Castle Buildings, Apartment 303, 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 43 m² (around 463 sq ft), construction records dating it to 1900-1929 and council tax band C. At 43 m² this is the 21st 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, with this unit at the bottom. The latest certificate (April 2023) shows an E (score 44), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 84), a 3-band jump. Main heating runs on electricity.
Across 2006–2023, sale prices on this property compounded at -4.2% per year. Today's modelled estimate of £118,000 sits 174.4% above the 2023 sale of £43,000. On a £-per-square-foot basis, the last sale (£93/sq ft) was about 49.9% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs). Most recent transfer: May 2023 at £43,000.
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
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and 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
Latest sale on Castle Buildings was the lowest on Land Registry record across the postcode.
£118,000
Modelled from EPC, postcode comparables and a sale-price growth of -4.2% per year over 17 years.
£43,000
Growth on file: -4.2% per year over 17 years.
Sales timeline
17 May 2023Most recent
£43,000
-53.5%over 16 years1 February 2007
£92,500
+2.8%over 9 months20 April 2006
£90,000
Median price across the last 5 sales in SA1 1JG: £84,500 (2025–2022).
Nearby sales in SA1 1JG
Castle Buildings, Apartment 322, 32 Castle Street, Swansea, SA1 1JG
Sold Aug 2025
£85,000Castle 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
On price per m², Castle Buildings runs well behind the street norm.
Price per m²
£1,000
Street avg £1,918
Floor Area
43 m²
Street avg 48 m²
Habitable Rooms
1 rooms
Street avg 1 rooms
CO₂ Emissions
2.9 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.






