12 Dumfries Place, Ystradgynlais, Swansea, SA9 1AJ
About 12 Dumfries Place
12 Dumfries Place is a three-bedroom semi-detached house in Ystradgynlais, Swansea, Swansea (SA9 1AJ). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (November 2025) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since May 2016. Between certificates, wall efficiency went from Poor to Good and lighting went from Poor to Very Good. The recommended improvements would push it to C (score 72).
Today's modelled estimate of £161,000 sits 147.7% above the 2017 sale of £65,000. On the market in July 2017 and unlisted since — roughly 9 years.
Know exactly what you're buying at 12 Dumfries Place
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- Private gardenrear
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Cavity wall insulation installed
More low energy lighting installed
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Planning history
12 Dumfries Place has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 12 Dumfries Place
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
£161,000
Modelled from EPC, postcode comparables.
£65,000
Recorded with HM Land Registry.
Sales timeline
9 July 2017Most recent
£65,000
Median price across the last 2 sales in SA9 1AJ: £75,500 (2005–2002).
Everything we know about 12 Dumfries Place, 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

Similar properties nearby
1 Caehopkin Cottage, Caehopkin Road, Abercrave
SA9 1TX
1 2 Metz Cottages, Ystradgynlais
SA9 1SB
1 Abercrave Villas, Heol Tawe, Abercrave
SA9 1TN
1 Brynygroes Cottages, Ystradgynlais
SA9 1LE
1 Brynawel Villas, Brecon Road, Ystradgynlais
SA9 1HQ
1 Brooklands Terrace, Abercrave
SA9 1UF
1 Brewers Cottage, Pelican Street, Ystradgynlais
SA9 1LG
1 Coedlan, Lower Cwmtwrch
SA9 1ED
The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 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.