18 Maes Y Dderwen, Creigiau, Cardiff, CF15 9JS
About 18 Maes Y Dderwen
18 Maes Y Dderwen is a detached house in Creigiau, Cardiff, Cardiff (CF15 9JS). It has a recorded floor area of 115 m² (around 1241 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (November 2011) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 64). The latest certificate is from November 2011, so improvements made since then won't be reflected.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £435,000 sits 50% above the 2012 sale of £290,000. 14 years since the last transfer (April 2012).
Energy performance
18 Maes Y Dderwen sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 01 Nov 2021
EPC Rating
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Planning history
18 Maes Y Dderwen has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
18 Maes Y Dderwen valuation sits well clear of the typical sold price in this postcode.
£435,000
Modelled from EPC, postcode comparables.
£290,000
Recorded with HM Land Registry.
Sales timeline
18 April 2012Most recent
£290,000
Median price across the last 5 sales in CF15 9JS: £385,000 (2024–2021).
Nearby sales in CF15 9JS
29 Maes Y Dderwen, Creigiau, Cardiff, CF15 9JS
Sold Dec 2024
£390,0002 Maes Y Dderwen, Creigiau, Cardiff, CF15 9JS
Sold Nov 2024
£394,95012 Maes Y Dderwen, Creigiau, Cardiff, CF15 9JS
Sold Aug 2023
£360,0006 Maes Y Dderwen, Creigiau, Cardiff, CF15 9JS
Sold Jun 2022
£385,00013 Maes Y Dderwen, Creigiau, Cardiff, CF15 9JS
Sold Jan 2021
£350,000
Versus other Maes Y Dderwen homes
18 Maes Y Dderwen is notably below the street on epc rating.
Price per m²
£2,515
Street avg £2,749
Floor Area
115 m²
Street avg 119 m²
Habitable Rooms
8 rooms
Street avg 7 rooms
CO₂ Emissions
6.3 t/year
Street avg 4.8 t/year
Similar properties nearby
1 Dol Y Felin, Creigiau
CF15 9SN
1 Erw Wen, Pentyrch
CF15 9PQ
1 Bryn Siriol, Pentyrch
CF15 9QU
1 Brummell Drive, Creigiau
CF15 9NX
1 Castle Close, Creigiau
CF15 9NJ
1 Ael Y Bryn, Pentyrch
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1 Crib Y Llan Cottages, Gwaelod Y Garth
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1 2, Post Office Row, Gwaelod Y Garth
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Maes-yr-Onnen — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







