What type of property is 12 Gwynne Terrace, SA1 8HP?

12 Gwynne Terrace, SA1 8HP is a mid-terrace house.

When did 12 Gwynne Terrace, SA1 8HP last change hands?

12 Gwynne Terrace, SA1 8HP last sold for £146,000 in September 2025. Before that, it sold for £105,000 in August 2007, so prices have been rising over 18 years on record. Source: HM Land Registry.

How has the value of 12 Gwynne Terrace, SA1 8HP changed over time?

Across 2 sales between August 2007 and September 2025, 12 Gwynne Terrace, SA1 8HP rose from £105,000 to £146,000, a change of £41,000. That works out to roughly +1.8% per year compounded over 18 years. Source: HM Land Registry.

What energy rating does 12 Gwynne Terrace, SA1 8HP have?

The current EPC rating for 12 Gwynne Terrace, SA1 8HP is C with a score of 69 out of 100, lodged in March 2025. The assessor estimates the property could reach a B. Source: EPC Register.

What is the floor area of 12 Gwynne Terrace, SA1 8HP?

12 Gwynne Terrace, SA1 8HP has a recorded floor area of 68 m² (732 sq ft). Source: EPC Register.

How is 12 Gwynne Terrace, SA1 8HP heated?

The latest EPC at 12 Gwynne Terrace, SA1 8HP records mains gas as the main heating fuel. Source: EPC Register.

What council tax band is 12 Gwynne Terrace, SA1 8HP?

12 Gwynne Terrace, SA1 8HP is in council tax band A. That sits at the lower end of the A-H ladder, typically reflecting smaller floor areas or lower 1991 valuations.

Where is 12 Gwynne Terrace, SA1 8HP located?

12 Gwynne Terrace, SA1 8HP sits in St. Thomas, Swansea, Swansea. It falls within the SA1 postcode district.

What is crime like near 12 Gwynne Terrace, SA1 8HP?

Police records around 12 Gwynne Terrace, SA1 8HP show an average of 3 reported crimes per month over the last 11 months. Violent crime makes up roughly 35% of reports, the most common category. The overall trend is broadly stable. Source: Police UK.

What is the nearest station to 12 Gwynne Terrace, SA1 8HP?

The closest bus stop to 12 Gwynne Terrace, SA1 8HP is Jersey Park, 73m away. In total there are 30 bus stops within the surrounding area.

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12 Gwynne Terrace, St Thomas, Swansea, SA1 8HP

Property type

Mid terrace

Habitable rooms

From EPC

Floor area

68 m²

732 sq ft

Energy rating

Score 69

Council tax

Band A

Tenure

Owner Occupied

Overview

About 12 Gwynne Terrace

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

12 Gwynne Terrace is a mid-terrace house in St. Thomas, Swansea, Swansea (SA1 8HP). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (March 2025) shows a C (score 69), just inside the C band. The recommended improvements would push it to B (score 87).

Most recent transfer was September 2025 at £146,000 — fresh data. Across 2007–2025, sale prices on this property compounded at 1.8% per year. On a £-per-square-foot basis, the last sale (£199/sq ft) was about 64.2% above the typical sold price in the postcode.

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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.

EPC Rating

C69

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Average

CO2 Emissions

2.4 t/year

Occupancy

Owner Occupied

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Level 2 HomeBuyer Report

Early 20th centuryMid-Terrace HouseEPC C

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Planning

Planning history

Applications and permits filed against 12 Gwynne Terrace, St Thomas, Swansea, SA1 8HP, sourced from the PlanIt planning register.

12 Gwynne Terrace has no planning applications on record.

But the area is active

53 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.

12 Gwynne Terrace valuation sits well clear of the typical sold price in this postcode.

Current estimate

£149,000

Modelled from EPC, postcode comparables and a sale-price growth of 1.8% per year over 18 years.

See how we calculated this

Last sold (2025)

£146,000

Growth on file: 1.8% per year over 18 years.

Sales timeline

24 September 2025Most recent
£146,000
+39.0%over 18 years
9 August 2007
£105,000

Median price across the last 5 sales in SA1 8HP: £33,000 (2023–1997).

Nearby sales in SA1 8HP

On the street

Versus other Gwynne Terrace homes

Four headline reads against 7 similar houses on this street, drawn from the latest EPC and Land Registry data.

On price per m², 12 Gwynne Terrace stands well clear of the street.

Price per m²

£2,147

Street avg £1,202

Strongly above

Floor Area

68 m²

Street avg 66 m²

Strongly above

Habitable Rooms

3 rooms

Street avg 4 rooms

Strongly below

CO₂ Emissions

2.4 t/year

Street avg 2.4 t/year

On par

Before you decide

Everything you need to know about 12 Gwynne Terrace

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 · every report is £14.99

One time fee only - money back guarantee

The data behind every report

Comparables

Similar properties nearby

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

£148k

1 Balaclava Street, St Thomas

SA1 8BS

4 bed1 bath

£154k

1 Beaumont Crescent, St Thomas

SA1 8DW

£143k

1 Bay Street, Port Tennant

SA1 8LB

£139k

1 George Powell House, Balaclava Street, St Thomas

SA1 8BR

£164k

1 Llys Hafan, Lamberts Road

SA1 8QH

£169k

1 Danygraig Road, Port Tennant

SA1 8LY

1 bed

£131k

1 Grenfell Park Road, St Thomas

SA1 8EY

£172k

1 Bay View, St Thomas

SA1 8BB

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

3/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Jersey Park — 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 12 Gwynne Terrace, St Thomas, Swansea, SA1 8HP. Each answer is also embedded as structured data for search engines.