Model valuation£417,0008 Busby Close
Local market context
18 Sirius Apartments is a one-bedroom mid-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. The latest certificate (June 2024) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (March 2014); the latest reading is one band lower. 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 87). 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. Other recorded features include a balcony.
Across 2014–2018, sale prices on this property compounded at -3.7% per year. Today's modelled estimate of £106,000 is 21.8% above the 2018 sale price. Last sale on file: £87,000 in December 2018.
18 Sirius Apartments's carbon output is low for the local stock.
Certificate validity
Valid until 26 June 2034
Get a survey for this property
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
18 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.
£106,000
Modelled from EPC, postcode comparables and a sale-price growth of -3.7% per year over 5 years.
£87,000
Growth on file: -3.7% per year over 5 years.
14 December 2018Most recent
£87,000
-15.9%over 4 years28 May 2014
£103,500
Median price across the last 5 sales in SA1 7GA: £92,000 (2025–2024).
25 Sirius Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7GA
Sold Dec 2025
11 Sirius Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7GA
Sold Sept 2025
34 Sirius Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7GA
Sold Aug 2025
2 Sirius Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7GA
Sold Dec 2024
4 Sirius Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7GA
Sold Oct 2024
On co₂ emissions, 18 Sirius Apartments stands well clear of the street.
Price per m²
£2,289
Street avg £2,409
Floor Area
38 m²
Street avg 49 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.0 t/year
Street avg 1.4 t/year
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Crime
580/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.