Model valuation£417,0008 Busby Close
Local market context
12 Neptune Apartments is a one-bedroom end-of-terrace house in Pentrechwyth, Swansea, Swansea (SA1 7FL). It has a recorded floor area of 38 m² (around 409 sq ft) and construction records dating it to 2007-2011. The latest certificate (March 2023) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (August 2012); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Good and hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 82). Main heating runs on electricity. At 38 m² this is the 13th smallest of 34 units on EPC record in the building, where floor areas span 33–81 m². The building's EPC ratings span E to B across 34 units on file. Other recorded features include a balcony and notable views.
Across 2007–2023, sale prices on this property compounded at -2.1% per year. Most recent transfer: September 2023 at £96,000.
12 Neptune Apartments's carbon output is low for the local stock.
Certificate validity
Valid until 22 March 2033
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
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
12 Neptune 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.
12 Neptune Apartments's sale-price growth has lagged the wider UK trajectory across its history on file.
£104,000
Modelled from EPC, postcode comparables and a sale-price growth of -2.1% per year over 16 years.
£96,000
Growth on file: -2.1% per year over 16 years.
3 September 2023Most recent
£96,000
-28.4%over 15 years12 December 2007
£133,995
Median price across the last 5 sales in SA1 7FL: £92,000 (2026–2025).
27 Neptune Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7FL
Sold Feb 2026
3 Neptune Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7FL
Sold Feb 2026
25 Neptune Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7FL
Sold Oct 2025
15 Neptune Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7FL
Sold Sept 2025
18 Neptune Apartments, Phoebe Road, Copper Quarter, Pentrechwyth, Swansea, SA1 7FL
Sold May 2025
Years Held for 12 Neptune Apartments lags the street by a wide margin.
Price per m²
£2,526
Street avg £2,470
Floor Area
38 m²
Street avg 44 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.3 t/year
Street avg 1.5 t/year
Property research, connected
Explore sale histories, valuations, energy ratings and local areas. Ask the assistant to connect the details and take your research further.
Start your researchSA1 7FD
SA1 7FD
SA1 7FL
SA1 7FH
SA1 7FW
SA1 7FL
SA1 7FX
SA1 7FH
Crime
580/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 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.