30 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
About 30 Crymlyn Street
30 Crymlyn Street is a mid-terrace house in Port Tennant, Swansea, Swansea (SA1 8NX). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (September 2023) shows a C (score 76), near the top of the C band. When first surveyed in September 2013 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Poor to Average and lighting went from Average to Very Good. The recommended improvements would push it to B (score 91).
Across 1999–2014, sale prices on this property compounded at 7% per year. Today's modelled estimate of £133,000 sits 90% above the 2014 sale of £70,000. 12 years since the last transfer (July 2014). Across the public record there are 4 sales, relatively high churn for a single property. Its energy rating outperforms most of the postcode (better than 71% of similar EPCs).
Everything you need to know about 30 Crymlyn Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Wall insulation improved
More low energy lighting installed
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
30 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
Sale price has at least doubled since 1999.
£133,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.0% per year over 15 years.
£70,000
Growth on file: 7.0% per year over 15 years.
Sales timeline
24 July 2014Most recent
£70,000
-22.2%over 9 years26 August 2004
£90,000
+50.1%over 11 months7 October 2003
£59,950
+137.0%over 4 years11 August 1999
£25,300
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
£118,00025 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
Sold Apr 2022
£100,00032 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
Sold Nov 2021
£110,00036 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
Sold Sept 2021
£110,000
Versus other Crymlyn Street homes
EPC Rating for 30 Crymlyn Street runs comfortably ahead of the street norm.
Price per m²
£833
Street avg £915
Floor Area
84 m²
Street avg 82 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.0 t/year
Street avg 4.0 t/year
Everything you need to know about 30 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.






