12 St Nicholas Square, Maritime Quarter, Swansea, SA1 1UG
About 12 St Nicholas Square
12 St Nicholas Square is a semi-detached house in Maritime Quarter, Swansea, Swansea (SA1 1UG). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1983-1990 and council tax band C. At 42 m² this is the 8th smallest of 23 units on EPC record in the building, where floor areas span 39–53 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (March 2019) shows a C (score 77), near the top of the C band.
Across 2000–2011, sale prices on this property compounded at 6.8% per year. Today's modelled estimate of £117,000 is 23.2% above the 2011 sale price. On a £-per-square-foot basis, the last sale (£210/sq ft) was about 21% above the typical sold price in the postcode. Last sold in November 2011, so it's been off the market for around 15 years.
Everything you need to know about 12 St Nicholas Square
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
12 St Nicholas Square's carbon output is low for the local stock.
EPC Rating
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Planning history
12 St Nicholas Square 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
12 St Nicholas Square has more than doubled in price since the earliest registered sale in 2000.
£117,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 11 years.
£95,000
Growth on file: 6.8% per year over 11 years.
Sales timeline
30 November 2011Most recent
£95,000
+113.5%over 11 years15 June 2000
£44,500
Median price across the last 5 sales in SA1 1UG: £90,000 (2024–2018).
Nearby sales in SA1 1UG
1 St Nicholas Square, Maritime Quarter, Swansea, SA1 1UG
Sold Dec 2024
£90,00014 St Nicholas Square, Maritime Quarter, Swansea, SA1 1UG
Sold Oct 2021
£85,0002 St Nicholas Square, Maritime Quarter, Swansea, SA1 1UG
Sold Dec 2018
£98,00025 St Nicholas Square, Maritime Quarter, Swansea, SA1 1UG
Sold Nov 2018
£120,00016 St Nicholas Square, Maritime Quarter, Swansea, SA1 1UG
Sold Apr 2017
£90,000
Versus other St Nicholas Square homes
CO₂ Emissions for 12 St Nicholas Square runs comfortably ahead of the street norm.
Price per m²
£2,262
Street avg £1,931
Floor Area
42 m²
Street avg 43 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.1 t/year
Street avg 1.5 t/year
Everything you need to know about 12 St Nicholas Square
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
Ferrara Square — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






