Rhoscerdd House, Snow Terrace, Ystradgynlais, Swansea, SA9 1AX
About Rhoscerdd House
Rhoscerdd House is a detached house in Ystradgynlais, Swansea, Swansea (SA9 1AX). It has a recorded floor area of 135 m² (around 1453 sq ft) and construction records dating it to 1930-1949. The latest certificate (November 2015) shows a C (score 79), near the top of the C band. When first surveyed in October 2015 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Very Poor to Good and lighting went from Good to Very Good. The recommended improvements would push it to B (score 84). The latest certificate is from November 2015, so improvements made since then won't be reflected.
At 135 m² the property is well over the postcode median (96 m² across 3 EPCs), placing it in the larger end of the local stock.
Know exactly what you're buying at Rhoscerdd House
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
Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 10 Nov 2025
EPC Rating
Property Improvements
Changes detected from historical EPC data
Glazing upgraded to newer, more efficient type
Cavity wall insulation installed
Roof insulation improved
More low energy lighting installed
Planning history
Rhoscerdd House has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at Rhoscerdd House
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
Rhoscerdd House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£326,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SA9 1AX: £110,000 (2020–2005).
Everything we know about Rhoscerdd House, 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 Snow Terrace homes
Rhoscerdd House outperforms the street on epc rating by a wide margin.
EPC Rating
79 (C)
Street avg 54 (E)
Floor Area
135 m²
Street avg 96 m²
CO₂ Emissions
4.3 t/year
Street avg 5.5 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
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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
Post Office — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.