30 West Street, Gorseinon, Swansea, SA4 4AA
About 30 West Street
30 West Street is a mid-terrace house in Gorseinon, Swansea, Swansea (SA4 4AA). It has a recorded floor area of 122 m² (around 1313 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (April 2021) shows an E (score 52), well below the UK norm with real room to improve. Earlier certificates rated it C (December 2008); the latest reading is 2 bands lower. Between certificates, wall efficiency dropped from Good to Very Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to C (score 78), a 2-band jump.
At 122 m² the property is well over the postcode median (63 m² across 37 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs). Across 1995–2021, sale prices on this property compounded at 4.3% per year. Today's modelled estimate of £200,000 is 39.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£109/sq ft) was about 35.7% above the typical sold price in the postcode. Sold August 2021 for £143,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
30 West Street's carbon output runs well above what efficient homes in the postcode produce.
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
30 West Street has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has grown by over 3x since 1995.
£200,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.3% per year over 26 years.
£143,000
Growth on file: 4.3% per year over 26 years.
Sales timeline
3 August 2021Most recent
£143,000
+21.3%over 12 years17 March 2009
£117,850
+148.1%over 13 years13 July 1995
£47,500
Median price across the last 5 sales in SA4 4AA: £125,000 (2025–2021).
Nearby sales in SA4 4AA
36 West Street, Gorseinon, Swansea, SA4 4AA
Sold Sept 2025
£225,0008a, West Street, Gorseinon, Swansea, SA4 4AA
Sold Nov 2023
£120,00037 West Street, Gorseinon, Swansea, SA4 4AA
Sold Apr 2022
£125,0006 West Street, Gorseinon, Swansea, SA4 4AA
Sold Jan 2022
£220,000Unit 4, West Street, Gorseinon, Swansea, SA4 4AA
Sold Aug 2021
£60,000
Versus other West Street homes
Habitable Rooms for 30 West Street runs comfortably ahead of the street norm.
Price per m²
£1,172
Street avg £1,060
Floor Area
122 m²
Street avg 111 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
6.1 t/year
Street avg 6.2 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Gorseinon Bus Station Stand 1 — bus station.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







