18 Plas Yr Afon, Trefechan, Aberystwyth, SY23 1DD
About 18 Plas Yr Afon
18 Plas Yr Afon is a mid-terrace house in Trefechan, Aberystwyth, Aberystwyth (SY23 1DD). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (March 2025) shows a C (score 73). When first surveyed in March 2015 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good; while roof efficiency dropped from Very Good to Good. Main heating runs on electricity. At 75 m² this is the 7th smallest of 16 units on EPC record in the building, where floor areas span 64–106 m². The building's EPC ratings span D to B across 16 units on file.
Across 1998–2015, sale prices on this property compounded at 6.4% per year. On a £-per-square-foot basis, the last sale (£242/sq ft) was about 15.7% above the typical sold price in the postcode. 11 years since the last transfer (August 2015).
Know exactly what you're buying at 18 Plas Yr Afon
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
18 Plas Yr Afon has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
Sales history & valuation
Sale price has at least doubled since 1998.
£190,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 17 years.
£195,000
Growth on file: 6.4% per year over 17 years.
Sales timeline
26 August 2015Most recent
£195,000
+186.8%over 17 years30 July 1998
£68,000
Median price across the last 5 sales in SY23 1DD: £197,000 (2025–2021).
Nearby sales in SY23 1DD
16 Plas Yr Afon, Trefechan, Aberystwyth, SY23 1DD
Sold Jul 2025
£175,50021 Plas Yr Afon, Trefechan, Aberystwyth, SY23 1DD
Sold Mar 2025
£197,00022 Plas Yr Afon, Trefechan, Aberystwyth, SY23 1DD
Sold Jul 2023
£172,0003 Plas Yr Afon, Trefechan, Aberystwyth, SY23 1DD
Sold Jul 2022
£210,0004 Plas Yr Afon, Trefechan, Aberystwyth, SY23 1DD
Sold Nov 2021
£220,000
Everything we know about 18 Plas Yr Afon, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Plas Yr Afon homes
Years Held for 18 Plas Yr Afon runs comfortably ahead of the street norm.
Price per m²
£2,600
Street avg £2,418
Floor Area
75 m²
Street avg 77 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
3.7 t/year
Street avg 3.3 t/year
Similar properties nearby
1 Cae Dan Yr Haidd, Penparcau
SY23 1ST
1 Cathedral View, Llangawsai
SY23 1HH
1 Brynderw, Stanley Road
SY23 1LB
1 Clos Y Drindod, Buarth Road
SY23 1LR
1 Custom House Street
SY23 1JR
1 Bridgend Cottages, Trefechan
SY23 1BA
1 Cwrt Yr Angor, Trefechan
SY23 1BN
1 Cae Gwenallt, Fifth Avenue, Penparcau
SY23 1RE
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Holiday Village — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.