12 Brynafon Road, Gorseinon, Swansea, SA4 4YF
About 12 Brynafon Road
12 Brynafon Road is a detached house in Gorseinon, Swansea, Swansea (SA4 4YF). It has a recorded floor area of 97 m² (around 1042 sq ft), construction records dating it to 1976-1982 and council tax band D. The latest certificate (August 2009) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 67). The latest certificate is from August 2009, so improvements made since then won't be reflected.
Held since November 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2005–2009, sale prices on this property compounded at 1.6% per year. Today's modelled estimate of £253,000 sits 58.1% above the 2009 sale of £160,000.
Energy performance
12 Brynafon Road sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Aug 2019
EPC Rating
Certificate validity
Expired on 19 August 2019
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Planning history
12 Brynafon Road 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
The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.
£253,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.6% per year over 5 years.
£160,000
Growth on file: 1.6% per year over 5 years.
Sales timeline
18 November 2009Most recent
£160,000
+8.1%over 4 years21 January 2005
£147,950
Median price across the last 5 sales in SA4 4YF: £240,000 (2025–2022).
Nearby sales in SA4 4YF
6 Brynafon Road, Gorseinon, Swansea, SA4 4YF
Sold May 2025
£240,00024 Brynafon Road, Gorseinon, Swansea, SA4 4YF
Sold Apr 2024
£240,00020 Brynafon Road, Gorseinon, Swansea, SA4 4YF
Sold Jul 2023
£251,00031 Brynafon Road, Gorseinon, Swansea, SA4 4YF
Sold Mar 2023
£180,00014 Brynafon Road, Gorseinon, Swansea, SA4 4YF
Sold Sept 2022
£300,000
Versus other Brynafon Road homes
EPC Rating for 12 Brynafon Road lags the street by a wide margin.
Price per m²
£1,653
Street avg £1,848
Floor Area
97 m²
Street avg 97 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
5.5 t/year
Street avg 3.3 t/year
Similar properties nearby
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1 Brighton Road, Gorseinon
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1 Bryn Mount, Gorseinon
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1 Bryncelin Road, Gorseinon
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1 Brynafon Road, Gorseinon
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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
Penyrheol Post Office — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







