31 Glanrhyd Road, Ystradgynlais, Swansea, SA9 1AU
About 31 Glanrhyd Road
31 Glanrhyd Road is a semi-detached house in Ystradgynlais, Swansea, Swansea (SA9 1AU). It has a recorded floor area of 81 m² (around 872 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (July 2023) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2015. Between certificates, roof efficiency went from Average to Good, window efficiency went from Average to Good and lighting went from Poor to Very Good; while wall efficiency dropped from Poor to Very Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 87), a 2-band jump.
Across 2016–2024, sale prices on this property compounded at 13.7% per year. Today's modelled estimate of £189,000 is 11.2% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£195/sq ft) was about 95.8% above the typical sold price in the postcode. At 81 m² it's 19% smaller than the typical home in the postcode (100 m² median across 17 EPCs). Last sale on file: £170,000 in January 2024.
Know exactly what you're buying at 31 Glanrhyd 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
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency decreased
Window efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
31 Glanrhyd Road has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 31 Glanrhyd 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
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Sales history & valuation
Sale price has at least doubled since 2016.
£189,000
Modelled from EPC, postcode comparables and a sale-price growth of 13.7% per year over 7 years.
£170,000
Growth on file: 13.7% per year over 7 years.
Sales timeline
10 January 2024Most recent
£170,000
+150.0%over 7 years25 November 2016
£68,000
Median price across the last 5 sales in SA9 1AU: £80,000 (2025–2020).
Nearby sales in SA9 1AU
11 Glanrhyd Road, Ystradgynlais, Swansea, SA9 1AU
Sold Apr 2025
£132,50030 Glanrhyd Road, Ystradgynlais, Swansea, SA9 1AU
Sold Feb 2025
£185,00025 Glanrhyd Road, Ystradgynlais, Swansea, SA9 1AU
Sold Nov 2020
£4,25021 Glanrhyd Road, Ystradgynlais, Swansea, SA9 1AU
Sold Apr 2020
£80,00019 Glanrhyd Road, Ystradgynlais, Swansea, SA9 1AU
Sold Feb 2020
£70,000
Everything we know about 31 Glanrhyd 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 Glanrhyd Road homes
On price per m², 31 Glanrhyd Road stands well clear of the street.
Price per m²
£2,099
Street avg £1,196
Floor Area
81 m²
Street avg 112 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.4 t/year
Street avg 7.2 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
Glanrhyd Hospital — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.