21 Glynhir Road, Pontarddulais, Swansea, SA4 8LY
About 21 Glynhir Road
21 Glynhir Road is a semi-detached house in Pontarddulais, Swansea, Swansea (SA4 8LY). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (August 2025) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2022. Between certificates, lighting went from Very Poor to Good; while window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 79).
Today's modelled estimate of £145,000 is 12.1% below the 2022 sale of £165,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£163/sq ft) was about 35.2% above the typical sold price in the postcode. Last sale on file: £165,000 in October 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
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Planning history
21 Glynhir Road 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£145,000
Modelled from EPC, postcode comparables.
£165,000
Recorded with HM Land Registry.
Sales timeline
27 October 2022Most recent
£165,000
Median price across the last 5 sales in SA4 8LY: £170,000 (2025–2020).
Nearby sales in SA4 8LY
15 Glynhir Road, Pontarddulais, Swansea, SA4 8LY
Sold Jun 2025
£156,00010 Glynhir Road, Pontarddulais, Swansea, SA4 8LY
Sold Aug 2024
£340,00016 Glynhir Road, Pontarddulais, Swansea, SA4 8LY
Sold Mar 2023
£148,0006a, Glynhir Road, Pontarddulais, Swansea, SA4 8LY
Sold Nov 2021
£170,0002 Glynhir Road, Pontarddulais, Swansea, SA4 8LY
Sold May 2020
£115,000
Versus other Glynhir Road homes
Habitable Rooms for 21 Glynhir Road lags the street by a wide margin.
Price per m²
£1,755
Street avg £1,683
Floor Area
94 m²
Street avg 96 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.5 t/year
Street avg 4.2 t/year
Similar properties nearby
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Upper Mill Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







