Model valuation£417,0008 Busby Close
Local market context
31 Crymlyn Street is a three-bedroom mid-terrace house in Port Tennant, Swansea, Swansea (SA1 8NX). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (August 2023) shows a C (score 71). When first surveyed in December 2012 the rating was D, the property has climbed 1 band since. The recommended improvements would push it to B (score 88).
Untraded for 21 years, with the last transfer in February 2005. Today's modelled estimate of £131,000 sits 63.7% above the 2005 sale of £80,000. On a £-per-square-foot basis, the last sale (£100/sq ft) was about 20.5% above the typical sold price in the postcode. One planning record on file: HMO conversion approved in 2017. Past consents include HMO conversion, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 71% of similar EPCs).
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Certificate validity
Valid until 31 August 2033
Changes detected from historical EPC data
More low energy lighting installed
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Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
1 application on record at 31 Crymlyn Street, Port Tennant, Swansea, SA1 8NX
Change of use from 3 bedroom residential dwelling (Class C3) to 3 bedroom HMO (Class C4)
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31 Crymlyn Street valuation sits well clear of the typical sold price in this postcode.
£131,000
Modelled from EPC, postcode comparables.
£80,000
Recorded with HM Land Registry.
25 February 2005Most recent
£80,000
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
CO₂ Emissions for 31 Crymlyn Street runs comfortably ahead of the street norm.
Price per m²
£1,081
Street avg £902
Floor Area
74 m²
Street avg 82 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
2.4 t/year
Street avg 3.7 t/year
Property research, connected
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Start your researchSA1 8EA
SA1 8BS
SA1 8BA
SA1 8LY
SA1 8HE
SA1 8BR
SA1 8EY
SA1 8LB
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.