23 Plasmarl Terrace, Plasmarl, Swansea, SA6 8LU
About 23 Plasmarl Terrace
23 Plasmarl Terrace is a mid-terrace house in Plasmarl, Swansea, Swansea (SA6 8LU). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (September 2019) shows a D (score 62), on the cusp of jumping into the C band. Earlier certificates rated it C (April 2009); the latest reading is one band lower. The recommended improvements would lift it to B (score 88), a 2-band jump.
At 79 m² it's 21.2% larger than the typical home in the postcode (65 m² median across 26 EPCs). Across 2004–2023, sale prices on this property compounded at 1.4% per year. Today's modelled estimate of £130,000 is 26.2% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£121/sq ft) was about 51.3% above the typical sold price in the postcode. Last sale on file: £103,000 in January 2023.
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
Loft insulation upgraded to recommended levels
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
23 Plasmarl Terrace 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
23 Plasmarl Terrace's sale-price growth has lagged the wider UK trajectory across its history on file.
£130,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.4% per year over 19 years.
£103,000
Growth on file: 1.4% per year over 19 years.
Sales timeline
13 January 2023Most recent
£103,000
+28.8%over 18 years13 July 2004
£79,950
Median price across the last 5 sales in SA6 8LU: £96,500 (2025–2017).
Nearby sales in SA6 8LU
21 Plasmarl Terrace, Plasmarl, Swansea, SA6 8LU
Sold Apr 2025
£110,00020 Plasmarl Terrace, Plasmarl, Swansea, SA6 8LU
Sold Jun 2024
£130,00026 Plasmarl Terrace, Plasmarl, Swansea, SA6 8LU
Sold Oct 2020
£96,50019 Plasmarl Terrace, Plasmarl, Swansea, SA6 8LU
Sold Mar 2017
£64,00018 Plasmarl Terrace, Plasmarl, Swansea, SA6 8LU
Sold Apr 2015
£69,000
Versus other Plasmarl Terrace homes
Floor Area for 23 Plasmarl Terrace runs comfortably ahead of the street norm.
Price per m²
£1,304
Street avg £1,085
Floor Area
79 m²
Street avg 71 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
3.7 t/year
Street avg 3.0 t/year
Similar properties nearby
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Morlais Castle — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







