21 Y Dolau, Llangyfelach, Swansea, SA6 6BN
About 21 Y Dolau
21 Y Dolau is a mid-terrace house in Llangyfelach, Swansea, Swansea (SA6 6BN). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1976-1982 and council tax band A. The latest certificate (March 2017) shows an F (score 38), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 78), a 3-band jump. Main heating runs on electricity.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1998–2020, sale prices on this property compounded at 4.8% per year. Today's modelled estimate of £115,000 sits 64.3% above the 2020 sale of £70,000. Sold February 2020 for £70,000. Across the public record there are 4 sales, relatively high churn for a single property.
Energy performance
21 Y Dolau sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
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 £820 · Includes VAT
Planning history
21 Y Dolau 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
Sale price has at least doubled since 1998.
£115,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.8% per year over 22 years.
£70,000
Growth on file: 4.8% per year over 22 years.
Sales timeline
7 February 2020Most recent
£70,000
-6.0%over 12 years16 July 2007
£74,500
+81.7%over 4 years21 January 2003
£41,000
+60.8%over 4 years13 July 1998
£25,500
Median price across the last 5 sales in SA6 6BN: £137,000 (2025–2024).
Nearby sales in SA6 6BN
3 Y Dolau, Llangyfelach, Swansea, SA6 6BN
Sold Apr 2025
£137,0008 Y Dolau, Llangyfelach, Swansea, SA6 6BN
Sold Oct 2024
£170,00025 Y Dolau, Llangyfelach, Swansea, SA6 6BN
Sold Jul 2024
£78,0004 Y Dolau, Llangyfelach, Swansea, SA6 6BN
Sold May 2024
£140,00019 Y Dolau, Llangyfelach, Swansea, SA6 6BN
Sold Mar 2024
£106,500
Versus other Y Dolau homes
On epc rating, 21 Y Dolau runs well behind the street norm.
Price per m²
£1,556
Street avg £2,245
Floor Area
45 m²
Street avg 55 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
3.3 t/year
Street avg 2.6 t/year
Similar properties nearby
1 Brangwyn Close, Morriston
SA6 6AS
1 Bryn Rhosyn, Llangyfelach
SA6 6DB
1 Bro Dawel, Llangyfelach
SA6 6DE
1 Clos Cadno, Cwmrhydyceirw
SA6 6TT
1 Bryn Glas, Llangyfelach
SA6 6BQ
1 Clos Waun Wen, Llangyfelach
SA6 6EF
1 Cae Crug, Llangyfelach
SA6 6FB
1 Can Yr Aderyn, Morriston
SA6 6AZ
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Morriston Cemetery — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







