Castle Buildings, Apartment 122, 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 51 m² (around 549 sq ft), construction records dating it to 2003-2006 and council tax band C. The latest certificate (July 2020) shows a C (score 76), near the top of the C band. When first surveyed in April 2009 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good and lighting went from Poor to Very Good; while main heating dropped from Poor to Very Poor. The recommended improvements would push it to B (score 86). Main heating runs on electricity. At 51 m² this is the 53rd 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.
Today's modelled estimate of £119,000 sits 58.7% above the 2013 sale of £75,000. On a £-per-square-foot basis, the last sale (£137/sq ft) was about 26.5% below the postcode norm. On the market in May 2013 and unlisted since — roughly 13 years.
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
Heating system changed
Hot water efficiency improved
Wall insulation upgraded
Hot water system changed
More low energy lighting installed
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
£119,000
Modelled from EPC, postcode comparables.
£75,000
Recorded with HM Land Registry.
Sales timeline
16 May 2013Most recent
£75,000
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
Price per m² for Castle Buildings lags the street by a wide margin.
Price per m²
£1,471
Street avg £1,907
Floor Area
51 m²
Street avg 48 m²
Habitable Rooms
1 rooms
Street avg 1 rooms
CO₂ Emissions
1.4 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.






