27 West Street, Gorseinon, Swansea, SA4 4AA
About 27 West Street
27 West Street is a four-bedroom mid-terrace house in Gorseinon, Swansea, Swansea (SA4 4AA). It has a recorded floor area of 142 m² (around 1528 sq ft), construction records dating it to before 1900 and council tax band B. Tenure is freehold. The latest certificate (November 2024) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in March 2013 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency dropped from Average to Very Poor and lighting dropped from Very Good to Very Poor. The recommended improvements would push it to C (score 79). Other recorded features include a loft. Records show the property has been extended at some point in its history.
At 142 m² the property is well over the postcode median (63 m² across 37 EPCs), placing it in the larger end of the local stock. A recent sale: £175,000 in December 2025. Across 2006–2025, sale prices on this property compounded at 2.1% per year. Today's modelled estimate of £210,000 is 20% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£114/sq ft) was about 28% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms4
- Bathrooms1
- Dining roomYes
- LoftYes
Outside
- Private gardenYes
- ParkingAllocated
Building
- TenureFreehold
- Previously extendedYes
Energy performance
EPC Rating
Certificate validity
Valid until 20 November 2034
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Low energy lighting percentage decreased
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 £885 · Includes VAT
Planning history
27 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
27 West Street valuation sits well clear of the typical sold price in this postcode.
£210,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.1% per year over 20 years.
£175,000
Growth on file: 2.1% per year over 20 years.
Sales timeline
15 December 2025Most recent
£175,000
+75.1%over 10 years2 December 2015
£99,950
-13.1%over 9 years10 February 2006
£115,000
Median price across the last 5 sales in SA4 4AA: £143,000 (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
£220,00030 West Street, Gorseinon, Swansea, SA4 4AA
Sold Aug 2021
£143,000
Versus other West Street homes
Years Held for 27 West Street lags the street by a wide margin.
Price per m²
£1,232
Street avg £1,112
Floor Area
142 m²
Street avg 109 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.8 t/year
Street avg 6.4 t/year
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The neighbourhood at a glance
Crime
160/mo
Falling 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.







