28 Dolfain, Ystradgynlais, Swansea, SA9 1RA
About 28 Dolfain
28 Dolfain is a two-bedroom semi-detached house in Ystradgynlais, Swansea, Swansea (SA9 1RA). It has a recorded floor area of 81 m² (around 872 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (November 2025) shows a C (score 69), just inside the C band. When first surveyed in June 2021 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency dropped from Average to Poor and lighting dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition.
Its energy rating outperforms most of the postcode (better than 71% of similar EPCs). Across 2021–2022, sale prices on this property compounded at 41.3% per year. Today's modelled estimate of £133,000 is 17.7% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£130/sq ft) was about 46.2% above the typical sold price in the postcode. Most recent transfer: November 2022 at £113,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 28 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
What this property has
Inside
- Bedrooms2
- Bathrooms1
- Dining roomYes
- CloakroomYes
Outside
- Private gardenfront_and_rear
- GarageYes
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
28 Dolfain has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 2 things worth checking at 28 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
- Recent ownership pattern worth a look
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Sales history & valuation
28 Dolfain changed hands twice within eighteen months — unusual for the area.
£133,000
Modelled from EPC, postcode comparables and a sale-price growth of 41.3% per year over 1 year.
£113,000
Growth on file: 41.3% per year over 1 year.
Sales timeline
4 November 2022Most recent
£113,000
+41.3%over 11 months1 December 2021
£80,000
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
£125,00047 Dolfain, Ystradgynlais, Swansea, SA9 1RA
Sold Aug 2021
£92,00034 Dolfain, Ystradgynlais, Swansea, SA9 1RA
Sold Mar 2020
£82,000
Everything we know about 28 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
- Recent ownership pattern worth a look

Versus other Dolfain homes
28 Dolfain outperforms the street on price per m² by a wide margin.
Price per m²
£1,395
Street avg £821
Floor Area
81 m²
Street avg 75 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
2.8 t/year
Street avg 4.0 t/year
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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.