12 Llys Mieri, Penllergaer, Swansea, SA4 9DL
About 12 Llys Mieri
12 Llys Mieri is an end-of-terrace house in Penllergaer, Swansea, Swansea (SA4 9DL). It has a recorded floor area of 114 m² (around 1232 sq ft) and council tax band D. The latest certificate (March 2011) returns a B (score 82), comfortably above the UK average. The latest certificate is from March 2011, so improvements made since then won't be reflected.
Held since March 2011 — that's 15 years off the open market, well above the local norm. At 114 m² the property is well over the postcode median (75 m² across 13 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £254,000 sits 53.9% above the 2011 sale of £165,000. On a £-per-square-foot basis, the last sale (£134/sq ft) was about 21.9% below the postcode norm.
Energy performance
12 Llys Mieri'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This certificate is over 10 years old and is no longer valid.Expired 09 Mar 2021
EPC Rating
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Planning history
12 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
12 Llys Mieri valuation sits well clear of the typical sold price in this postcode.
£254,000
Modelled from EPC, postcode comparables.
£165,000
Recorded with HM Land Registry.
Sales timeline
30 March 2011Most recent
£165,000
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
Price per m² for 12 Llys Mieri lags the street by a wide margin.
Price per m²
£1,441
Street avg £1,957
Floor Area
114 m²
Street avg 88 m²
CO₂ Emissions
2.2 t/year
Street avg 1.9 t/year
Years Held
15 years
Street avg 11 years
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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.







