123 Dinas Street, Plasmarl, Swansea, SA6 8LL
About 123 Dinas Street
123 Dinas Street is a mid-terrace house in Plasmarl, Swansea, Swansea (SA6 8LL). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (October 2024) shows a D (score 56), a step below the typical UK home. The recommended improvements would lift it to B (score 87), a 2-band jump.
Today's modelled estimate of £136,000 is 13.3% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£139/sq ft) was about 86.5% above the typical sold price in the postcode. Last sale on file: £120,000 in January 2025.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 9 October 2034
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
123 Dinas 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
123 Dinas Street valuation sits well clear of the typical sold price in this postcode.
£136,000
Modelled from EPC, postcode comparables.
£120,000
Recorded with HM Land Registry.
Sales timeline
22 January 2025Most recent
£120,000
Median price across the last 5 sales in SA6 8LL: £99,950 (2026–2021).
Nearby sales in SA6 8LL
124 Dinas Street, Plasmarl, Swansea, SA6 8LL
Sold May 2026
£130,000114 Dinas Street, Plasmarl, Swansea, SA6 8LL
Sold Apr 2025
£130,000116 Dinas Street, Plasmarl, Swansea, SA6 8LL
Sold Mar 2022
£75,000128 Dinas Street, Plasmarl, Swansea, SA6 8LL
Sold Dec 2021
£99,950119 Dinas Street, Plasmarl, Swansea, SA6 8LL
Sold Nov 2020
£80,000
Versus other Dinas Street homes
On epc rating, 123 Dinas Street runs well behind the street norm.
Price per m²
£1,500
Street avg £1,017
Floor Area
80 m²
Street avg 80 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
4.3 t/year
Street avg 3.1 t/year
Similar properties nearby
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1 Emlyn Terrace, Plasmarl
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1 Idris Terrace, Plasmarl
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1 Dinas Street, Plasmarl
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1 Clos Yr Orsaf, Morriston
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1 Ash Street, Morriston
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1 Bedford House, Crown Street, Morriston
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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
Plasmarl — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







