12 Custom House Street, Aberystwyth, SY23 1JR
About 12 Custom House Street
12 Custom House Street is a mid-terrace house in Aberystwyth (SY23 1JR). It has a recorded floor area of 146 m² (around 1572 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (October 2024) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in May 2009 the rating was G, the property has climbed 3 bands since. Between certificates, roof efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Poor and hot-water efficiency went from Very Poor to Good. The recommended improvements would lift it to B (score 85), a 2-band jump.
At 146 m² the property is well over the postcode median (111 m² across 19 EPCs), placing it in the larger end of the local stock. On a £-per-square-foot basis, the last sale (£143/sq ft) was about 48.7% above the typical sold price in the postcode. Most recent transfer: May 2024 at £225,000.
Know exactly what you're buying at 12 Custom House Street
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
12 Custom House Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Single glazing replaced with double or better glazing
More low energy lighting installed
Roof insulation improved
Planning history
12 Custom House Street has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
Sales history & valuation
12 Custom House Street valuation sits well clear of the typical sold price in this postcode.
£231,000
Modelled from EPC, postcode comparables.
£225,000
Recorded with HM Land Registry.
Sales timeline
15 May 2024Most recent
£225,000
Median price across the last 5 sales in SY23 1JR: £250,000 (2025–2021).
Nearby sales in SY23 1JR
10 Custom House Street, Aberystwyth, SY23 1JR
Sold Aug 2025
£195,00019 Custom House Street, Aberystwyth, SY23 1JR
Sold Mar 2024
£380,0002 Custom House Street, Aberystwyth, SY23 1JR
Sold Jun 2022
£250,00014 Custom House Street, Aberystwyth, SY23 1JR
Sold Feb 2022
£236,00013 Custom House Street, Aberystwyth, SY23 1JR
Sold Nov 2021
£295,000
Everything we know about 12 Custom House Street, 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 Custom House Street homes
On years held, 12 Custom House Street runs well behind the street norm.
Price per m²
£1,541
Street avg £1,413
Floor Area
146 m²
Street avg 149 m²
Habitable Rooms
8 rooms
Street avg 7 rooms
CO₂ Emissions
6.1 t/year
Street avg 7.2 t/year
Similar properties nearby
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1 Clos Padarn, Llangawsai
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1 Custom House Street
SY23 1JR
1 Castle Terrace, South Road
SY23 1JT
1 Brynderw, Stanley Road
SY23 1LB
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
Great Darkgate Street Top — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.