Castle Buildings, Apartment 322, 32 Castle Street, Swansea, SA1 1JG
About Castle Buildings
Castle Buildings is a mid-terrace house in Swansea (SA1 1JG). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 2007-2011 and council tax band C. At 49 m² this is the 45th smallest of 73 units on EPC record in Castle Buildings, where floor areas span 32–96 m². The building's EPC ratings span E to B across 73 units on file. The latest certificate (September 2022) shows a C (score 80), near the top of the C band. The rating has held steady at C across 2 certificates since June 2012. The recommended improvements would push it to B (score 88). Main heating runs on electricity.
A recent sale: £85,000 in August 2025. Across 2006–2025, sale prices on this property compounded at -1.3% per year. Today's modelled estimate of £118,000 is 38.8% above the 2025 sale price.
Everything you need to know about Castle Buildings
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Castle Buildings's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation upgraded
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
Castle Buildings 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
Castle Buildings'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 -1.3% per year over 19 years.
£85,000
Growth on file: -1.3% per year over 19 years.
Sales timeline
28 August 2025Most recent
£85,000
-13.3%over 2 years13 December 2022
£98,000
-10.9%over 16 years18 April 2006
£110,000
Median price across the last 5 sales in SA1 1JG: £61,000 (2023–2021).
Nearby sales in SA1 1JG
Castle Buildings, Apartment 303, 32 Castle Street, Swansea, SA1 1JG
Sold May 2023
£43,000Castle Buildings, Apartment 204, 32 Castle Street, Swansea, SA1 1JG
Sold Dec 2022
£84,500Castle Buildings, Apartment 323, 32 Castle Street, Swansea, SA1 1JG
Sold Jul 2022
£52,000Castle Buildings, Apartment 112, 32 Castle Street, Swansea, SA1 1JG
Sold Jun 2022
£70,000Castle Buildings, Apartment 308, 32 Castle Street, Swansea, SA1 1JG
Sold Jun 2021
£61,000
Versus other Castle Street homes
Castle Buildings is notably below the street on years held.
Price per m²
£1,735
Street avg £1,901
Floor Area
49 m²
Street avg 48 m²
Habitable Rooms
1 rooms
Street avg 1 rooms
CO₂ Emissions
1.2 t/year
Street avg 1.8 t/year
Everything you need to know about Castle Buildings
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
Rail-style transport is unusually close for this postcode.
Crime
3/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.






