20 Dolfain, Ystradgynlais, Swansea, SA9 1RA
About 20 Dolfain
20 Dolfain is a semi-detached house in Ystradgynlais, Swansea, Swansea (SA9 1RA). It has a recorded floor area of 133 m² (around 1434 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (December 2011) shows a C (score 73). The latest certificate is from December 2011, so improvements made since then won't be reflected.
At 133 m² the property is well over the postcode median (81 m² across 42 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 71% of similar EPCs). 2 planning records sit against the property, 0 approved, 0 refused.
Know exactly what you're buying at 20 Dolfain
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
20 Dolfain'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This certificate is over 10 years old and is no longer valid.Expired 06 Dec 2021
EPC Rating
Planning history
20 Dolfain has 2 separate extension applications on the council record.
- Jun 2010ExtensionFullIn report
Extension: Two storey
Householder: Erection of a two storey extension.
- Documents
- 1 doc on file
- Reference
- P/2010/0453
- Mar 2010ExtensionFullIn report
Extension: Two storey
Erection of 2 storey extension
- Documents
- 1 doc on file
- Reference
- P/2010/0085
We flagged 1 thing worth checking at 20 Dolfain
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
20 Dolfain has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£179,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SA9 1RA: £102,500 (2024–2022).
Nearby sales in SA9 1RA
12 Dolfain, Ystradgynlais, Swansea, SA9 1RA
Sold May 2024
£60,0005 Dolfain, Ystradgynlais, Swansea, SA9 1RA
Sold Apr 2024
£102,50038 Dolfain, Ystradgynlais, Swansea, SA9 1RA
Sold Mar 2023
£125,00028 Dolfain, Ystradgynlais, Swansea, SA9 1RA
Sold Nov 2022
£113,00047 Dolfain, Ystradgynlais, Swansea, SA9 1RA
Sold Aug 2021
£92,000
Everything we know about 20 Dolfain, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Dolfain homes
20 Dolfain outperforms the street on floor area by a wide margin.
EPC Rating
73 (C)
Street avg 61 (D)
Floor Area
133 m²
Street avg 74 m²
CO₂ Emissions
4.0 t/year
Street avg 4.0 t/year
Habitable Rooms
6 rooms
Street avg 4 rooms
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Stage One Garage — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.