12 Cwmtawe Road, Ystradgynlais, Swansea, SA9 1QU
About 12 Cwmtawe Road
12 Cwmtawe Road is a semi-detached house in Ystradgynlais, Swansea, Swansea (SA9 1QU). It has a recorded floor area of 102 m² (around 1098 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (March 2013) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in August 2010 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Good, lighting went from Very Poor to Good and main heating went from Poor to Average. The recommended improvements would lift it to B (score 82), a 2-band jump. Main heating runs on house coal. The latest certificate is from March 2013, so improvements made since then won't be reflected.
Know exactly what you're buying at 12 Cwmtawe Road
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
12 Cwmtawe Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 12 Mar 2023
EPC Rating
Property Improvements
Changes detected from historical EPC data
Fuel source changed
Hot water system upgraded
More low energy lighting installed
Planning history
12 Cwmtawe Road has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 12 Cwmtawe Road
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
12 Cwmtawe Road has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£160,000
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 1QU: £150,000 (2025–2021).
Nearby sales in SA9 1QU
35 Cwmtawe Road, Ystradgynlais, Swansea, SA9 1QU
Sold Oct 2025
£150,00011 Cwmtawe Road, Ystradgynlais, Swansea, SA9 1QU
Sold Jul 2022
£225,00029 Cwmtawe Road, Ystradgynlais, Swansea, SA9 1QU
Sold Aug 2021
£120,00038 Cwmtawe Road, Ystradgynlais, Swansea, SA9 1QU
Sold Jul 2021
£145,0005 Cwmtawe Road, Ystradgynlais, Swansea, SA9 1QU
Sold May 2021
£385,000
Everything we know about 12 Cwmtawe Road, 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 Cwmtawe Road homes
Habitable Rooms for 12 Cwmtawe Road runs comfortably ahead of the street norm.
EPC Rating
65 (D)
Street avg 60 (D)
Floor Area
102 m²
Street avg 123 m²
CO₂ Emissions
6.6 t/year
Street avg 6.4 t/year
Habitable Rooms
7 rooms
Street avg 5 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
Primary School — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.