12 Marine Walk, Maritime Quarter, Swansea, SA1 1YQ
About 12 Marine Walk
12 Marine Walk is a mid-terrace house in Maritime Quarter, Swansea, Swansea (SA1 1YQ). It has a recorded floor area of 126 m² (around 1359 sq ft), construction records dating it to 1983-1990 and council tax band G. The latest certificate (December 2011) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 74). The latest certificate is from December 2011, so improvements made since then won't be reflected.
It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). Last changed hands 12 years ago, in January 2014. Across 2000–2014, sale prices on this property compounded at 4.1% per year. Today's modelled estimate of £435,000 is 33.8% above the 2014 sale price.
Everything you need to know about 12 Marine Walk
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
12 Marine Walk's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 12 Dec 2021
EPC Rating
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Planning history
12 Marine Walk has no planning applications on record.
But the area is active
7 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£435,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 14 years.
£325,000
Growth on file: 4.1% per year over 14 years.
Sales timeline
8 January 2014Most recent
£325,000
+75.7%over 13 years21 January 2000
£185,000
Median price across the last 5 sales in SA1 1YQ: £429,000 (2025–2023).
Nearby sales in SA1 1YQ
18 Marine Walk, Maritime Quarter, Swansea, SA1 1YQ
Sold Jul 2025
£500,0005 Marine Walk, Maritime Quarter, Swansea, SA1 1YQ
Sold Jun 2025
£392,50016 Marine Walk, Maritime Quarter, Swansea, SA1 1YQ
Sold Feb 2025
£429,00024 Marine Walk, Maritime Quarter, Swansea, SA1 1YQ
Sold Nov 2023
£445,0007 Marine Walk, Maritime Quarter, Swansea, SA1 1YQ
Sold Jul 2023
£400,000
Versus other Marine Walk homes
Price per m² for 12 Marine Walk lags the street by a wide margin.
Price per m²
£2,575
Street avg £3,132
Floor Area
126 m²
Street avg 131 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
4.7 t/year
Street avg 3.5 t/year
Everything you need to know about 12 Marine Walk
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

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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
Highmoor — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






