18 Landeg Street, Plasmarl, Swansea, SA6 8LA
About 18 Landeg Street
18 Landeg Street is a mid-terrace house in Plasmarl, Swansea, Swansea (SA6 8LA). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (July 2022) shows a C (score 74). When first surveyed in October 2008 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good, window efficiency went from Average to Good and lighting went from Average to Very Good. The recommended improvements would push it to B (score 89).
It hasn't traded since August 2009, a hold of 17 years that's notably long for the area. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 1997–2009, sale prices on this property compounded at 10.2% per year. Today's modelled estimate of £124,000 sits 77.1% above the 2009 sale of £70,000. Its energy rating outperforms most of the postcode (better than 84% of similar EPCs).
Energy performance
EPC Rating
Certificate validity
Valid until 12 July 2032
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
Heating controls upgraded for better temperature management
Window efficiency improved
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
18 Landeg Street 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
18 Landeg Street has more than tripled in price since its earliest registered sale in 1997.
£124,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.2% per year over 12 years.
£70,000
Growth on file: 10.2% per year over 12 years.
Sales timeline
6 August 2009Most recent
£70,000
-16.9%over 2 years21 September 2006
£84,280
+283.1%over 9 years31 August 1997
£22,000
Median price across the last 5 sales in SA6 8LA: £120,000 (2026–2024).
Nearby sales in SA6 8LA
6 Landeg Street, Plasmarl, Swansea, SA6 8LA
Sold May 2026
£120,00035 Landeg Street, Plasmarl, Swansea, SA6 8LA
Sold Mar 2026
£185,0007 Landeg Street, Plasmarl, Swansea, SA6 8LA
Sold Mar 2026
£120,00019 Landeg Street, Plasmarl, Swansea, SA6 8LA
Sold Jul 2025
£106,00015 Landeg Street, Plasmarl, Swansea, SA6 8LA
Sold Jan 2024
£75,000
Versus other Landeg Street homes
On epc rating, 18 Landeg Street stands well clear of the street.
Price per m²
£875
Street avg £1,132
Floor Area
80 m²
Street avg 79 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.3 t/year
Street avg 4.0 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
Cwm Level — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







