20 Y Llwyni, Llangyfelach, Swansea, SA6 6BL
About 20 Y Llwyni
20 Y Llwyni is a semi-detached house in Llangyfelach, Swansea, Swansea (SA6 6BL). It has a recorded floor area of 53 m² (around 570 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (April 2014) shows a C (score 71). The recommended improvements would push it to B (score 89). The latest certificate is from April 2014, so improvements made since then won't be reflected.
Across 1996–2021, sale prices on this property compounded at 5.7% per year. Today's modelled estimate of £160,000 is 28% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£219/sq ft) was about 48.7% above the typical sold price in the postcode. Last sale on file: £125,000 in October 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
20 Y Llwyni'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This certificate is over 10 years old and is no longer valid.Expired 08 Apr 2024
EPC Rating
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Planning history
20 Y Llwyni has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
20 Y Llwyni has more than quadrupled in price since its earliest registered sale in 1996.
£160,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.7% per year over 26 years.
£125,000
Growth on file: 5.7% per year over 26 years.
Sales timeline
13 October 2021Most recent
£125,000
+317.4%over 25 years26 January 1996
£29,950
Median price across the last 5 sales in SA6 6BL: £180,000 (2025–2021).
Nearby sales in SA6 6BL
44 Y Llwyni, Llangyfelach, Swansea, SA6 6BL
Sold Jun 2025
£166,5005 Y Llwyni, Llangyfelach, Swansea, SA6 6BL
Sold Nov 2024
£235,00018 Y Llwyni, Llangyfelach, Swansea, SA6 6BL
Sold Jun 2022
£140,00036 Y Llwyni, Llangyfelach, Swansea, SA6 6BL
Sold Jun 2022
£244,0008 Y Llwyni, Llangyfelach, Swansea, SA6 6BL
Sold Mar 2021
£180,000
Versus other Y Llwyni homes
Price per m²
£2,358
Street avg £2,080
Floor Area
53 m²
Street avg 57 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.9 t/year
Street avg 2.3 t/year
Similar properties nearby
1 Bro Dawel, Llangyfelach
SA6 6DE
1 Bryn Rhosyn, Llangyfelach
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1 Clos Cadno, Cwmrhydyceirw
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1 Bryn Glas, Llangyfelach
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1 Brangwyn Close, Morriston
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1 Clos Waun Wen, Llangyfelach
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1 Cae Crug, Llangyfelach
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1 Can Yr Aderyn, Morriston
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
The Close — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







