23 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
About 23 Crymlyn Street
23 Crymlyn Street is a two-bedroom mid-terrace house in Port Tennant, Swansea, Swansea (SA1 8NX). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (October 2022) shows an E (score 46), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 78), a 2-band jump.
Most recent transfer was April 2025 at £118,000 — fresh data. At 97 m² it's 26% larger than the typical home in the postcode (77 m² median across 28 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). Today's modelled estimate of £142,000 is 20.3% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£113/sq ft) was about 35.6% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms2
- Bathrooms1
Everything you need to know about 23 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 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
23 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
23 Crymlyn Street valuation sits well clear of the typical sold price in this postcode.
£142,000
Modelled from EPC, postcode comparables.
£118,000
Recorded with HM Land Registry.
Sales timeline
10 April 2025Most recent
£118,000
Median price across the last 5 sales in SA1 8NX: £110,000 (2023–2021).
Nearby sales in SA1 8NX
20 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
£110,00037 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
Sold Jul 2021
£102,000
Versus other Crymlyn Street homes
On years held, 23 Crymlyn Street runs well behind the street norm.
Price per m²
£1,216
Street avg £895
Floor Area
97 m²
Street avg 81 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
5.5 t/year
Street avg 3.9 t/year
Everything you need to know about 23 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.






