18 Cwmtawe Road, Ystradgynlais, Swansea, SA9 1QU
About 18 Cwmtawe Road
18 Cwmtawe Road is a three-bedroom detached house in Ystradgynlais, Swansea, Swansea (SA9 1QU). It has a recorded floor area of 178 m² (around 1916 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (September 2020) shows an F (score 25), near the bottom of the EPC scale. The recommended improvements would lift it to D (score 68), a 2-band jump.
At 178 m² the property is well over the postcode median (96 m² across 24 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £333,000 is 16.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£149/sq ft) was about 35.5% above the typical sold price in the postcode. Sold March 2021 for £285,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 18 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
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
Outside
- Private gardenYes
- Parkingoff_road
Energy performance
18 Cwmtawe Road sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Planning history
18 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 18 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£333,000
Modelled from EPC, postcode comparables.
£285,000
Recorded with HM Land Registry.
Sales timeline
24 March 2021Most recent
£285,000
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 18 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
On epc rating, 18 Cwmtawe Road runs well behind the street norm.
Price per m²
£1,601
Street avg £1,315
Floor Area
178 m²
Street avg 120 m²
Habitable Rooms
8 rooms
Street avg 5 rooms
CO₂ Emissions
19.0 t/year
Street avg 5.8 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
Primary School — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.