34 Ynyscedwyn Road, Ystradgynlais, Swansea, SA9 1BH
About 34 Ynyscedwyn Road
34 Ynyscedwyn Road is a four-bedroom detached house in Ystradgynlais, Swansea, Swansea (SA9 1BH). It has a recorded floor area of 107 m² (around 1152 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (June 2018) shows an E (score 50), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since September 2012. Between certificates, hot-water efficiency went from Poor to Good and lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 80), a 2-band jump.
Today's modelled estimate of £310,000 sits 57% above the 2018 sale of £197,500. On a £-per-square-foot basis, the last sale (£171/sq ft) was about 50.8% above the typical sold price in the postcode. Most recent transfer: December 2018 at £197,500.
Know exactly what you're buying at 34 Ynyscedwyn 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
- Bedrooms4
- Bathrooms1
- CloakroomYes
Outside
- Private gardenrear
- Parkingoff_road
Energy performance
34 Ynyscedwyn Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
Planning history
34 Ynyscedwyn Road has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 34 Ynyscedwyn 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
34 Ynyscedwyn Road valuation sits well clear of the typical sold price in this postcode.
£310,000
Modelled from EPC, postcode comparables.
£197,500
Recorded with HM Land Registry.
Sales timeline
13 December 2018Most recent
£197,500
Median price across the last 5 sales in SA9 1BH: £184,900 (2025–2019).
Nearby sales in SA9 1BH
49 Ynyscedwyn Road, Ystradgynlais, Swansea, SA9 1BH
Sold Jun 2025
£184,90057 Ynyscedwyn Road, Ystradgynlais, Swansea, SA9 1BH
Sold Sept 2024
£270,00062 Ynyscedwyn Road, Ystradgynlais, Swansea, SA9 1BH
Sold Jun 2022
£240,00024 Ynyscedwyn Road, Ystradgynlais, Swansea, SA9 1BH
Sold Feb 2021
£145,00048 Ynyscedwyn Road, Ystradgynlais, Swansea, SA9 1BH
Sold Nov 2018
£225,000
Everything we know about 34 Ynyscedwyn 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 Ynyscedwyn Road homes
Habitable Rooms for 34 Ynyscedwyn Road lags the street by a wide margin.
Price per m²
£1,846
Street avg £1,426
Floor Area
107 m²
Street avg 121 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
6.4 t/year
Street avg 6.0 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
Heol Ynyscedwyn — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.