What kind of home is 23 Alder Avenue, SA9 1AQ?

23 Alder Avenue, SA9 1AQ is a semi-detached house.

When did 23 Alder Avenue, SA9 1AQ last change hands?

23 Alder Avenue, SA9 1AQ last sold for £180,000 in June 2017, around 9 years ago. Before that, it sold for £55,000 in March 2000, so prices have been rising over 17 years on record. Source: HM Land Registry.

Has 23 Alder Avenue, SA9 1AQ appreciated in value?

Across 2 sales between March 2000 and June 2017, 23 Alder Avenue, SA9 1AQ rose from £55,000 to £180,000, a change of £125,000. That works out to roughly +7.1% per year compounded over 17 years. Source: HM Land Registry.

What energy rating does 23 Alder Avenue, SA9 1AQ have?

The current EPC rating for 23 Alder Avenue, SA9 1AQ is E with a score of 49 out of 100, lodged in March 2017. The assessor estimates the property could reach a C. Source: EPC Register.

How big is 23 Alder Avenue, SA9 1AQ?

23 Alder Avenue, SA9 1AQ has a recorded floor area of 103 m² (1,109 sq ft). Source: EPC Register.

What heating system does 23 Alder Avenue, SA9 1AQ use?

The latest EPC at 23 Alder Avenue, SA9 1AQ records mains gas as the main heating fuel. Source: EPC Register.

What is the council tax band for 23 Alder Avenue, SA9 1AQ?

23 Alder Avenue, SA9 1AQ is in council tax band D.

Which area is 23 Alder Avenue, SA9 1AQ in?

23 Alder Avenue, SA9 1AQ sits in Ystradgynlais, Swansea, Swansea. It falls within the SA9 postcode district.

How safe is the area around 23 Alder Avenue, SA9 1AQ?

Police records around 23 Alder Avenue, SA9 1AQ 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.

What transport links are near 23 Alder Avenue, SA9 1AQ?

The closest bus stop to 23 Alder Avenue, SA9 1AQ is Post Office, 205m away. In total there are 30 bus stops within the surrounding area.

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23 Alder Avenue, Ystradgynlais, Swansea, SA9 1AQ

Property type

Semi-detached

Habitable rooms

From EPC

Floor area

103 m²

1109 sq ft

Energy rating

Score 49

Council tax

Band D

Tenure

Owner Occupied

Overview

About 23 Alder Avenue

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

23 Alder Avenue is a semi-detached house in Ystradgynlais, Swansea, Swansea (SA9 1AQ). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (March 2017) shows an E (score 49), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since October 2013. Between certificates, lighting went from Poor to Good. The recommended improvements would lift it to C (score 78), a 2-band jump.

Across 2000–2017, sale prices on this property compounded at 7.1% per year. Today's modelled estimate of £291,000 sits 61.7% above the 2017 sale of £180,000. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). Last changed hands 9 years ago, in June 2017.

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Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

Energy

Energy performance

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

23 Alder Avenue's carbon output runs well above what efficient homes in the postcode produce.

Current Certificate(1 of 2)

Mar 2017

EPC Rating

E49

Main Heating

Gas

Main Fuel

Gas

Hot Water

Poor

Windows

Average

CO2 Emissions

7.2 t/year

Occupancy

Owner Occupied

Property Improvements

Changes detected from historical EPC data

Mar 2017from Oct 2013

Heating Controls

FullProg + Stat

Heating controls changed

Low Energy Lighting

20%67%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 23 Alder Avenue, Ystradgynlais, Swansea, SA9 1AQ, sourced from the PlanIt planning register.

23 Alder Avenue 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 23 Alder Avenue

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.

Sale price has grown by over 3x since 2000.

Current estimate

£291,000

Modelled from EPC, postcode comparables and a sale-price growth of 7.1% per year over 17 years.

See how we calculated this

Last sold (2017)

£180,000

Growth on file: 7.1% per year over 17 years.

Sales timeline

8 June 2017Most recent
£180,000
+227.3%over 17 years
24 March 2000
£55,000

Median price across the last 5 sales in SA9 1AQ: £248,000 (2025–2022).

Nearby sales in SA9 1AQ

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Everything we know about 23 Alder Avenue, in one report

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

What we flagged

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On the street

Versus other Alder Avenue homes

Four headline reads against 14 similar houses on this street, drawn from the latest EPC and Land Registry data.

CO₂ Emissions for 23 Alder Avenue lags the street by a wide margin.

Price per m²

£1,748

Street avg £1,931

On par

Floor Area

103 m²

Street avg 101 m²

On par

Habitable Rooms

5 rooms

Street avg 5 rooms

Below

CO₂ Emissions

7.2 t/year

Street avg 5.2 t/year

Strongly below

Comparables

Similar properties nearby

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

£272k

1 Brynawel Villas, Brecon Road, Ystradgynlais

SA9 1HQ

3 bed

£266k

1 Caedegar Road, Ystradgynlais

SA9 1LW

£256k

1 Brynygroes Cottages, Ystradgynlais

SA9 1LE

3 bed

£248k

1 Abercrave Villas, Heol Tawe, Abercrave

SA9 1TN

3 bed

£240k

1 2 Metz Cottages, Ystradgynlais

SA9 1SB

3 bed1 bath

£228k

1 Astoria Place, Ystradgynlais

SA9 1HW

£221k

1 Caerbont Cottages, Abercrave

SA9 1SP

£201k

1 Caemaen, Brecon Road, Penycae

SA9 1YN

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

0.2 km

Post Office — 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 23 Alder Avenue, Ystradgynlais, Swansea, SA9 1AQ. Each answer is also embedded as structured data for search engines.