3a, Brynffynon Road, Gorseinon, Swansea, SA4 4XJ
About 3a
3a is a detached house in Gorseinon, Swansea, Swansea (SA4 4XJ). It has a recorded floor area of 141 m² (around 1518 sq ft), construction records dating it to 2003-2006 and council tax band F. The latest certificate (March 2015) shows a C (score 74). The recommended improvements would push it to B (score 85). The latest certificate is from March 2015, so improvements made since then won't be reflected.
At 141 m² the property is well over the postcode median (94 m² across 8 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £345,000 sits 62% above the 2015 sale of £213,000. Last changed hands 11 years ago, in November 2015. One historical planning record sits against the property in 2022.
Energy performance
3a's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 13 Mar 2025
EPC Rating
Certificate validity
Expired on 13 March 2025
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Planning history
1 application on record at 3a, Brynffynon Road, Gorseinon, Swansea, SA4 4XJ
- Feb 2022ExtensionOutlineOutcome in report
Extension: Single storey · Rear of property
Single storey rear extension and 1.4m high rear fence and access gate (Application for a Certificate of Proposed Lawful Development)
- Documents
- 15 docs on file
- Reference
- 2021/2839/PLD
Unlock 3a, Brynffynon Road, Gorseinon, Swansea, SA4 4XJ's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 1 notable nearby
- The 15 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 3a was the highest on Land Registry record across the postcode.
£345,000
Modelled from EPC, postcode comparables.
£213,000
Recorded with HM Land Registry.
Sales timeline
4 November 2015Most recent
£213,000
Median price across the last 5 sales in SA4 4XJ: £140,000 (2023–2014).
Nearby sales in SA4 4XJ
10 Brynffynon Road, Gorseinon, Swansea, SA4 4XJ
Sold Jun 2023
£185,0009 Brynffynon Road, Gorseinon, Swansea, SA4 4XJ
Sold Aug 2021
£147,00018 Brynffynon Road, Gorseinon, Swansea, SA4 4XJ
Sold Sept 2020
£140,00012 Brynffynon Road, Gorseinon, Swansea, SA4 4XJ
Sold Jan 2015
£125,0007 Brynffynon Road, Gorseinon, Swansea, SA4 4XJ
Sold Feb 2001
£59,950
Versus other Brynffynon Road homes
3a outperforms the street on epc rating by a wide margin.
Price per m²
£1,511
Street avg £1,640
Floor Area
141 m²
Street avg 99 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
3.7 t/year
Street avg 3.4 t/year
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The neighbourhood at a glance
Crime
160/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Brynffynnon Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







