Castle Buildings, Apartment 120, 32 Castle Street, Swansea, SA1 1JG
About Castle Buildings
Castle Buildings is an end-of-terrace house in Swansea (SA1 1JG). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1900-1929 and council tax band C. At 74 m² this is the 70th 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 (February 2019) shows an E (score 41), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 68). Main heating runs on electricity.
Untraded for 20 years, with the last transfer in January 2006. At 74 m² the property is well over the postcode median (47 m² across 72 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs). Today's modelled estimate of £139,000 is 32.4% above the 2006 sale price. On a £-per-square-foot basis, the last sale (£132/sq ft) was about 29.1% below the postcode norm.
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
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, 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 valuation sits well clear of the typical sold price in this postcode.
£139,000
Modelled from EPC, postcode comparables.
£105,000
Recorded with HM Land Registry.
Sales timeline
19 January 2006Most recent
£105,000
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
Castle Buildings is notably below the street on co₂ emissions.
Price per m²
£1,419
Street avg £1,909
Floor Area
74 m²
Street avg 48 m²
Habitable Rooms
1 rooms
Street avg 1 rooms
CO₂ Emissions
4.1 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.






