21 Sirius Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7GA
About 21 Sirius Apartments
21 Sirius Apartments is a one-bedroom end-of-terrace house in Pentrechwyth, Swansea, Swansea (SA1 7GA). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 2012 onwards and council tax band C. Tenure is freehold. The latest certificate (June 2024) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since April 2014. Between certificates, lighting went from Average to Very Good; while window efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 86). Main heating runs on electricity. At 38 m² this is the 8th smallest of 38 units on EPC record in the building, where floor areas span 34–81 m². The building's EPC ratings span D to B across 38 units on file. The home occupies a corner plot.
Across 2014–2024, sale prices on this property compounded at -1.9% per year. Today's modelled estimate of £104,000 is 24.6% above the 2024 sale price. Last sale on file: £83,500 in January 2024.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Outside
- Corner plotYes
Building
- TenureFreehold
- RefurbishedYes
Energy performance
21 Sirius Apartments's carbon output is low for the local stock.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
21 Sirius Apartments 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
21 Sirius Apartments saw 3 transfers in just over a decade — high turnover for the postcode.
£104,000
Modelled from EPC, postcode comparables and a sale-price growth of -1.9% per year over 10 years.
£83,500
Growth on file: -1.9% per year over 10 years.
Sales timeline
12 January 2024Most recent
£83,500
-15.7%over 3 years4 June 2020
£99,000
-1.0%over 6 years22 May 2014
£100,000
Median price across the last 5 sales in SA1 7GA: £92,000 (2025–2024).
Nearby sales in SA1 7GA
11 Sirius Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7GA
Sold Sept 2025
£85,00034 Sirius Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7GA
Sold Aug 2025
£150,0002 Sirius Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7GA
Sold Dec 2024
£92,0004 Sirius Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7GA
Sold Oct 2024
£90,00027 Sirius Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7GA
Sold Aug 2024
£95,000
Versus other Phoebe Road homes
On years held, 21 Sirius Apartments runs well behind the street norm.
Price per m²
£2,197
Street avg £2,411
Floor Area
38 m²
Street avg 49 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.1 t/year
Street avg 1.4 t/year
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
Morfa Retail Park — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







