Model valuation£417,0008 Busby Close
Local market context
21 Tymawr Street is a mid-terrace house in Port Tennant, Swansea, Swansea (SA1 8NE). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (October 2017) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since December 2009. Between certificates, window efficiency went from Very Poor to Average and lighting went from Poor to Good; while wall efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 86), a 2-band jump.
Untraded for 22 years, with the last transfer in May 2004. Today's modelled estimate of £153,000 sits 70.1% above the 2004 sale of £89,950.
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee

Recommended upgrades on file would lift this property by multiple EPC bands.
Certificate validity
Valid until 15 October 2027
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Single glazing replaced with double or better glazing
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Get a survey for this property
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
21 Tymawr Street has no planning applications on record.
But the area is active
47 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
21 Tymawr Street valuation sits well clear of the typical sold price in this postcode.
£153,000
Modelled from EPC, postcode comparables.
£89,950
Recorded with HM Land Registry.
18 May 2004Most recent
£89,950
Median price across the last 5 sales in SA1 8NE: £135,000 (2025–2021).
43 Tymawr Street, Port Tennant, Swansea, SA1 8NE
Sold Jun 2025
50 Tymawr Street, Port Tennant, Swansea, SA1 8NE
Sold Jun 2025
18 Tymawr Street, Port Tennant, Swansea, SA1 8NE
Sold Jun 2024
56 Tymawr Street, Port Tennant, Swansea, SA1 8NE
Sold Nov 2022
3 Tymawr Street, Port Tennant, Swansea, SA1 8NE
Sold Nov 2021
21 Tymawr Street outperforms the street on years held by a wide margin.
Price per m²
£1,022
Street avg £1,022
Floor Area
88 m²
Street avg 98 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.4 t/year
Street avg 4.7 t/year
Property research, connected
Explore sale histories, valuations, energy ratings and local areas. Ask the assistant to connect the details and take your research further.
Start your researchSA1 8QH
SA1 8BB
SA1 8DW
SA1 8QQ
SA1 8BS
SA1 8LB
SA1 8DU
SA1 8LY
Crime
580/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.