What kind of home is 12 Heol Y Twyn, SA4 9EU?

12 Heol Y Twyn, SA4 9EU is a semi-detached house.

When did 12 Heol Y Twyn, SA4 9EU last change hands?

12 Heol Y Twyn, SA4 9EU last sold for £145,000 in July 2021, around 5 years ago. Source: HM Land Registry.

How energy efficient is 12 Heol Y Twyn, SA4 9EU?

The current EPC rating for 12 Heol Y Twyn, SA4 9EU is D with a score of 67 out of 100, lodged in July 2021. The assessor estimates the property could reach a B. Source: EPC Register.

How big is 12 Heol Y Twyn, SA4 9EU?

12 Heol Y Twyn, SA4 9EU has a recorded floor area of 80 m² (861 sq ft). That makes it about 17% larger than the median EPC-recorded property in SA4 9EU. Source: EPC Register.

What heating system does 12 Heol Y Twyn, SA4 9EU use?

The latest EPC at 12 Heol Y Twyn, SA4 9EU records mains gas as the main heating fuel. Source: EPC Register.

What is the council tax band for 12 Heol Y Twyn, SA4 9EU?

12 Heol Y Twyn, SA4 9EU is in council tax band C.

Which area is 12 Heol Y Twyn, SA4 9EU in?

12 Heol Y Twyn, SA4 9EU sits in Pontlliw, Swansea, Swansea. It falls within the SA4 postcode district.

How safe is the area around 12 Heol Y Twyn, SA4 9EU?

Police records around 12 Heol Y Twyn, SA4 9EU show an average of 2 reported crimes per month over the last 8 months. Violent crime makes up roughly 67% of reports, the most common category. The overall trend is broadly stable. Source: Police UK.

How well connected is 12 Heol Y Twyn, SA4 9EU?

The closest bus stop to 12 Heol Y Twyn, SA4 9EU is Post Office, 95m away. In total there are 30 bus stops within the surrounding area.

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12 Heol Y Twyn, Pontlliw, Swansea, SA4 9EU

Property type

Semi-detached

Habitable rooms

From EPC

Floor area

80 m²

861 sq ft

Energy rating

Score 67

Council tax

Band C

Tenure

Owner Occupied

Overview

About 12 Heol Y Twyn

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

12 Heol Y Twyn is a semi-detached house in Pontlliw, Swansea, Swansea (SA4 9EU). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (July 2021) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 83), a 2-band jump.

At 80 m² it's 17.5% larger than the typical home in the postcode (68 m² median across 28 EPCs). Today's modelled estimate of £186,000 is 28.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£168/sq ft) was about 30.5% above the typical sold price in the postcode. Sold July 2021 for £145,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.

Before you decide

Everything you need to know about 12 Heol Y Twyn

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

Larger 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.

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

EPC Rating

D67

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Average

CO2 Emissions

3.0 t/year

Occupancy

Owner Occupied

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Level 2 HomeBuyer Report

Mid 20th centurySemi-Detached HouseEPC D

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Planning

Planning history

Applications and permits filed against 12 Heol Y Twyn, Pontlliw, Swansea, SA4 9EU, sourced from the PlanIt planning register.

12 Heol Y Twyn has no planning applications on record.

But the area is active

1 notable application 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.

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

Current estimate

£186,000

Modelled from EPC, postcode comparables.

See how we calculated this

Last sold (2021)

£145,000

Recorded with HM Land Registry.

Sales timeline

15 July 2021Most recent
£145,000

Median price across the last 5 sales in SA4 9EU: £142,500 (2025–2022).

Nearby sales in SA4 9EU

On the street

Versus other Heol Y Twyn homes

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

Habitable Rooms for 12 Heol Y Twyn lags the street by a wide margin.

Price per m²

£1,813

Street avg £1,725

On par

Floor Area

80 m²

Street avg 70 m²

Strongly above

Habitable Rooms

3 rooms

Street avg 5 rooms

Strongly below

CO₂ Emissions

3.0 t/year

Street avg 3.3 t/year

On par

Before you decide

Everything you need to know about 12 Heol Y Twyn

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

Larger 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.

£197k

1 Clos Glanlliw, Pontlliw

SA4 9DW

£198k

1 Clordir Road, Pontlliw

SA4 9EY

£174k

1 Dillwyn Road, Penllergaer

SA4 9BT

£173k

1 Bron Afon, Tircoed Forest Village, Penllergaer

SA4 9QY

£173k

1 Bryn Bach, Tircoed Forest Village, Penllergaer

SA4 9RX

2 bed

£205k

1 Cherry Crescent, Penllergaer

SA4 9FF

£207k

1 Clos Llarwydden, Penllergaer

SA4 9ZP

3 bed

£215k

1 Dryslwyn Close, Penllergaer

SA4 9AW

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

2/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Post Office — 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 Heol Y Twyn, Pontlliw, Swansea, SA4 9EU. Each answer is also embedded as structured data for search engines.