36 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
About 36 Crymlyn Street
36 Crymlyn Street is a three-bedroom mid-terrace house in Port Tennant, Swansea, Swansea (SA1 8NX). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (March 2021) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in July 2010 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average, hot-water efficiency went from Poor to Good and lighting went from Good to Very Good. The recommended improvements would lift it to B (score 88), a 2-band jump.
Most recent transfer: September 2021 at £110,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One planning record on file: HMO conversion approved in 2017. Past consents include HMO conversion, meaningful when judging how the property has evolved. Across 1999–2021, sale prices on this property compounded at 8.7% per year. Today's modelled estimate of £144,000 is 30.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£136/sq ft) was about 63.4% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms1
Everything you need to know about 36 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

Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Roof 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
1 application on record at 36 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
- Jun 2017HMOFullOutcome in report
Change of use from residential dwelling (Class C3) to a 3 bedroom HMO (Class C4)
- Documents
- 12 docs on file
- Reference
- 2017/0804/FUL
Unlock 36 Crymlyn Street, Port Tennant, Swansea, SA1 8NX's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 53 notable nearby
- The 12 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
Price for 36 Crymlyn Street has grown more than fourfold since the 1999 starting point.
£144,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.7% per year over 22 years.
£110,000
Growth on file: 8.7% per year over 22 years.
Sales timeline
29 September 2021Most recent
£110,000
+27.9%over 4 years23 October 2016
£86,000
+244.0%over 16 years11 June 2000
£25,000
+47.1%over 1 year8 April 1999
£17,000
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
£118,00025 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
Sold Apr 2022
£100,00032 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
Sold Nov 2021
£110,00037 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
Sold Jul 2021
£102,000
Versus other Crymlyn Street homes
Price per m² for 36 Crymlyn Street runs comfortably ahead of the street norm.
Price per m²
£1,467
Street avg £882
Floor Area
75 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 36 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

Similar properties nearby
1 Elmhurst Crescent, St Thomas
SA1 8EA
1 Balaclava Street, St Thomas
SA1 8BS
1 Kilvey Terrace, St Thomas
SA1 8BA
1 Danygraig Road, Port Tennant
SA1 8LY
1 Kinley Street, St Thomas
SA1 8HE
1 Bay Street, Port Tennant
SA1 8LB
1 George Powell House, Balaclava Street, St Thomas
SA1 8BR
1 Beaumont Crescent, St Thomas
SA1 8DW
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.






