Castle Buildings, Apartment 106, 32 Castle Street, Swansea, SA1 1JG
About Castle Buildings
Castle Buildings is a one-bedroom mid-terrace house in Swansea (SA1 1JG). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 2003-2006 and council tax band C. At 47 m² this is the 37th 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 53), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on electricity.
Held since January 2006 — that's 20 years off the open market, well above the local norm. It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs). Today's modelled estimate of £112,000 is 13.1% above the 2006 sale price.
What this property has
Inside
- Bedrooms1
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 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
£112,000
Modelled from EPC, postcode comparables.
£99,000
Recorded with HM Land Registry.
Sales timeline
11 January 2006Most recent
£99,000
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 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
£70,000
Versus other Castle Street homes
On years held, Castle Buildings stands well clear of the street.
Price per m²
£2,106
Street avg £1,893
Floor Area
47 m²
Street avg 48 m²
Habitable Rooms
1 rooms
Street avg 1 rooms
CO₂ Emissions
2.6 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
The data behind every report
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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.