4 Plas Mair, William Street, Aberystwyth, SY23 1EB
About 4 Plas Mair
4 Plas Mair is a mid-terrace house in Aberystwyth (SY23 1EB). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 1991-1995 and council tax band D. The latest certificate (September 2014) shows a C (score 73). When first surveyed in November 2008 the rating was D, the property has climbed 1 band since. Between certificates, main heating went from Poor to Average. Main heating runs on electricity. The latest certificate is from September 2014, so improvements made since then won't be reflected. At 60 m² this is the 4th smallest of 9 units on EPC record in the building, where floor areas span 55–88 m². The building's EPC ratings span D to B across 9 units on file.
Know exactly what you're buying at 4 Plas Mair
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
4 Plas Mair'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This certificate is over 10 years old and is no longer valid.Expired 09 Sept 2024
EPC Rating
Property Improvements
Changes detected from historical EPC data
Planning history
4 Plas Mair has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
Sales history & valuation
4 Plas Mair has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£161,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SY23 1EB: £140,000 (2022–2009).
Nearby sales in SY23 1EB
3 Plas Mair, William Street, Aberystwyth, SY23 1EB
Sold Feb 2022
£142,0008 Plas Mair, William Street, Aberystwyth, SY23 1EB
Sold Sept 2021
£120,0002 Plas Mair, William Street, Aberystwyth, SY23 1EB
Sold Sept 2013
£177,5001 Plas Mair, William Street, Aberystwyth, SY23 1EB
Sold Sept 2002
£119,9506 Plas Mair, William Street, Aberystwyth, SY23 1EB
Sold Feb 2001
£58,500
Everything we know about 4 Plas Mair, 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 William Street homes
EPC Rating
73 (C)
Street avg 74 (C)
Floor Area
60 m²
Street avg 58 m²
CO₂ Emissions
3.3 t/year
Street avg 3.1 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Similar properties nearby
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1 Bridgend Cottages, Trefechan
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1 Cwrt Yr Angor, Trefechan
SY23 1BN
1 Clos Y Drindod, Buarth Road
SY23 1LR
1 Cae Job, Piercefield Lane, Penparcau
SY23 1RJ
1 Albion Cottages, High Street
SY23 1JQ
1 Cathedral View, Llangawsai
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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
0.1 km
Mill Street — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.