12 Llys Tawel, Ystradgynlais, Swansea, SA9 1BL
About 12 Llys Tawel
12 Llys Tawel is a four-bedroom detached house in Ystradgynlais, Swansea, Swansea (SA9 1BL). It has a recorded floor area of 170 m² (around 1830 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (September 2016) shows a C (score 73). When first surveyed in December 2012 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Average to Good and hot-water efficiency went from Average to Very Good.
At 170 m² the property is well over the postcode median (96 m² across 4 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £440,000 sits 120% above the 2013 sale of £200,000. Last sold in June 2013, so it's been off the market for around 13 years.
Know exactly what you're buying at 12 Llys Tawel
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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Switched from oil to mains gas, reducing emissions and costs
Heating controls changed
Hot water system upgraded
Window efficiency improved
Wall insulation improved
Floor insulation added or improved
Solar water heating installed
Planning history
12 Llys Tawel has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 12 Llys Tawel
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
£440,000
Modelled from EPC, postcode comparables.
£200,000
Recorded with HM Land Registry.
Sales timeline
20 June 2013Most recent
£200,000
Median price across the last 2 sales in SA9 1BL: £87,500 (2010–2002).
Everything we know about 12 Llys Tawel, 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 Llys Tawel homes
EPC Rating for 12 Llys Tawel runs comfortably ahead of the street norm.
EPC Rating
73 (C)
Street avg 55 (D)
Floor Area
170 m²
Street avg 84 m²
CO₂ Emissions
4.9 t/year
Street avg 5.2 t/year
Habitable Rooms
7 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
0.2 km
Heol Eglwys — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.