8 Llys Mieri, Penllergaer, Swansea, SA4 9DL
About 8 Llys Mieri
8 Llys Mieri is a mid-terrace house in Penllergaer, Swansea, Swansea (SA4 9DL). It has a recorded floor area of 62 m² (around 667 sq ft), construction records dating it to 2007-2011 and council tax band C. The latest certificate (December 2022) shows a C (score 80), 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 94), a 2-band jump.
At 62 m² it sits well below the postcode median (90 m² across 13 EPCs), making it one of the more compact homes locally. On the market in March 2015 and unlisted since — roughly 11 years. Across 2011–2015, sale prices on this property compounded at 0.5% per year. Today's modelled estimate of £171,000 is 48.7% above the 2015 sale price.
Energy performance
8 Llys Mieri's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 5 December 2032
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Wall insulation upgraded
More low energy lighting installed
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Planning history
8 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
£171,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.5% per year over 3 years.
£115,000
Growth on file: 0.5% per year over 3 years.
Sales timeline
30 March 2015Most recent
£115,000
+1.8%over 3 years26 October 2011
£112,995
Median price across the last 5 sales in SA4 9DL: £209,000 (2025–2017).
Nearby sales in SA4 9DL
5 Llys Mieri, Penllergaer, Swansea, SA4 9DL
Sold Dec 2025
£165,0007 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
£231,0001 Llys Mieri, Penllergaer, Swansea, SA4 9DL
Sold Dec 2015
£170,000
Versus other Llys Mieri homes
8 Llys Mieri outperforms the street on co₂ emissions by a wide margin.
Price per m²
£1,855
Street avg £1,976
Floor Area
62 m²
Street avg 92 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
1.2 t/year
Street avg 1.9 t/year
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The neighbourhood at a glance
Crime
160/mo
Falling 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.







