26 27, Dol Y Dderwen, Ystradgynlais, Swansea, SA9 1QJ
About 26 27
26 27 is a detached house in Ystradgynlais, Swansea, Swansea (SA9 1QJ). It has a recorded floor area of 172 m² (around 1855 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (February 2011) shows a C (score 73). The latest certificate is from February 2011, so improvements made since then won't be reflected.
At 172 m² the property is well over the postcode median (69 m² across 21 EPCs), placing it in the larger end of the local stock.
Know exactly what you're buying at 26 27
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
26 27's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 07 Feb 2021
EPC Rating
Planning history
26 27 has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 26 27
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
26 27 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£356,000
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 1QJ: £116,000 (2016–1996).
Everything we know about 26 27, 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 Dol Y Dderwen homes
On floor area, 26 27 stands well clear of the street.
EPC Rating
73 (C)
Street avg 72 (C)
Floor Area
172 m²
Street avg 75 m²
CO₂ Emissions
4.8 t/year
Street avg 2.6 t/year
Habitable Rooms
10 rooms
Street avg 4 rooms
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1 Brynygroes Cottages, Ystradgynlais
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1 Abercrave Villas, Heol Tawe, Abercrave
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1 2 Metz Cottages, Ystradgynlais
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1 Astoria Place, Ystradgynlais
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1 Caerbont Cottages, Abercrave
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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
Lluest — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.