21 Penllwyn Estate, Capel Bangor, Aberystwyth, SY23 3LP
About 21 Penllwyn Estate
21 Penllwyn Estate is a three-bedroom semi-detached house in Capel Bangor, Aberystwyth, Aberystwyth (SY23 3LP). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (March 2021) shows an E (score 48), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since July 2016. Between certificates, wall efficiency went from Poor to Good and roof efficiency went from Good to Very Good; while main heating dropped from Average to Very Poor. The recommended improvements would lift it to B (score 87), a 3-band jump. Main heating runs on electricity.
It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs). Across 2018–2021, sale prices on this property compounded at 12.9% per year. Today's modelled estimate of £246,000 is 16% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£232/sq ft) was about 45.4% above the typical sold price in the postcode. Sold July 2021 for £212,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 21 Penllwyn Estate
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
What this property has
Inside
- Bedrooms3
- Bathrooms1
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency improved
Heating controls upgraded for better temperature management
Hot water system changed
Window efficiency improved
Wall insulation improved
Loft insulation upgraded to recommended levels
Planning history
21 Penllwyn Estate has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£246,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.9% per year over 3 years.
£212,000
Growth on file: 12.9% per year over 3 years.
Sales timeline
29 July 2021Most recent
£212,000
+43.2%over 2 years16 August 2018
£148,000
Median price across the last 5 sales in SY23 3LP: £175,000 (2024–2017).
Nearby sales in SY23 3LP
29 Penllwyn Estate, Capel Bangor, Aberystwyth, SY23 3LP
Sold Feb 2024
£219,00026 Penllwyn Estate, Capel Bangor, Aberystwyth, SY23 3LP
Sold Dec 2023
£175,00030 Penllwyn Estate, Capel Bangor, Aberystwyth, SY23 3LP
Sold Nov 2023
£217,5001 Penllwyn Estate, Capel Bangor, Aberystwyth, SY23 3LP
Sold Feb 2020
£159,00023 Penllwyn Estate, Capel Bangor, Aberystwyth, SY23 3LP
Sold Feb 2017
£157,000
Everything we know about 21 Penllwyn Estate, 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 Penllwyn Estate homes
EPC Rating for 21 Penllwyn Estate lags the street by a wide margin.
Price per m²
£2,494
Street avg £1,797
Floor Area
85 m²
Street avg 97 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.6 t/year
Street avg 4.9 t/year
Similar properties nearby
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1 Brynglas Road, Llanbadarn Fawr
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1 Brook Terrace, Llanbadarn Fawr
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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
Post Office — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.