23 Commercial Street, Ystradgynlais, Swansea, SA9 1JH
About 23 Commercial Street
23 Commercial Street is a three-bedroom end-of-terrace house in Ystradgynlais, Swansea, Swansea (SA9 1JH). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (September 2016) shows an E (score 46), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 83), a 3-band jump. Main heating runs on oil.
Today's modelled estimate of £152,000 is 21.6% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£128/sq ft) was about 19.7% above the typical sold price in the postcode. Last sale on file: £125,000 in July 2024.
Know exactly what you're buying at 23 Commercial Street
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
Energy performance
23 Commercial Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
23 Commercial Street has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 23 Commercial Street
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
23 Commercial Street valuation sits well clear of the typical sold price in this postcode.
£152,000
Modelled from EPC, postcode comparables.
£125,000
Recorded with HM Land Registry.
Sales timeline
17 July 2024Most recent
£125,000
Median price across the last 5 sales in SA9 1JH: £135,000 (2024–2018).
Nearby sales in SA9 1JH
35 Commercial Street, Ystradgynlais, Swansea, SA9 1JH
Sold Apr 2024
£135,00040 42, Commercial Street, Ystradgynlais, Swansea, SA9 1JH
Sold Jul 2021
£90,00019 Commercial Street, Ystradgynlais, Swansea, SA9 1JH
Sold Dec 2020
£225,000Flat, 50 Commercial Street, Ystradgynlais, Swansea, SA9 1JH
Sold Jul 2018
£250,00033 Commercial Street, Ystradgynlais, Swansea, SA9 1JH
Sold Jun 2018
£97,500
Everything we know about 23 Commercial Street, 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 Commercial Street homes
Years Held for 23 Commercial Street lags the street by a wide margin.
Price per m²
£1,374
Street avg £1,313
Floor Area
91 m²
Street avg 104 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
6.9 t/year
Street avg 5.2 t/year
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Commercial Street — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.