18 Caradoc Close, St Mellons, Cardiff, CF3 0LQ
About 18 Caradoc Close
18 Caradoc Close is a three-bedroom semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0LQ). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (February 2014) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2013. Between certificates, hot-water efficiency went from Average to Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 84), a 2-band jump. The latest certificate is from February 2014, so improvements made since then won't be reflected.
At 89 m² the property is well over the postcode median (56 m² across 20 EPCs), placing it in the larger end of the local stock. Across 1996–2017, sale prices on this property compounded at 7.1% per year. Today's modelled estimate of £264,000 sits 50.9% above the 2017 sale of £175,000. On the market in September 2017 and unlisted since — roughly 9 years. Across the public record there are 5 sales, relatively high churn for a single property.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Open-plan layoutYes
- Dining roomYes
- CloakroomYes
Outside
- Private gardenYes
- DrivewayYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 07 Feb 2024
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Low energy lighting percentage decreased
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Level 2 HomeBuyer Report
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Planning history
18 Caradoc Close has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
18 Caradoc Close has more than quadrupled in price since its earliest registered sale in 1996.
£264,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.1% per year over 21 years.
£175,000
Growth on file: 7.1% per year over 21 years.
Sales timeline
26 September 2017Most recent
£175,000
+250.4%over 15 years9 October 2001
£49,950
+16.2%over 2 years20 November 1998
£42,995
+7.5%over 2 years22 August 1996
£39,995
-2.5%27 June 1996
£41,000
Median price across the last 5 sales in CF3 0LQ: £155,000 (2025–2019).
Nearby sales in CF3 0LQ
20 Caradoc Close, St Mellons, Cardiff, CF3 0LQ
Sold Jul 2025
£260,0002 Caradoc Close, St Mellons, Cardiff, CF3 0LQ
Sold Aug 2021
£180,00022 Caradoc Close, St Mellons, Cardiff, CF3 0LQ
Sold Sept 2020
£143,00014 Caradoc Close, St Mellons, Cardiff, CF3 0LQ
Sold Jun 2020
£155,00021 Caradoc Close, St Mellons, Cardiff, CF3 0LQ
Sold Jul 2019
£125,000
Versus other Caradoc Close homes
Floor Area for 18 Caradoc Close runs comfortably ahead of the street norm.
Price per m²
£1,966
Street avg £2,404
Floor Area
89 m²
Street avg 56 m²
Habitable Rooms
5 rooms
Street avg 3 rooms
CO₂ Emissions
3.5 t/year
Street avg 2.4 t/year
Similar properties nearby
1 Brython Drive, St Mellons
CF3 0LR
1 Chervil Close, St Mellons
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1 Aston Place, St Mellons
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1 Cathcob Close, St Mellons
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1 Aster Close, St Mellons
CF3 0JB
1 Chartley Close, St Mellons
CF3 0SD
1 Ashdown Close, St Mellons
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1 Caradoc Close, St Mellons
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Willowdene Way — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







