321 Neath Road, Plasmarl, Swansea, SA6 8JU
About 321 Neath Road
321 Neath Road is an end-of-terrace house in Plasmarl, Swansea, Swansea (SA6 8JU). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (September 2025) shows a C (score 73). When first surveyed in July 2014 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Very Good and lighting went from Very Poor to Very Good; while window efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 85).
At 79 m² it's 16.2% larger than the typical home in the postcode (68 m² median across 32 EPCs). Across 2006–2024, sale prices on this property compounded at 4% per year. On a £-per-square-foot basis, the last sale (£153/sq ft) was about 71.8% above the typical sold price in the postcode. Sold September 2024 for £130,000.
Energy performance
EPC Rating
Certificate validity
Valid until 2 September 2035
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Wall insulation improved
Heating controls upgraded for better temperature management
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
321 Neath 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
Sale price has at least doubled since 2006.
£125,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.0% per year over 18 years.
£130,000
Growth on file: 4.0% per year over 18 years.
Sales timeline
26 September 2024Most recent
£130,000
+100.0%over 17 years10 November 2006
£65,000
Median price across the last 5 sales in SA6 8JU: £107,000 (2025–2022).
Nearby sales in SA6 8JU
318 Neath Road, Plasmarl, Swansea, SA6 8JU
Sold Feb 2025
£107,000314 Neath Road, Plasmarl, Swansea, SA6 8JU
Sold Jul 2024
£142,500324 Neath Road, Plasmarl, Swansea, SA6 8JU
Sold Dec 2023
£85,000327 Neath Road, Plasmarl, Swansea, SA6 8JU
Sold Sept 2023
£97,000331 Neath Road, Plasmarl, Swansea, SA6 8JU
Sold Jul 2022
£250,000
Versus other Neath Road homes
On epc rating, 321 Neath Road stands well clear of the street.
Price per m²
£1,646
Street avg £1,090
Floor Area
79 m²
Street avg 83 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.2 t/year
Street avg 3.7 t/year
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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.







