11 Maes Y Dderwen, Creigiau, Cardiff, CF15 9JS
About 11 Maes Y Dderwen
11 Maes Y Dderwen is a four-bedroom detached house in Creigiau, Cardiff, Cardiff (CF15 9JS). It has a recorded floor area of 98 m² (around 1055 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (March 2013) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 77), a 2-band jump. The latest certificate is from March 2013, 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. Across 1996–2013, sale prices on this property compounded at 5.8% per year. Today's modelled estimate of £394,000 sits 57.6% above the 2013 sale of £250,000. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. On the market in November 2013 and unlisted since — roughly 13 years.
What this property has
Inside
- Bedrooms4
Energy performance
11 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This certificate is over 10 years old and is no longer valid.Expired 20 Mar 2023
EPC Rating
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Planning history
11 Maes Y Dderwen has been extended on multiple sides of the property across separate planning applications.
2 applications on record at 11 Maes Y Dderwen, Creigiau, Cardiff, CF15 9JS
- Aug 2020ExtensionFullOutcome in report
Extension: Side and rear of property
TWO STOREY SIDE AND REAR EXTENSION
- Documents
- 10 docs on file
- Reference
- 20/00887/DCH
- More recent applications — locked
- ExtensionMay 2021Decision
Unlock 11 Maes Y Dderwen, Creigiau, Cardiff, CF15 9JS's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full
- The 27 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
11 Maes Y Dderwen has more than doubled in price since the earliest registered sale in 1996.
£394,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 18 years.
£250,000
Growth on file: 5.8% per year over 18 years.
Sales timeline
29 November 2013Most recent
£250,000
+68.9%over 12 years18 October 2001
£148,000
+60.9%over 5 years29 March 1996
£92,000
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
On epc rating, 11 Maes Y Dderwen runs well behind the street norm.
Price per m²
£2,551
Street avg £2,747
Floor Area
98 m²
Street avg 121 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
5.4 t/year
Street avg 4.8 t/year
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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.







