What type of property is 12 Derwen Road, SA9 1HL?

12 Derwen Road, SA9 1HL is a 3-bedroom semi-detached house.

When did 12 Derwen Road, SA9 1HL last change hands?

12 Derwen Road, SA9 1HL last sold for £260,000 in August 2025. Before that, it sold for £19,400 in February 2002, so prices have been rising over 24 years on record. Source: HM Land Registry.

Has 12 Derwen Road, SA9 1HL appreciated in value?

Across 2 sales between February 2002 and August 2025, 12 Derwen Road, SA9 1HL rose from £19,400 to £260,000, a change of £240,600. That works out to roughly +11.7% per year compounded over 24 years. Source: HM Land Registry.

What is the EPC rating for 12 Derwen Road, SA9 1HL?

The current EPC rating for 12 Derwen Road, SA9 1HL is D with a score of 64 out of 100, lodged in April 2025. The assessor estimates the property could reach a B. Source: EPC Register.

What is the floor area of 12 Derwen Road, SA9 1HL?

12 Derwen Road, SA9 1HL has a recorded floor area of 113 m² (1,216 sq ft), around 38 m² per bedroom. Source: EPC Register.

How is 12 Derwen Road, SA9 1HL heated?

The latest EPC at 12 Derwen Road, SA9 1HL records mains gas as the main heating fuel. Source: EPC Register.

Where is 12 Derwen Road, SA9 1HL located?

12 Derwen Road, SA9 1HL sits in Ystradgynlais, Swansea, Swansea. It falls within the SA9 postcode district.

Is 12 Derwen Road, SA9 1HL in a safe area?

Police records around 12 Derwen Road, SA9 1HL show an average of 6 reported crimes per month over the last 9 months. Violent crime makes up roughly 72% of reports, the most common category. The overall trend is broadly stable. Source: Police UK.

How well connected is 12 Derwen Road, SA9 1HL?

The closest bus stop to 12 Derwen Road, SA9 1HL is Teddy Bear Bridge, 134m away. In total there are 30 bus stops within the surrounding area.

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12 Derwen Road, Ystradgynlais, Swansea, SA9 1HL

Property type

Semi-detached

Bedrooms

Bathrooms

Floor area

113 m²

1216 sq ft

Energy rating

Score 64

Tenure

Owner Occupied

Overview

About 12 Derwen Road

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

12 Derwen Road is a three-bedroom semi-detached house in Ystradgynlais, Swansea, Swansea (SA9 1HL). It has a recorded floor area of 113 m² (around 1216 sq ft) and construction records dating it to 1900-1929. The latest certificate (April 2025) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump.

Across 2002–2025, sale prices on this property compounded at 11.7% per year. Today's modelled estimate of £223,000 is 14.2% below the 2025 sale of £260,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£214/sq ft) was about 80.7% above the typical sold price in the postcode. A recent sale: £260,000 in August 2025.

Before you offer

Know exactly what you're buying at 12 Derwen Road

Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.

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Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

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
Bathrooms2
Open-plan layoutYes
CloakroomYes
EnsuiteYes

Outside

Private gardenYes
GarageYes
Summer houseYes

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

D64

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Average

CO2 Emissions

4.8 t/year

Occupancy

Owner Occupied

Planning

Planning history

Applications and permits filed against 12 Derwen Road, Ystradgynlais, Swansea, SA9 1HL, sourced from the PlanIt planning register.

12 Derwen Road has no planning applications on record.

Notable planning nearby

2applications of note in the surrounding area

Before you offer

We flagged 1 thing worth checking at 12 Derwen Road

Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.

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Price

Sales history & valuation

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

Latest sale on 12 Derwen Road was the highest on Land Registry record across the postcode.

Current estimate

£223,000

Modelled from EPC, postcode comparables and a sale-price growth of 11.7% per year over 24 years.

See how we calculated this

Last sold (2025)

£260,000

Growth on file: 11.7% per year over 24 years.

Sales timeline

21 August 2025Most recent
£260,000
+1240.2%over 23 years
1 February 2002
£19,400

Median price across the last 5 sales in SA9 1HL: £165,000 (2021–2011).

Nearby sales in SA9 1HL

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Everything we know about 12 Derwen Road, in one report

What it's really worth, what could be wrong, and the planning, sales and area data in full.

What we flagged

Larger development activity nearby

£9.99£14.99

Trusted by UK homebuyers

On the street

Versus other Derwen Road homes

Four headline reads against 5 similar houses on this street, drawn from the latest EPC and Land Registry data.

12 Derwen Road outperforms the street on price per m² by a wide margin.

Price per m²

£2,301

Street avg £1,276

Strongly above

Floor Area

113 m²

Street avg 118 m²

On par

Habitable Rooms

5 rooms

Street avg 6 rooms

Below

CO₂ Emissions

4.8 t/year

Street avg 5.3 t/year

Strongly above

Comparables

Similar properties nearby

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

£240k

1 2 Metz Cottages, Ystradgynlais

SA9 1SB

3 bed1 bath

£248k

1 Abercrave Villas, Heol Tawe, Abercrave

SA9 1TN

3 bed

£256k

1 Brynygroes Cottages, Ystradgynlais

SA9 1LE

3 bed

£188k

1 Caehopkin Cottage, Caehopkin Road, Abercrave

SA9 1TX

3 bed1 bath

£272k

1 Brynawel Villas, Brecon Road, Ystradgynlais

SA9 1HQ

3 bed

£201k

1 Caemaen, Brecon Road, Penycae

SA9 1YN

2 bed

£194k

1 Coedlan, Lower Cwmtwrch

SA9 1ED

4 bed

£164k

1 Brooklands Terrace, Abercrave

SA9 1UF

2 bed

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

6/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Teddy Bear Bridge — bus stop.

Go deeper on the local area

The full report breaks down crime, transport links, schools and air quality in depth.

Map

Everything within walking distance

Schools, transport stops and scenic spots near this property — 30 points of interest in total.

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 12 Derwen Road, Ystradgynlais, Swansea, SA9 1HL. Each answer is also embedded as structured data for search engines.