3 Llys Mieri, Penllergaer, Swansea, SA4 9DL
About 3 Llys Mieri
3 Llys Mieri is a three-bedroom end-of-terrace house in Penllergaer, Swansea, Swansea (SA4 9DL). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 2007-2011 and council tax band D. The latest certificate (October 2022) shows a C (score 79), near the top of the C band. Earlier certificates rated it B (March 2011); the latest reading is one band lower. Between certificates, lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would lift it to A (score 92), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
Today's modelled estimate of £208,000 sits 52.9% above the 2011 sale of £135,995. 15 years since the last transfer (September 2011). At 73 m² it's 18.8% smaller than the typical home in the postcode (90 m² median across 13 EPCs).
What this property has
Inside
- Bedrooms3
- Bathrooms2
- EnsuiteYes
Outside
- Private gardenYes
- DrivewayYes
Building
- Heating systemGas
- Extension potentialPossible
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
3 Llys Mieri has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
3 Llys Mieri valuation sits well clear of the typical sold price in this postcode.
£208,000
Modelled from EPC, postcode comparables.
£135,995
Recorded with HM Land Registry.
Sales timeline
21 September 2011Most recent
£135,995
Median price across the last 5 sales in SA4 9DL: £209,000 (2025–2016).
Nearby sales in SA4 9DL
7 Llys Mieri, Penllergaer, Swansea, SA4 9DL
Sold Aug 2025
£215,0009 Llys Mieri, Penllergaer, Swansea, SA4 9DL
Sold Feb 2024
£209,00014 Llys Mieri, Penllergaer, Swansea, SA4 9DL
Sold Aug 2017
£231,0005 Llys Mieri, Penllergaer, Swansea, SA4 9DL
Sold May 2016
£126,0001 Llys Mieri, Penllergaer, Swansea, SA4 9DL
Sold Dec 2015
£170,000
Versus other Llys Mieri homes
3 Llys Mieri outperforms the street on co₂ emissions by a wide margin.
Price per m²
£1,863
Street avg £1,925
Floor Area
73 m²
Street avg 91 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
1.6 t/year
Street avg 1.9 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Tircoed Turn — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







