18 Ael Y Bryn, Penclawdd, Swansea, SA4 3LF
About 18 Ael Y Bryn
18 Ael Y Bryn is a detached house in Penclawdd, Swansea, Swansea (SA4 3LF). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (September 2020) shows an F (score 21), near the bottom of the EPC scale. The recommended improvements would lift it to D (score 66), a 2-band jump. Main heating runs on oil.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £288,000 is 32.7% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£204/sq ft) was about 44.7% above the typical sold price in the postcode. Last sale on file: £217,000 in January 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
18 Ael Y Bryn sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Certificate validity
Valid until 7 September 2030
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
18 Ael Y Bryn has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£288,000
Modelled from EPC, postcode comparables.
£217,000
Recorded with HM Land Registry.
Sales timeline
22 January 2021Most recent
£217,000
Median price across the last 5 sales in SA4 3LF: £233,000 (2025–2016).
Nearby sales in SA4 3LF
27 Ael Y Bryn, Penclawdd, Swansea, SA4 3LF
Sold Oct 2025
£260,00012 Ael Y Bryn, Penclawdd, Swansea, SA4 3LF
Sold Mar 2025
£267,50021 Ael Y Bryn, Penclawdd, Swansea, SA4 3LF
Sold Jul 2021
£233,0004 Ael Y Bryn, Penclawdd, Swansea, SA4 3LF
Sold May 2019
£175,00023 Ael Y Bryn, Penclawdd, Swansea, SA4 3LF
Sold Nov 2016
£176,500
Versus other Ael Y Bryn homes
18 Ael Y Bryn is notably below the street on epc rating.
Price per m²
£2,192
Street avg £1,996
Floor Area
99 m²
Street avg 105 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
9.7 t/year
Street avg 4.0 t/year
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1 Cae Mansel Road, Gowerton
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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
Ael-y-bryn Path — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







