21 Heol Rhyd Ddu Fach, Cwmllynfell, Swansea, SA9 2WB
About 21 Heol Rhyd Ddu Fach
21 Heol Rhyd Ddu Fach is a three-bedroom semi-detached house in Cwmllynfell, Swansea, Swansea (SA9 2WB). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to before 1900 and council tax band B. Tenure is freehold. The latest certificate (November 2023) shows an F (score 36), near the bottom of the EPC scale. Earlier certificates rated it E (May 2021); the latest reading is one band lower. Between certificates, lighting dropped from Average to Poor. The recommended improvements would lift it to C (score 74), a 3-band jump. Main heating runs on oil.
It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). Today's modelled estimate of £176,000 is 23.9% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£148/sq ft) was about 71.7% above the typical sold price in the postcode. Last sale on file: £142,000 in June 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 21 Heol Rhyd Ddu Fach
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Utility roomYes
- EnsuiteYes
Outside
- Private gardenYes
- GarageYes
Building
- TenureFreehold
- Heating systemoil
Energy performance
21 Heol Rhyd Ddu Fach's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
21 Heol Rhyd Ddu Fach has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£176,000
Modelled from EPC, postcode comparables.
£142,000
Recorded with HM Land Registry.
Sales timeline
14 June 2022Most recent
£142,000
Median price across the last 5 sales in SA9 2WB: £100,000 (2024–2019).
Nearby sales in SA9 2WB
1 Heol Rhyd Ddu Fach, Cwmllynfell, Swansea, SA9 2WB
Sold Apr 2024
£100,00017 Heol Rhyd Ddu Fach, Cwmllynfell, Swansea, SA9 2WB
Sold Nov 2023
£148,75019 Heol Rhyd Ddu Fach, Cwmllynfell, Swansea, SA9 2WB
Sold May 2023
£163,0007 Heol Rhyd Ddu Fach, Cwmllynfell, Swansea, SA9 2WB
Sold Oct 2019
£72,50015 Heol Rhyd Ddu Fach, Cwmllynfell, Swansea, SA9 2WB
Sold Apr 2019
£80,000
Everything we know about 21 Heol Rhyd Ddu Fach, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Heol Rhyd Ddu Fach homes
Habitable Rooms for 21 Heol Rhyd Ddu Fach lags the street by a wide margin.
Price per m²
£1,596
Street avg £1,096
Floor Area
89 m²
Street avg 92 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
8.0 t/year
Street avg 7.5 t/year
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1 Bethel Road, Lower Cwmtwrch
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1 Brynawel Terrace, Ystradowen
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1 Crimea Court, Graig Newydd, Godrergraig
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Cefn Bryn-Brain — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.