11 Dolfain, Ystradgynlais, Swansea, SA9 1RA
About 11 Dolfain
11 Dolfain is a semi-detached house in Ystradgynlais, Swansea, Swansea (SA9 1RA). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (August 2025) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in March 2013 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Average, roof efficiency went from Good to Very Good and hot-water efficiency went from Average to Good; while lighting dropped from Average to Poor. The recommended improvements would push it to C (score 76).
Know exactly what you're buying at 11 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
EPC Rating
Property Improvements
Changes detected from historical EPC data
Switched from oil to mains gas, reducing emissions and costs
Heating controls upgraded for better temperature management
Hot water efficiency improved
Wall insulation improved
Loft insulation upgraded to recommended levels
Planning history
11 Dolfain has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 11 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
11 Dolfain has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£136,000
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 11 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
EPC Rating
68 (D)
Street avg 62 (D)
Floor Area
76 m²
Street avg 75 m²
CO₂ Emissions
2.6 t/year
Street avg 4.0 t/year
Habitable Rooms
4 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.