20 Tymawr Street, Port Tennant, Swansea, SA1 8NE
About 20 Tymawr Street
20 Tymawr Street is a three-bedroom mid-terrace house in Port Tennant, Swansea, Swansea (SA1 8NE). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (February 2025) shows a C (score 71). When first surveyed in August 2013 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Good and lighting went from Poor to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to B (score 83).
Today's modelled estimate of £154,000 sits 67.4% above the 2017 sale of £92,000. On a £-per-square-foot basis, the last sale (£94/sq ft) was about 19.2% above the typical sold price in the postcode. Its energy rating outperforms most of the postcode (better than 72% of similar EPCs). Last changed hands 9 years ago, in June 2017.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- EnsuiteYes
Building
- Central heatingYes
Everything you need to know about 20 Tymawr Street
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Roof insulation improved
More low energy lighting installed
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Planning history
20 Tymawr Street has no planning applications on record.
But the area is active
53 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
20 Tymawr Street valuation sits well clear of the typical sold price in this postcode.
£154,000
Modelled from EPC, postcode comparables.
£92,000
Recorded with HM Land Registry.
Sales timeline
29 June 2017Most recent
£92,000
Median price across the last 5 sales in SA1 8NE: £124,000 (2025–2020).
Nearby sales in SA1 8NE
43 Tymawr Street, Port Tennant, Swansea, SA1 8NE
Sold Jun 2025
£145,00018 Tymawr Street, Port Tennant, Swansea, SA1 8NE
Sold Jun 2024
£93,00056 Tymawr Street, Port Tennant, Swansea, SA1 8NE
Sold Nov 2022
£153,0003 Tymawr Street, Port Tennant, Swansea, SA1 8NE
Sold Nov 2021
£124,00063 Tymawr Street, Port Tennant, Swansea, SA1 8NE
Sold Mar 2020
£119,000
Versus other Tymawr Street homes
20 Tymawr Street outperforms the street on co₂ emissions by a wide margin.
Price per m²
£1,011
Street avg £1,004
Floor Area
91 m²
Street avg 98 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.8 t/year
Street avg 4.7 t/year
Everything you need to know about 20 Tymawr Street
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
St Stephens Church — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






