4 Cork House, Mannheim Quay, Maritime Quarter, Swansea, SA1 1RT
About 4 Cork House
4 Cork House is an end-of-terrace house in Maritime Quarter, Swansea, Swansea (SA1 1RT). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1996-2002 and council tax band E. At 58 m² this is the 2nd smallest of 5 units on EPC record in 4 Cork House, where floor areas span 57–72 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (February 2019) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since November 2008. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Poor to Average and main heating went from Poor to Average. The recommended improvements would push it to B (score 83). Main heating runs on electricity.
A recent sale: £163,000 in February 2026. Across 1999–2026, sale prices on this property compounded at 2.9% per year. On a £-per-square-foot basis, the last sale (£261/sq ft) was about 47.3% above the typical sold price in the postcode.
Everything you need to know about 4 Cork House
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Certificate validity
Valid until 20 February 2029
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Window efficiency improved
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
4 Cork House 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
Sale price has at least doubled since 1999.
£164,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.9% per year over 26 years.
£163,000
Growth on file: 2.9% per year over 26 years.
Sales timeline
25 February 2026Most recent
£163,000
-3.0%over 16 years26 July 2009
£168,000
+118.2%over 9 years2 December 1999
£77,000
Median price across the last 5 sales in SA1 1RT: £152,500 (2026–2024).
Nearby sales in SA1 1RT
16 Cork House, Mannheim Quay, Maritime Quarter, Swansea, SA1 1RT
Sold Mar 2026
£165,00032 Cork House, Mannheim Quay, Maritime Quarter, Swansea, SA1 1RT
Sold Dec 2025
£155,00043 Cork House, Mannheim Quay, Maritime Quarter, Swansea, SA1 1RT
Sold Nov 2025
£137,50024 Cork House, Mannheim Quay, Maritime Quarter, Swansea, SA1 1RT
Sold Sept 2025
£150,00035 Cork House, Mannheim Quay, Maritime Quarter, Swansea, SA1 1RT
Sold Nov 2024
£152,500
Versus other Mannheim Quay homes
4 Cork House is notably below the street on years held.
Price per m²
£2,810
Street avg £2,334
Floor Area
58 m²
Street avg 64 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.2 t/year
Street avg 2.5 t/year
Everything you need to know about 4 Cork House
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee

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The neighbourhood at a glance
Crime
580/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Swansea Environment Centre — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






