25 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
About 25 Crymlyn Street
25 Crymlyn Street is a mid-terrace house in Port Tennant, Swansea, Swansea (SA1 8NX). It has a recorded floor area of 81 m² (around 872 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (July 2016) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 86), a 2-band jump.
Across 2017–2022, sale prices on this property compounded at 8.4% per year. Today's modelled estimate of £128,000 is 28% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£115/sq ft) was about 37.6% above the typical sold price in the postcode. Sold April 2022 for £100,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 25 Crymlyn Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 06 Jul 2026
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
25 Crymlyn 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£128,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.4% per year over 5 years.
£100,000
Growth on file: 8.4% per year over 5 years.
Sales timeline
19 April 2022Most recent
£100,000
+47.1%over 4 years3 July 2017
£68,000
Median price across the last 5 sales in SA1 8NX: £110,000 (2025–2021).
Nearby sales in SA1 8NX
23 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
Sold Apr 2025
£118,00020 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
Sold Nov 2023
£118,00032 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
Sold Nov 2021
£110,00036 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
Sold Sept 2021
£110,00037 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
Sold Jul 2021
£102,000
Versus other Crymlyn Street homes
Years Held for 25 Crymlyn Street lags the street by a wide margin.
Price per m²
£1,235
Street avg £894
Floor Area
81 m²
Street avg 82 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.1 t/year
Street avg 3.9 t/year
Everything you need to know about 25 Crymlyn Street
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

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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
Hoo Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






