6 Castle Lofts, Castle Street, Swansea, SA1 1HF
About 6 Castle Lofts
6 Castle Lofts is a one-bedroom mid-terrace house in Swansea (SA1 1HF). It has a recorded floor area of 72 m² (around 775 sq ft) and construction records dating it to 2003-2006. The latest certificate (October 2022) shows a C (score 75), near the top of the C band. The rating has held steady at C across 2 certificates since May 2012. Between certificates, roof efficiency went from Average to Good; while lighting dropped from Very Good to Very Poor. At 72 m² this is the 4th smallest of 8 units on EPC record in the building, where floor areas span 55–104 m². The building's EPC ratings span D to B across 8 units on file.
Most recent transfer: January 2023 at £80,000. Across the public record there are 4 sales, relatively high churn for a single property. Across 2002–2023, sale prices on this property compounded at -0.6% per year. Today's modelled estimate of £118,000 is 47.5% above the 2023 sale price.
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Open-plan layoutYes
Outside
- Private gardenYes
- ParkingYes
Everything you need to know about 6 Castle Lofts
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Energy performance
EPC Rating
Certificate validity
Valid until 26 October 2032
Property Improvements
Changes detected from historical EPC data
Wall insulation upgraded
Roof insulation improved
Low energy lighting percentage decreased
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Planning history
6 Castle Lofts 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
6 Castle Lofts's sale-price growth has lagged the wider UK trajectory across its history on file.
£118,000
Modelled from EPC, postcode comparables and a sale-price growth of -0.6% per year over 20 years.
£80,000
Growth on file: -0.6% per year over 20 years.
Sales timeline
25 January 2023Most recent
£80,000
-25.2%over 15 years25 October 2007
£107,000
-2.7%over 4 years17 June 2003
£110,000
+22.2%over 7 months11 November 2002
£90,000
Median price across the last 5 sales in SA1 1HF: £100,000 (2020–2006).
Nearby sales in SA1 1HF
1 Castle Lofts, Castle Street, Swansea, SA1 1HF
Sold Sept 2020
£100,0008 Castle Lofts, Castle Street, Swansea, SA1 1HF
Sold Jun 2018
£60,0005 Castle Lofts, Castle Street, Swansea, SA1 1HF
Sold May 2010
£72,0004 Castle Lofts, Castle Street, Swansea, SA1 1HF
Sold Oct 2007
£108,0003 Castle Lofts, Castle Street, Swansea, SA1 1HF
Sold Mar 2005
£100,000
Versus other Castle Street homes
On years held, 6 Castle Lofts runs well behind the street norm.
Price per m²
£1,111
Street avg £1,202
Floor Area
72 m²
Street avg 76 m²
Habitable Rooms
1 rooms
Street avg 2 rooms
CO₂ Emissions
1.8 t/year
Street avg 2.1 t/year
Everything you need to know about 6 Castle Lofts
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
580/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
High Street 1 — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






