What kind of home is 15 20, Apartment 20, Castle Street, SA1 1JF?

15 20, Apartment 20, Castle Street, SA1 1JF is a detached house.

What was the last sold price for 15 20, Apartment 20, Castle Street, SA1 1JF?

15 20, Apartment 20, Castle Street, SA1 1JF last sold for £295,000 in February 2020, around 6 years ago. Source: HM Land Registry.

What energy rating does 15 20, Apartment 20, Castle Street, SA1 1JF have?

The current EPC rating for 15 20, Apartment 20, Castle Street, SA1 1JF is D with a score of 61 out of 100, lodged in June 2021. It has dropped from a C recorded in June 2021. Source: EPC Register.

How big is 15 20, Apartment 20, Castle Street, SA1 1JF?

15 20, Apartment 20, Castle Street, SA1 1JF has a recorded floor area of 62 m² (667 sq ft). Source: EPC Register.

What heating system does 15 20, Apartment 20, Castle Street, SA1 1JF use?

The latest EPC at 15 20, Apartment 20, Castle Street, SA1 1JF records electricity: electricity, unspecified tariff as the main heating fuel. Source: EPC Register.

Which area is 15 20, Apartment 20, Castle Street, SA1 1JF in?

15 20, Apartment 20, Castle Street, SA1 1JF sits in Swansea. It falls within the SA1 postcode district.

Is 15 20, Apartment 20, Castle Street, SA1 1JF in a safe area?

Police records around 15 20, Apartment 20, Castle Street, SA1 1JF 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 15 20, Apartment 20, Castle Street, SA1 1JF?

The closest bus stop to 15 20, Apartment 20, Castle Street, SA1 1JF is High Street 1, 94m away. The nearest rail option is Swansea Rail Station, 449m away.

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15 20, Apartment 20, Castle Street, Swansea, SA1 1JF

Estimated value

£168,000

Since the 2020 sale (£295,000)-43%

Newest record on this page: June 2021. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation

Property type

Detached

Floor 3

Floor area

62 m²

667 sq ft

Energy rating

Score 61

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Valuation

About this valuation

How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.

Our estimate

£168,000

Against its 2020 sale (£295,000)-43%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 15 20 is modelled from its 62 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in SA1 1JF. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.

What it's based on

Floor area
62 m² from the EPC lodged in June 2021
Sales of this home
1 sale recorded, the latest in 2020
Recent sales in SA1 1JF
No recent sales of other homes in the postcode

This page or the full report?

Data	This page	Full report
Sales	Latest sale shown: February 2020	Latest available records, read when you order
Valuation	Estimate from the last refresh	Analysed against comparable sales
Planning	None on this home	Full history, plus nearby schemes
Flood risk	Not shown	Included

Price

Sales history & valuation

Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.

The latest sale landed in the post-pandemic price surge — useful context when reading the figure.

Sales timeline

25 February 2020Most recent
£295,000

Risks

What this page doesn't show

2 potential issues have already been flagged for 15 20, Apartment 20, Castle Street, Swansea, SA1 1JF. The detail, evidence and what to ask about it are in the Risks Report.

Signs of HMO activity in the areaIn report
Larger development activity nearbyIn report
Flood risk from rivers, sea and surface waterIn report
Subsidence and ground-stability signalsIn report
Refusals, enforcement and big schemes nearbyIn report

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Overview

About 15 20

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

15 20 is a detached house in Swansea (SA1 1JF). It has a recorded floor area of 62 m² (around 667 sq ft) and construction records dating it to 2021. At 62 m² this is the 10th smallest of 22 units on EPC record in 15 20, where floor areas span 42–86 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (61 versus a best of 72). The latest certificate (June 2021) shows a D (score 61), on the cusp of jumping into the C band. Earlier certificates rated it C (June 2021); the latest reading is one band lower. Main heating runs on electricity: electricity, unspecified tariff.

Today's modelled estimate of £168,000 is 43.1% below the 2020 sale of £295,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. Most recent transfer: February 2020 at £295,000.

Before you decide

Everything you need to know about 15 20

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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The data behind every report

Energy

Energy performance

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

Current Certificate(1 of 2)

Jun 2021

EPC Rating

D61

Main Heating

Electric

Main Fuel

Electric

Hot Water

Very Poor

Windows

Very Good

CO2 Emissions

2.5 t/year

Occupancy

—

Certificate validity

Valid until 27 June 2031

4 years remaining

Planning

Planning history

Applications and permits filed against 15 20, Apartment 20, Castle Street, Swansea, SA1 1JF, sourced from the PlanIt planning register.

15 20 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.

On the street

Versus other Castle Street homes

Three headline reads against 21 similar flats on this street, drawn from the latest EPC and Land Registry data.

15 20 is notably below the street on epc rating.

EPC Rating

61 (D)

Street avg 66 (D)

Strongly below

Floor Area

62 m²

Street avg 59 m²

On par

CO₂ Emissions

2.5 t/year

Street avg 2.2 t/year

Below

Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Swansea district page.

Full Swansea report

Rail-style transport is unusually close for this postcode.

Crime

580/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

High Street 1 — bus stop.

Nearest stops

High Street 1Bus stop94m
Castle SquareBus stop126m
KingswayBus stop135m
High Street 3Bus stop141m

Most reported crime locally

Violence & Sexual Offences3,276 reports35%
Anti-social Behaviour1,210 reports13%
Shoplifting1,135 reports12%
Public Order981 reports11%

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

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21st century3rd Floor FlatEPC D

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Comparables

Where every figure above comes from, how current it is and what it can't tell you.

Valuation method in detail

How the estimate is made: The estimate for 15 20 is modelled from its 62 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in SA1 1JF. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Where sold prices come from: Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 1 sale is recorded for 15 20. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
Reading the EPC: Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 15 20 was lodged in June 2021 at band D and is valid until June 2031. 2 certificates are on record, which shows how the home has changed.
Planning records: Planning applications are collected from local authority registers through PlanIt. None is matched to 15 20. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
Area figures: Crime is police-recorded street-level data over the last 16 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from SA1 1JF.

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 15 20, Apartment 20, Castle Street, Swansea, SA1 1JF. Each answer is also embedded as structured data for search engines.

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15 20, Apartment 20, Castle Street, Swansea, SA1 1JF

How the estimate is made

What it's based on

This page or the full report?

Sales timeline

Everything you need to know about 15 20

EPC Rating

Nearest stops

Most reported crime locally

Level 2 HomeBuyer Report

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