12 Plasmarl Terrace, Plasmarl, Swansea, SA6 8LU
About 12 Plasmarl Terrace
12 Plasmarl Terrace is a mid-terrace house in Plasmarl, Swansea, Swansea (SA6 8LU). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (April 2025) shows a C (score 72). The rating has held steady at C across 2 certificates since June 2010. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Good to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 89).
Energy performance
EPC Rating
Certificate validity
Valid until 23 April 2035
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
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 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
12 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
12 Plasmarl Terrace has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£108,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SA6 8LU: £103,000 (2025–2019).
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
£130,00023 Plasmarl Terrace, Plasmarl, Swansea, SA6 8LU
Sold Jan 2023
£103,00026 Plasmarl Terrace, Plasmarl, Swansea, SA6 8LU
Sold Oct 2020
£96,50019 Plasmarl Terrace, Plasmarl, Swansea, SA6 8LU
Sold Mar 2017
£64,000
Versus other Plasmarl Terrace homes
Floor Area for 12 Plasmarl Terrace lags the street by a wide margin.
EPC Rating
72 (C)
Street avg 65 (D)
Floor Area
63 m²
Street avg 72 m²
CO₂ Emissions
2.1 t/year
Street avg 3.0 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
Similar properties nearby
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The neighbourhood at a glance
Crime
210/mo
Falling 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.







