12 Felinfach, Ystradowen, Swansea, SA9 2XR
About 12 Felinfach
12 Felinfach is a mid-terrace house in Ystradowen, Swansea, Swansea (SA9 2XR). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (March 2024) shows a C (score 69), just inside the C band. When first surveyed in April 2010 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Average to Good and main heating went from Average to Good; while hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 91). Main heating runs on electricity.
Held since March 2003 — that's 23 years off the open market, well above the local norm. At 91 m² the property is well over the postcode median (60 m² across 6 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Across 2000–2003, sale prices on this property compounded at 6.3% per year. Today's modelled estimate of £149,000 sits 302.7% above the 2003 sale of £37,000. On a £-per-square-foot basis, the last sale (£38/sq ft) was about 57.1% below the postcode norm. One planning record on file: an extension approved in 2018. Past consents include an extension, meaningful when judging how the property has evolved.
Know exactly what you're buying at 12 Felinfach
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
12 Felinfach ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Window efficiency improved
Roof insulation improved
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Roof insulation improved
More low energy lighting installed
Solar PV panels (45 kWp) installed
Planning history
- Dec 2018ExtensionFullIn report
REPLACEMENT AND EXTENSION OF EXISTING WOODEN DECKING AREA
- Documents
- 13 docs on file
- Reference
- E/37962
What's in 12 Felinfach, Ystradowen, Swansea, SA9 2XR's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
12 Felinfach's modelled value sits at over four times its earliest registered sale price (2000).
£149,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.3% per year over 2 years.
£37,000
Growth on file: 6.3% per year over 2 years.
Sales timeline
28 March 2003Most recent
£37,000
+15.1%over 2 years11 December 2000
£32,150
Median price across the last 5 sales in SA9 2XR: £95,000 (2025–2013).
Nearby sales in SA9 2XR
2 Felinfach, Ystradowen, Swansea, SA9 2XR
Sold Apr 2025
£105,0008 Felinfach, Ystradowen, Swansea, SA9 2XR
Sold Nov 2017
£80,00014 Felinfach, Ystradowen, Swansea, SA9 2XR
Sold Sept 2017
£95,0006 Felinfach, Ystradowen, Swansea, SA9 2XR
Sold Oct 2013
£105,0004 Felinfach, Ystradowen, Swansea, SA9 2XR
Sold Dec 2008
£45,800
Everything we know about 12 Felinfach, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Felinfach homes
Price per m² for 12 Felinfach lags the street by a wide margin.
Price per m²
£407
Street avg £1,207
Floor Area
91 m²
Street avg 69 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.9 t/year
Street avg 3.9 t/year
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Woodland Road — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.