18 Idris Terrace, Plasmarl, Swansea, SA6 8LT
About 18 Idris Terrace
18 Idris Terrace is a mid-terrace house in Plasmarl, Swansea, Swansea (SA6 8LT). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (April 2025) shows a D (score 59), a step below the typical UK home. The recommended improvements would lift it to B (score 86), a 2-band jump.
Untraded for 25 years, with the last transfer in November 2001. Across 1995–2001, sale prices on this property compounded at 7.6% per year. Today's modelled estimate of £131,000 sits 336.7% above the 2001 sale of £30,000. On a £-per-square-foot basis, the last sale (£34/sq ft) was about 60.2% below the postcode norm.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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 Idris 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
18 Idris Terrace's modelled value sits at over four times its earliest registered sale price (1995).
£131,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.6% per year over 6 years.
£30,000
Growth on file: 7.6% per year over 6 years.
Sales timeline
16 November 2001Most recent
£30,000
+57.9%over 6 years31 August 1995
£19,000
Median price across the last 5 sales in SA6 8LT: £110,000 (2024–2021).
Nearby sales in SA6 8LT
22a, Idris Terrace, Plasmarl, Swansea, SA6 8LT
Sold Jul 2024
£110,00011 Idris Terrace, Plasmarl, Swansea, SA6 8LT
Sold Aug 2023
£128,00023 Idris Terrace, Plasmarl, Swansea, SA6 8LT
Sold Jan 2023
£99,00028 Idris Terrace, Plasmarl, Swansea, SA6 8LT
Sold Aug 2022
£105,0007 Idris Terrace, Plasmarl, Swansea, SA6 8LT
Sold Dec 2021
£124,000
Versus other Idris Terrace homes
On price per m², 18 Idris Terrace runs well behind the street norm.
Price per m²
£361
Street avg £1,059
Floor Area
83 m²
Street avg 82 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
4.0 t/year
Street avg 3.9 t/year
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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
Plasmarl — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







