138 Rhiw R Ddar, Taffs Well, Cardiff, CF15 7ND
About 138 Rhiw R Ddar
138 Rhiw R Ddar is a three-bedroom semi-detached house in Taffs Well, Cardiff, Cardiff (CF15 7ND). It has a recorded floor area of 83 m² (around 896 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (January 2009) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 71), a 2-band jump. The latest certificate is from January 2009, so improvements made since then won't be reflected. Other recorded features include notable views. Records show the property has been extended at some point in its history.
Held since December 2009 — that's 16 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. At 83 m² it's 25.3% larger than the typical home in the postcode (66 m² median across 12 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £250,000 sits 63.4% above the 2009 sale of £153,000.
What this property has
Inside
- Bedrooms3
- Dining roomYes
Outside
- Private gardenFront and rear
- ParkingYes
- Notable viewsYes
Building
- Previously extendedYes
Energy performance
138 Rhiw R Ddar 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This certificate is over 10 years old and is no longer valid.Expired 07 Jan 2019
EPC Rating
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Planning history
138 Rhiw R Ddar 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
The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.
£250,000
Modelled from EPC, postcode comparables.
£153,000
Recorded with HM Land Registry.
Sales timeline
22 December 2009Most recent
£153,000
Median price across the last 5 sales in CF15 7ND: £152,000 (2021–2017).
Nearby sales in CF15 7ND
150 Rhiw R Ddar, Taffs Well, Cardiff, CF15 7ND
Sold Dec 2021
£205,000160 Rhiw R Ddar, Taffs Well, Cardiff, CF15 7ND
Sold Dec 2020
£145,000176 Rhiw R Ddar, Taffs Well, Cardiff, CF15 7ND
Sold Dec 2018
£330,000156 Rhiw R Ddar, Taffs Well, Cardiff, CF15 7ND
Sold Jul 2018
£144,000166 Rhiw R Ddar, Taffs Well, Cardiff, CF15 7ND
Sold Sept 2017
£152,000
Versus other Rhiw R Ddar homes
On price per m², 138 Rhiw R Ddar runs well behind the street norm.
Price per m²
£1,839
Street avg £2,383
Floor Area
83 m²
Street avg 77 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.7 t/year
Street avg 3.4 t/year
Similar properties nearby
1 Church Street, Taffs Well
CF15 7PG
1 Church Lane, Nantgarw
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1 Bute Street, Tongwynlais
CF15 7LJ
1 Forest Cottage, Castle Road, Tongwynlais
CF15 7JR
1 Anchor Street, Taffs Well
CF15 7RH
1 Castell Coch View, Tongwynlais
CF15 7LA
1 Beechwood Road, Taffs Well
CF15 7RZ
1 Castle Road, Tongwynlais
CF15 7JQ
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Glan-y-ffordd — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







