18 Clos Gwilym, Llanbadarn Fawr, Aberystwyth, SY23 3GA
About 18 Clos Gwilym
18 Clos Gwilym is a semi-detached house in Llanbadarn Fawr, Aberystwyth, Aberystwyth (SY23 3GA). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 2007-2011 and council tax band B. The latest certificate (May 2022) shows a C (score 78), near the top of the C band. Earlier certificates rated it B (September 2009); the latest reading is one band lower. Between certificates, hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would lift it to A (score 93), a 2-band jump.
It hasn't traded since March 2011, a hold of 15 years that's notably long for the area. Today's modelled estimate of £171,000 is 29.1% above the 2011 sale price.
Know exactly what you're buying at 18 Clos Gwilym
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
18 Clos Gwilym's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Wall insulation upgraded
Heating controls changed
Loft insulation upgraded to recommended levels
Planning history
18 Clos Gwilym has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
£171,000
Modelled from EPC, postcode comparables.
£132,500
Recorded with HM Land Registry.
Sales timeline
22 March 2011Most recent
£132,500
Median price across the last 5 sales in SY23 3GA: £165,000 (2024–2022).
Nearby sales in SY23 3GA
14 Clos Gwilym, Llanbadarn Fawr, Aberystwyth, SY23 3GA
Sold Dec 2024
£175,00016 Clos Gwilym, Llanbadarn Fawr, Aberystwyth, SY23 3GA
Sold Nov 2024
£170,0001 Clos Gwilym, Llanbadarn Fawr, Aberystwyth, SY23 3GA
Sold Jul 2023
£165,0004 Clos Gwilym, Llanbadarn Fawr, Aberystwyth, SY23 3GA
Sold Sept 2022
£140,00012 Clos Gwilym, Llanbadarn Fawr, Aberystwyth, SY23 3GA
Sold Mar 2022
£108,500
Everything we know about 18 Clos Gwilym, 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 Clos Gwilym homes
Price per m²
£2,704
Street avg £2,734
Floor Area
49 m²
Street avg 56 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.3 t/year
Street avg 1.5 t/year
Similar properties nearby
1 Clawdd Helyg, Comins Coch
SY23 3BL
1 Clos Gwilym, Llanbadarn Fawr
SY23 3GA
1 Church Street, Llanbadarn Fawr
SY23 3QZ
1 Beachside Bungalows, Clarach
SY23 3DL
1 Bryntirion, Penrhyncoch
SY23 3ES
1 Bridge Terrace, Llanbadarn Fawr
SY23 3RD
1 Bilston Terrace, Llanbadarn Fawr
SY23 3RL
1 Brook Terrace, Llanbadarn Fawr
SY23 3RE
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
Canolfan Rheidol — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.