The Old Library, Corporation Street, Aberystwyth, SY23 2BT
About The Old Library
The Old Library is a semi-detached house in Aberystwyth (SY23 2BT). It has a recorded floor area of 81 m² (around 872 sq ft) and construction records dating it to before 1900. The latest certificate (August 2025) shows a C (score 74). When first surveyed in March 2025 the rating was G, the property has climbed 4 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Very Good and hot-water efficiency went from Very Poor to Good. Main heating runs on electricity.
5 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension and change of use to residential, meaningful when judging how the property has evolved.
Know exactly what you're buying at The Old Library
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
The Old Library's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Mechanical ventilation installed
Planning history
- Oct 2022ConditionsIn report
Discharge of condition 4 of planning permission A211032 (Photographic Survey)
- Documents
- 6 docs on file
- Reference
- A220569
- Sept 2022ConditionsIn report
Discharge of condition 3 (sample of material) from planning permission A211039
- Documents
- 6 docs on file
- Reference
- A220551
What's in The Old Library, Corporation Street, Aberystwyth, SY23 2BT's planning history?
3 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
The Old Library has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£209,000
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 2BT: £180,000 (2024–2018).
Nearby sales in SY23 2BT
9 Corporation Street, Aberystwyth, SY23 2BT
Sold Jan 2024
£160,00013 Corporation Street, Aberystwyth, SY23 2BT
Sold Jan 2024
£160,0007 Corporation Street, Aberystwyth, SY23 2BT
Sold Aug 2023
£180,00012 Corporation Street, Aberystwyth, SY23 2BT
Sold Apr 2023
£255,000Flat, 16 Corporation Street, Aberystwyth, SY23 2BT
Sold Feb 2018
£250,000
Everything we know about The Old Library, 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 Corporation Street homes
EPC Rating for The Old Library runs comfortably ahead of the street norm.
EPC Rating
74 (C)
Street avg 61 (D)
Floor Area
81 m²
Street avg 113 m²
CO₂ Emissions
0.6 t/year
Street avg 5.2 t/year
Habitable Rooms
4 rooms
Street avg 7 rooms
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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
Promenade — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.