6 Britannia Road, Plasmarl, Swansea, SA6 8LH
About 6 Britannia Road
6 Britannia Road is a mid-terrace house in Plasmarl, Swansea, Swansea (SA6 8LH). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (March 2025) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since February 2013. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Good to Very Good and window efficiency went from Average to Good. The recommended improvements would lift it to B (score 85), a 2-band jump.
A recent sale: £85,000 in September 2025. Today's modelled estimate of £120,000 is 41.2% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£107/sq ft) was about 43% above the typical sold price in the postcode.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 9 March 2035
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
Heating controls changed
Window efficiency improved
Wall insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
6 Britannia Road has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
6 Britannia Road valuation sits well clear of the typical sold price in this postcode.
£120,000
Modelled from EPC, postcode comparables.
£85,000
Recorded with HM Land Registry.
Sales timeline
10 September 2025Most recent
£85,000
Median price across the last 5 sales in SA6 8LH: £90,000 (2019–2008).
Nearby sales in SA6 8LH
4 Britannia Road, Plasmarl, Swansea, SA6 8LH
Sold May 2019
£62,5005 Britannia Road, Plasmarl, Swansea, SA6 8LH
Sold Dec 2016
£86,000First Floor, 9 Britannia Road, Plasmarl, Swansea, SA6 8LH
Sold Dec 2016
£90,0008 Britannia Road, Plasmarl, Swansea, SA6 8LH
Sold Feb 2007
£78,5003 Britannia Road, Plasmarl, Swansea, SA6 8LH
Sold Dec 2003
£46,500
Versus other Britannia Road homes
6 Britannia Road is notably below the street on years held.
Price per m²
£1,149
Street avg £978
Floor Area
74 m²
Street avg 70 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.0 t/year
Street avg 4.4 t/year
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1 Britannia Road, Plasmarl
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The neighbourhood at a glance
Crime
210/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Plasmarl Fish Bar — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







