What type of property is Castle Buildings, Apartment 507, 32 Castle Street, SA1 1JH?

Castle Buildings, Apartment 507, 32 Castle Street, SA1 1JH is a 1-bedroom mid-terrace house.

What was the last sold price for Castle Buildings, Apartment 507, 32 Castle Street, SA1 1JH?

Castle Buildings, Apartment 507, 32 Castle Street, SA1 1JH last sold for £54,000 in January 2026. Before that, it sold for £97,500 in June 2007, so prices have been falling over 19 years on record. Source: HM Land Registry.

How has the value of Castle Buildings, Apartment 507, 32 Castle Street, SA1 1JH changed over time?

Across 2 sales between June 2007 and January 2026, Castle Buildings, Apartment 507, 32 Castle Street, SA1 1JH fell from £97,500 to £54,000, a change of £43,500. That works out to roughly -3.1% per year compounded over 19 years. Source: HM Land Registry.

What energy rating does Castle Buildings, Apartment 507, 32 Castle Street, SA1 1JH have?

The current EPC rating for Castle Buildings, Apartment 507, 32 Castle Street, SA1 1JH is C with a score of 76 out of 100, lodged in December 2018. The assessor estimates the property could reach a B. Source: EPC Register.

What is the floor area of Castle Buildings, Apartment 507, 32 Castle Street, SA1 1JH?

Castle Buildings, Apartment 507, 32 Castle Street, SA1 1JH has a recorded floor area of 39 m² (420 sq ft), around 39 m² per bedroom. That makes it about 22% smaller than the median EPC-recorded property in SA1 1JH. Source: EPC Register.

How is Castle Buildings, Apartment 507, 32 Castle Street, SA1 1JH heated?

The latest EPC at Castle Buildings, Apartment 507, 32 Castle Street, SA1 1JH records electricity as the main heating fuel. Source: EPC Register.

What council tax band is Castle Buildings, Apartment 507, 32 Castle Street, SA1 1JH?

Castle Buildings, Apartment 507, 32 Castle Street, SA1 1JH is in council tax band C.

Where is Castle Buildings, Apartment 507, 32 Castle Street, SA1 1JH located?

Castle Buildings, Apartment 507, 32 Castle Street, SA1 1JH sits in Swansea. It falls within the SA1 postcode district.

Is Castle Buildings, Apartment 507, 32 Castle Street, SA1 1JH in a safe area?

Police records around Castle Buildings, Apartment 507, 32 Castle Street, SA1 1JH show an average of 580 reported crimes per month over the last 16 months. Violent crime makes up roughly 35% of reports, the most common category. The overall trend is broadly stable. Source: Police UK.

What transport links are near Castle Buildings, Apartment 507, 32 Castle Street, SA1 1JH?

The closest bus stop to Castle Buildings, Apartment 507, 32 Castle Street, SA1 1JH is High Street 1, 107m away. The nearest rail option is Swansea Rail Station, 449m away.

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Castle Buildings, Apartment 507, 32 Castle Street, Swansea, SA1 1JH

Extendable

Property type

Mid terrace

Floor 4th

Bedroom

Bathroom

Floor area

39 m²

420 sq ft

Energy rating

Score 76

Council tax

Band C

Tenure

Owner Occupied

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Overview

About Castle Buildings

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

Castle Buildings is a one-bedroom mid-terrace house in Swansea (SA1 1JH). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to 2007 onwards and council tax band C. At 39 m² this is the 6th smallest of 29 units on EPC record in Castle Buildings, where floor areas span 36–80 m². The building's EPC ratings span E to B across 29 units on file. Our model identifies extension potential, subject to local planning policy. The latest certificate (December 2018) shows a C (score 76), near the top of the C band. The recommended improvements would push it to B (score 87). Main heating runs on electricity.

Across 2007–2026, sale prices on this property compounded at -3.1% per year. Today's modelled estimate of £107,000 sits 98.1% above the 2026 sale of £54,000. On a £-per-square-foot basis, the last sale (£129/sq ft) was about 39.3% below the postcode norm. A recent sale: £54,000 in January 2026. At 39 m² it's 23.5% smaller than the typical home in the postcode (51 m² median across 28 EPCs).

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

Bedrooms1
Bathrooms1
Open-plan layoutYes

Outside

ParkingYes

Building

Extension potentialPossible

Before you decide

Everything you need to know about Castle Buildings

The true value, the hidden risks and the full sale history, in one report.

Signs of HMO activity in the areaLarger development activity nearby

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Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

Castle Buildings's carbon output is low for the local stock.

Current Certificate

Dec 2018

EPC Rating

C76

Main Heating

Electric

Main Fuel

Electric

Hot Water

Very Poor

Windows

Good

CO2 Emissions

1.2 t/year

Occupancy

Owner Occupied

Certificate validity

Valid until 10 December 2028

2 years remaining

Get a survey for this property

Level 3 Building Survey

21st centuryMid Floor FlatEPC CNo mains gas

Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.

From £820 · Includes VAT

Planning

Planning history

Applications and permits filed against Castle Buildings, Apartment 507, 32 Castle Street, Swansea, SA1 1JH, sourced from the PlanIt planning register.

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.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

Castle Buildings's sale-price growth has lagged the wider UK trajectory across its history on file.

Current estimate

£107,000

Modelled from EPC, postcode comparables and a sale-price growth of -3.1% per year over 19 years.

See how we calculated this

Last sold (2026)

£54,000

Growth on file: -3.1% per year over 19 years.

Sales timeline

23 January 2026Most recent
£54,000
-44.6%over 18 years
4 June 2007
£97,500

Median price across the last 5 sales in SA1 1JH: £76,000 (2025–2015).

Nearby sales in SA1 1JH

On the street

Versus other Castle Street homes

Four headline reads against 28 similar flats on this street, drawn from the latest EPC and Land Registry data.

On years held, Castle Buildings runs well behind the street norm.

Price per m²

£1,385

Street avg £2,231

Strongly below

Floor Area

39 m²

Street avg 52 m²

Strongly below

Habitable Rooms

1 rooms

Street avg 2 rooms

Below

CO₂ Emissions

1.2 t/year

Street avg 1.8 t/year

Strongly above

Before you decide

Everything you need to know about Castle Buildings

The true value, the hidden risks and the full sale history, in one report.

Signs of HMO activity in the areaLarger development activity nearby

Pick your report · from £14.99

One time fee only - money back guarantee

The data behind every report

Comparables

Similar properties nearby

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.

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about Castle Buildings, Apartment 507, 32 Castle Street, Swansea, SA1 1JH. Each answer is also embedded as structured data for search engines.