21 St Nicholas Square, Maritime Quarter, Swansea, SA1 1UG
About 21 St Nicholas Square
21 St Nicholas Square is a one-bedroom end-of-terrace 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 (July 2018) shows a C (score 71).
Untraded for 24 years, with the last transfer in March 2002. Across 1998–2002, sale prices on this property compounded at 12.5% per year. Today's modelled estimate of £111,000 sits 85% above the 2002 sale of £59,999. On a £-per-square-foot basis, the last sale (£133/sq ft) was about 25.9% below the postcode norm.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Everything you need to know about 21 St Nicholas Square
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Energy performance
EPC Rating
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Planning history
21 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
21 St Nicholas Square valuation sits well clear of the typical sold price in this postcode.
£111,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.5% per year over 4 years.
£59,999
Growth on file: 12.5% per year over 4 years.
Sales timeline
15 March 2002Most recent
£59,999
+57.9%over 3 years29 April 1998
£38,000
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
On price per m², 21 St Nicholas Square runs well behind the street norm.
Price per m²
£1,429
Street avg £1,975
Floor Area
42 m²
Street avg 43 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.6 t/year
Street avg 1.4 t/year
Everything you need to know about 21 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.






