Model valuation£417,0008 Busby Close
Local market context
37 Crymlyn Street is a mid-terrace house in Port Tennant, Swansea, Swansea (SA1 8NX). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (June 2023) shows a D (score 58), a step below the typical UK home. When first surveyed in October 2020 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Average to Very Good. The recommended improvements would lift it to B (score 84), a 2-band jump.
Across 1998–2021, sale prices on this property compounded at 4.8% per year. Today's modelled estimate of £129,000 is 26.5% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£135/sq ft) was about 62.4% above the typical sold price in the postcode. Most recent transfer: July 2021 at £102,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
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Recommended upgrades on file would lift this property by multiple EPC bands.
Certificate validity
Valid until 4 June 2033
Changes detected from historical EPC data
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
37 Crymlyn 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.
37 Crymlyn Street has more than doubled in price since the earliest registered sale in 1998.
£129,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.8% per year over 23 years.
£102,000
Growth on file: 4.8% per year over 23 years.
20 July 2021Most recent
£102,000
+191.4%over 22 years6 August 1998
£35,000
Median price across the last 5 sales in SA1 8NX: £110,000 (2025–2021).
23 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
Sold Apr 2025
20 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
Sold Nov 2023
25 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
Sold Apr 2022
32 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
Sold Nov 2021
36 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
Sold Sept 2021
On price per m², 37 Crymlyn Street stands well clear of the street.
Price per m²
£1,457
Street avg £882
Floor Area
70 m²
Street avg 82 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.4 t/year
Street avg 3.7 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.
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Crime
580/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.