What kind of home is 21 Sebastopol Street, SA1 8BN?

21 Sebastopol Street, SA1 8BN is a 3-bedroom mid-terrace house.

When did 21 Sebastopol Street, SA1 8BN last change hands?

21 Sebastopol Street, SA1 8BN last sold for £125,000 in November 2020, around 6 years ago. Before that, it sold for £35,500 in July 1995, so prices have been rising over 25 years on record. Source: HM Land Registry.

How has the value of 21 Sebastopol Street, SA1 8BN changed over time?

Across 2 sales between July 1995 and November 2020, 21 Sebastopol Street, SA1 8BN rose from £35,500 to £125,000, a change of £89,500. That works out to roughly +5.1% per year compounded over 25 years. Source: HM Land Registry.

What energy rating does 21 Sebastopol Street, SA1 8BN have?

The current EPC rating for 21 Sebastopol Street, SA1 8BN is D with a score of 67 out of 100, lodged in July 2020. The assessor estimates the property could reach a B. Source: EPC Register.

How big is 21 Sebastopol Street, SA1 8BN?

21 Sebastopol Street, SA1 8BN has a recorded floor area of 78 m² (840 sq ft), around 26 m² per bedroom. Source: EPC Register.

What heating system does 21 Sebastopol Street, SA1 8BN use?

The latest EPC at 21 Sebastopol Street, SA1 8BN records mains gas as the main heating fuel. Source: EPC Register.

What is the council tax band for 21 Sebastopol Street, SA1 8BN?

21 Sebastopol Street, SA1 8BN is in council tax band B. That sits at the lower end of the A-H ladder, typically reflecting smaller floor areas or lower 1991 valuations.

Which area is 21 Sebastopol Street, SA1 8BN in?

21 Sebastopol Street, SA1 8BN sits in St. Thomas, Swansea, Swansea. It falls within the SA1 postcode district.

What is crime like near 21 Sebastopol Street, SA1 8BN?

Police records around 21 Sebastopol Street, SA1 8BN 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 21 Sebastopol Street, SA1 8BN?

The closest bus stop to 21 Sebastopol Street, SA1 8BN is St Thomas Church, 80m away. In total there are 30 bus stops within the surrounding area.

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21 Sebastopol Street, St Thomas, Swansea, SA1 8BN

Estimated value

£160,000

Since the 2020 sale (£125,000)+28%
Against SA1 8BN's recent median (£128,000)+25%

Newest record on this page: September 2022. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation

Property type

Mid terrace

Bedrooms

Bathroom

Floor area

78 m²

840 sq ft

Energy rating

Score 67

Council tax

Band B

Tenure

Owner Occupied

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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

£160,000

Against its 2020 sale (£125,000)+28%
Against SA1 8BN's recent median (£128,000)+25%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 21 Sebastopol Street is modelled from its 78 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in SA1 8BN. 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
78 m² from the EPC lodged in July 2020
Sales of this home
2 sales recorded, the latest in 2020
Recent sales in SA1 8BN
5 sales, median £128,000 (2022–2018)

This page or the full report?

Data	This page	Full report
Sales	Latest sale shown: September 2022	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.

Sale price has grown by over 3x since 1995.

Sales timeline

30 November 2020Most recent
£125,000
+252.1%over 25 years
13 July 1995
£35,500

Median price across the last 5 sales in SA1 8BN: £128,000 (2022–2018).

Nearby sales in SA1 8BN

Risks

What this page doesn't show

2 potential issues have already been flagged for 21 Sebastopol Street, St Thomas, Swansea, SA1 8BN. 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 21 Sebastopol Street

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

21 Sebastopol Street is a three-bedroom mid-terrace house in St. Thomas, Swansea, Swansea (SA1 8BN). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (July 2020) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 86), a 2-band jump.

Across 1995–2020, sale prices on this property compounded at 5.1% per year. Today's modelled estimate of £160,000 is 28% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£149/sq ft) was about 64.7% above the typical sold price in the postcode. Most recent transfer: November 2020 at £125,000.

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

Bedrooms3
Bathrooms1
Open-plan layoutYes
Dining roomYes

Outside

DrivewayYes

Building

RefurbishedYes

Before you decide

Everything you need to know about 21 Sebastopol Street

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.

Recommended upgrades on file would lift this property by multiple EPC bands.

Current Certificate

Jul 2020

EPC Rating

D67

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Good

CO2 Emissions

2.9 t/year

Occupancy

Owner Occupied

Certificate validity

Valid until 29 July 2030

3 years remaining

Planning

Planning history

Applications and permits filed against 21 Sebastopol Street, St Thomas, Swansea, SA1 8BN, sourced from the PlanIt planning register.

21 Sebastopol Street has no planning applications on record.

But the area is active

47 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

On the street

Versus other Sebastopol Street homes

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

21 Sebastopol Street outperforms the street on price per m² by a wide margin.

Price per m²

£1,603

Street avg £1,109

Strongly above

Floor Area

78 m²

Street avg 89 m²

Below

Habitable Rooms

4 rooms

Street avg 5 rooms

Below

CO₂ Emissions

2.9 t/year

Street avg 4.4 t/year

Above

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

Crime

580/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

St Thomas Church — bus stop.

Nearest stops

St Thomas ChurchBus stop80m
St Thomas' ChurchBus stop92m
Cape HornerBus stop176m
St Thomas Community CentreBus stop205m

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.

Get a survey for this property

Level 3 Building Survey

Victorian-eraMid-Terrace HouseEPC DPre-1919 buildExtended multiple times (2+ extensions)

Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.

From £820 · Includes VAT

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.

£207k

1 Elmhurst Crescent, St Thomas

SA1 8EA

3 bed1 bath

£174k

1 Kilvey Terrace, St Thomas

SA1 8BA

2 bed

£147k

1 Balaclava Street, St Thomas

SA1 8BS

4 bed1 bath

£174k

1 Danygraig Road, Port Tennant

SA1 8LY

1 bed

£189k

1 Kinley Street, St Thomas

SA1 8HE

1 bed1 bath

£159k

1 Elba Crescent, Crymlyn Burrows

SA1 8QQ

£153k

1 Llys Hafan, Lamberts Road

SA1 8QH

£152k

1 Bay View, St Thomas

SA1 8BB

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Method

How to read this page

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 21 Sebastopol Street is modelled from its 78 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in SA1 8BN. 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. 2 sales are recorded for 21 Sebastopol Street. 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 21 Sebastopol Street was lodged in July 2020 at band D and is valid until July 2030. Floor area, heating and insulation details on this page come from it.
Planning records: Planning applications are collected from local authority registers through PlanIt. None is matched to 21 Sebastopol Street. 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 8BN.
Council tax band: 21 Sebastopol Street is in council tax band B. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 21 Sebastopol Street, St Thomas, Swansea, SA1 8BN. Each answer is also embedded as structured data for search engines.

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