5 Llys Mieri, Penllergaer, Swansea, SA4 9DL
About 5 Llys Mieri
5 Llys Mieri is a mid-terrace house in Penllergaer, Swansea, Swansea (SA4 9DL). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 2007-2011 and council tax band C. The latest certificate (September 2025) 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 Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 84).
A recent sale: £165,000 in December 2025. At 59 m² it sits well below the postcode median (90 m² across 13 EPCs), making it one of the more compact homes locally. Across 2012–2025, sale prices on this property compounded at 2.9% per year. On a £-per-square-foot basis, the last sale (£260/sq ft) was about 52.4% above the typical sold price in the postcode.
Energy performance
5 Llys Mieri's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 24 September 2035
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
5 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
£180,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.9% per year over 14 years.
£165,000
Growth on file: 2.9% per year over 14 years.
Sales timeline
3 December 2025Most recent
£165,000
+31.0%over 9 years12 May 2016
£126,000
+14.0%over 4 years31 January 2012
£110,495
Median price across the last 5 sales in SA4 9DL: £209,000 (2025–2015).
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
£231,0001 Llys Mieri, Penllergaer, Swansea, SA4 9DL
Sold Dec 2015
£170,0008 Llys Mieri, Penllergaer, Swansea, SA4 9DL
Sold Mar 2015
£115,000
Versus other Llys Mieri homes
Years Held for 5 Llys Mieri lags the street by a wide margin.
Price per m²
£2,797
Street avg £1,904
Floor Area
59 m²
Street avg 92 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
1.1 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.







