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 £155,000 is 24% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£171/sq ft) was about 112.8% 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
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- Every decision — granted, refused or withdrawn (2 on record)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.
£155,000
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: £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
£120,0006 West Street, Gorseinon, Swansea, SA4 4AA
Sold Jan 2022
£220,00030 West Street, Gorseinon, Swansea, SA4 4AA
Sold Aug 2021
£143,000Unit 4, West Street, Gorseinon, Swansea, SA4 4AA
Sold Aug 2021
£60,000
Versus other West Street homes
EPC Rating for 37 West Street lags the street by a wide margin.
Price per m²
£1,838
Street avg £1,046
Floor Area
68 m²
Street avg 54 m²
CO₂ Emissions
2.6 t/year
Street avg 1.9 t/year
Years Held
4 years
Street avg 11 years
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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.







