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19 William Street, Ystradgynlais, Swansea, SA9 1AT

Property type
End terrace
Bedrooms
2
Floor area
104 m²
1114 sq ft
Energy rating
D
Score 55
Council tax
Band B
Tenure
Owner Occupied
Overview

About 19 William Street

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

19 William Street is a two-bedroom end-of-terrace house in Ystradgynlais, Swansea, Swansea (SA9 1AT). It has a recorded floor area of 104 m² (around 1114 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (October 2008) shows a D (score 55), a step below the typical UK home. The latest certificate is from October 2008, so improvements made since then won't be reflected.

Today's modelled estimate of £160,000 sits 125.4% above the 2013 sale of £71,000. On a £-per-square-foot basis, the last sale (£64/sq ft) was about 30.6% below the postcode norm. At 104 m² it's 26.2% larger than the typical home in the postcode (82 m² median across 13 EPCs). Last changed hands 13 years ago, in November 2013.

Before you offer

Know exactly what you're buying at 19 William Street

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

  • Bedrooms2
Energy

Energy performance

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

19 William Street's EPC is over a decade old — improvements since won't be reflected.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 07 Oct 2018

EPC Rating

A
B
C
D
D55
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Very Good
Windows
Average
CO2 Emissions
5.1 t/year
Occupancy
Owner Occupied
Planning

Planning history

Applications and permits filed against 19 William Street, Ystradgynlais, Swansea, SA9 1AT, sourced from the PlanIt planning register.

19 William Street 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 19 William Street

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.

19 William Street valuation sits well clear of the typical sold price in this postcode.

Current estimate

£160,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2013)

£71,000

Recorded with HM Land Registry.

Sales timeline

  1. 29 November 2013Most recent

    £71,000

Median price across the last 5 sales in SA9 1AT: £127,000 (2025–2019).

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Everything we know about 19 William Street, 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
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Preview of the full property report
On the street

Versus other William Street homes

Four headline reads against 13 similar houses on this street, drawn from the latest EPC and Land Registry data.

Floor Area for 19 William Street runs comfortably ahead of the street norm.

Price per m²

£686

Street avg £1,133

Strongly below

Floor Area

104 m²

Street avg 86 m²

Strongly above

Habitable Rooms

4 rooms

Street avg 5 rooms

Below

CO₂ Emissions

5.1 t/year

Street avg 4.9 t/year

On par
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.

Crime

6/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Glanrhyd Hospital — 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 19 William Street, Ystradgynlais, Swansea, SA9 1AT. Each answer is also embedded as structured data for search engines.