5 Dolfain, Ystradgynlais, Swansea, SA9 1RA
About 5 Dolfain
5 Dolfain is a semi-detached house in Ystradgynlais, Swansea, Swansea (SA9 1RA). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (February 2025) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in May 2017 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Good and lighting went from Average to Very Good; while roof efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 78).
Today's modelled estimate of £139,000 is 35.6% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£107/sq ft) was about 20.7% above the typical sold price in the postcode. Most recent transfer: April 2024 at £102,500.
Know exactly what you're buying at 5 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
Heating controls upgraded for better temperature management
Hot water system upgraded
Wall insulation improved
More low energy lighting installed
Planning history
5 Dolfain has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 5 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
5 Dolfain changed hands twice within eighteen months — unusual for the area.
£139,000
Modelled from EPC, postcode comparables.
£102,500
Recorded with HM Land Registry.
Sales timeline
24 April 2024Most recent
£102,500
18 April 2023
£102,500
Median price across the last 5 sales in SA9 1RA: £110,000 (2024–2021).
Nearby sales in SA9 1RA
12 Dolfain, Ystradgynlais, Swansea, SA9 1RA
Sold May 2024
£60,00038 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
£92,00034 Dolfain, Ystradgynlais, Swansea, SA9 1RA
Sold Mar 2020
£82,000
Everything we know about 5 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
Years Held for 5 Dolfain lags the street by a wide margin.
Price per m²
£1,152
Street avg £835
Floor Area
89 m²
Street avg 75 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.9 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.