Flat, 50 Commercial Street, Ystradgynlais, Swansea, SA9 1JH
About Flat
Flat is a mid-terrace house in Ystradgynlais, Swansea, Swansea (SA9 1JH). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (September 2024) shows a D (score 56), a step below the typical UK home. The recommended improvements would push it to C (score 72).
Today's modelled estimate of £137,000 is 45.2% below the 2018 sale of £250,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£250/sq ft) was about 134.2% above the typical sold price in the postcode. Sold July 2018 for £250,000.
Know exactly what you're buying at Flat
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
Planning history
Flat has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at Flat
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
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Sales history & valuation
Latest sale on Flat was the highest on Land Registry record across the postcode.
£137,000
Modelled from EPC, postcode comparables.
£250,000
Recorded with HM Land Registry.
Sales timeline
10 July 2018Most recent
£250,000
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
£125,00035 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
£225,00033 Commercial Street, Ystradgynlais, Swansea, SA9 1JH
Sold Jun 2018
£97,500
Everything we know about Flat, 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

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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.