37 West Street, Gorseinon, Swansea, SA4 4AA
About 37 West Street
37 West Street is a semi-detached house in Gorseinon, Swansea, Swansea (SA4 4AA). It has a recorded floor area of 68 m² (around 732 sq ft) and construction records dating it to 2022. The latest certificate (September 2024) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in April 2024 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Very Good and window efficiency went from Good to Very Good. Main heating runs on electricity: electricity, unspecified tariff. At 68 m² this is the 23rd smallest of 38 units on EPC record in the building, where floor areas span 30–142 m². The building's EPC ratings span G to C across 38 units on file.
3 planning records sit against the property, 1 approved, 0 refused. Past consents include partial demolition and change of use to residential, meaningful when judging how the property has evolved. Today's modelled estimate of £140,000 is 12% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£171/sq ft) was about 98.9% above the typical sold price in the postcode. Most recent transfer: April 2022 at £125,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
EPC Rating
Certificate validity
Valid until 25 September 2034
Property Improvements
Changes detected from historical EPC data
Heating controls changed
High performance glazing installed
Cavity wall insulation installed
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Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
3 applications on record at 37 West Street, Gorseinon, Swansea, SA4 4AA
1 live now- Mar 2020Change of UseOtherOutcome in report
PRE APP for a change of use of ground floor from a shop (Class A1) to two self contained flats (Class C3(a)) and first floor flat (Class C3 to (Class C3(a)) including demolition and replacement works
- Documents
- 14 docs on file
- Reference
- 2020/0315/PRE
- More recent applications — locked
- ExtensionFeb 2026Decision
- Change of UseNov 2020Decision
Unlock 37 West Street, Gorseinon, Swansea, SA4 4AA's full planning history
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- Every decision — granted, refused or withdrawn (2 on record)
- All 3 applications on this property in full, plus 1 notable nearby
- The 56 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£140,000
Modelled from EPC, postcode comparables.
£125,000
Recorded with HM Land Registry.
Sales timeline
4 April 2022Most recent
£125,000
Median price across the last 5 sales in SA4 4AA: £175,000 (2025–2021).
Nearby sales in SA4 4AA
27 West Street, Gorseinon, Swansea, SA4 4AA
Sold Dec 2025
£175,00036 West Street, Gorseinon, Swansea, SA4 4AA
Sold Sept 2025
£225,0008a, West Street, Gorseinon, Swansea, SA4 4AA
Sold Nov 2023
£120,0006 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
EPC Rating for 37 West Street lags the street by a wide margin.
EPC Rating
60 (D)
Street avg 71 (C)
Floor Area
68 m²
Street avg 54 m²
CO₂ Emissions
2.6 t/year
Street avg 1.9 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.







