3 Grenfell Town, Bonymaen, Swansea, SA1 7AE
About 3 Grenfell Town
3 Grenfell Town is a mid-terrace house in Bonymaen, Swansea, Swansea (SA1 7AE). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (November 2024) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since March 2013. Between certificates, roof efficiency went from Poor to Very Good; while lighting dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 83), a 2-band jump.
At 103 m² the property is well over the postcode median (68 m² across 19 EPCs), placing it in the larger end of the local stock.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Roof insulation improved
Heating controls changed
Loft insulation upgraded to recommended levels
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
3 Grenfell Town has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
3 Grenfell Town has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£125,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SA1 7AE: £87,000 (2025–2022).
Nearby sales in SA1 7AE
9 Grenfell Town, Bonymaen, Swansea, SA1 7AE
Sold Jul 2025
£130,00019 Grenfell Town, Bonymaen, Swansea, SA1 7AE
Sold Oct 2024
£90,00026 Grenfell Town, Bonymaen, Swansea, SA1 7AE
Sold Aug 2024
£86,00017 Grenfell Town, Bonymaen, Swansea, SA1 7AE
Sold Nov 2023
£75,0002 Grenfell Town, Bonymaen, Swansea, SA1 7AE
Sold Feb 2022
£87,000
Versus other Grenfell Town homes
On floor area, 3 Grenfell Town stands well clear of the street.
EPC Rating
63 (D)
Street avg 60 (D)
Floor Area
103 m²
Street avg 67 m²
CO₂ Emissions
4.6 t/year
Street avg 3.4 t/year
Habitable Rooms
5 rooms
Street avg 4 rooms
Similar properties nearby
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Pentrechwyth Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







