35 Commercial Street, Ystradgynlais, Swansea, SA9 1JH
About 35 Commercial Street
35 Commercial Street is a three-bedroom mid-terrace house in Ystradgynlais, Swansea, Swansea (SA9 1JH). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to before 1900 and council tax band B. Tenure is freehold. The latest certificate (December 2022) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2009. Between certificates, lighting went from Poor to Very Good. The recommended improvements would lift it to B (score 83), a 2-band jump.
Across 1998–2024, sale prices on this property compounded at 4.8% per year. Today's modelled estimate of £149,000 is 10.4% above the 2024 sale price. Most recent transfer: April 2024 at £135,000.
Know exactly what you're buying at 35 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
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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
- GarageYes
Building
- TenureFreehold
- Heating systemelectric
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
More low energy lighting installed
Planning history
35 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 35 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
Sale price has grown by over 3x since 1998.
£149,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.8% per year over 26 years.
£135,000
Growth on file: 4.8% per year over 26 years.
Sales timeline
11 April 2024Most recent
£135,000
+145.5%over 25 years13 October 1998
£55,000
+37.5%16 April 1998
£40,000
Median price across the last 5 sales in SA9 1JH: £125,000 (2024–2018).
Nearby sales in SA9 1JH
23 Commercial Street, Ystradgynlais, Swansea, SA9 1JH
Sold Jul 2024
£125,00040 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 35 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
35 Commercial Street outperforms the street on epc rating by a wide margin.
Price per m²
£1,517
Street avg £1,277
Floor Area
89 m²
Street avg 104 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.2 t/year
Street avg 5.7 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.