21 Barth Road, Greenwich, London, SE18 1SG
About 21 Barth Road
21 Barth Road is a mid-terrace house in Greenwich, London, London (SE18 1SG). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (July 2020) shows a D (score 59), a step below the typical UK home. When first surveyed in November 2010 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average and lighting went from Very Poor to Average. The recommended improvements would lift it to B (score 86), a 2-band jump.
Across 2006–2024, sale prices on this property compounded at 3.9% per year. On a £-per-square-foot basis, the last sale (£494/sq ft) was about 145.7% above the typical sold price in the postcode. Most recent transfer: April 2024 at £335,000.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
21 Barth Road 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
21 Barth Road valuation sits well clear of the typical sold price in this postcode.
£347,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.9% per year over 18 years.
£335,000
Growth on file: 3.9% per year over 18 years.
Sales timeline
18 April 2024Most recent
£335,000
+71.8%over 10 years1 September 2013
£195,000
+14.7%over 6 years4 October 2006
£170,000
Median price across the last 5 sales in SE18 1SG: £330,000 (2024–2013).
Nearby sales in SE18 1SG
39 Barth Road, Greenwich, London, SE18 1SG
Sold Jul 2024
£365,00035 Barth Road, Greenwich, London, SE18 1SG
Sold Mar 2024
£337,50045 Barth Road, Greenwich, London, SE18 1SG
Sold Sept 2022
£325,0009 Barth Road, Greenwich, London, SE18 1SG
Sold Dec 2019
£330,00019 Barth Road, Greenwich, London, SE18 1SG
Sold Feb 2013
£185,000
Versus other Barth Road homes
On years held, 21 Barth Road runs well behind the street norm.
Price per m²
£5,317
Street avg £3,861
Floor Area
63 m²
Street avg 62 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
3.3 t/year
Street avg 2.8 t/year
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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
0.1 km
Bannockburn Road — bus stop.
Closest school
0.1 km
Bannockburn Primary School. 50 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
54.4dB

Night-time· 23:00 – 07:00
44.0dB







