about 20a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
13/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Orchard Road / Griffin Road — bus stop.
Closest school
0.2 km
St Patrick's Catholic Primary School. 44 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
56.8dB
Night-time· 23:00 – 07:00
46.7dB