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
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.
£135,000
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: £125,000 (2024–2022).
Nearby sales in SA6 8JU
314 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
£250,000328 Neath Road, Plasmarl, Swansea, SA6 8JU
Sold Mar 2022
£125,000
Versus other Neath Road homes
On years held, 321 Neath Road runs well behind the street norm.
Price per m²
£1,646
Street avg £1,076
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
Similar properties nearby
The neighbourhood at a glance
Crime
2/mo
Steady 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.







