6 Rhiwddar Flats, Bryn Coch, Taffs Well, Cardiff, CF15 7QB
About 6 Rhiwddar Flats
6 Rhiwddar Flats is a one-bedroom mid-terrace house in Taffs Well, Cardiff, Cardiff (CF15 7QB). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1950-1966 and council tax band B. At 46 m² this is the 7th smallest of 13 units on EPC record in the building, where floor areas span 36–103 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (June 2026) shows a C (score 77), near the top of the C band. Earlier certificates rated it B (March 2011); the latest reading is one band lower. Between certificates, lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. This certificate was lodged in the last six months, so the rating reflects current condition.
At 46 m² it's 27.7% smaller than the typical home in the postcode (64 m² median across 12 EPCs). Across 2012–2022, sale prices on this property compounded at 3.6% per year. Today's modelled estimate of £118,000 is 31.1% above the 2022 sale price. Sold September 2022 for £90,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms1
Energy performance
6 Rhiwddar Flats's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 3 June 2036
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Wall insulation improved
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Planning history
6 Rhiwddar Flats 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 landed in the post-pandemic price surge — useful context when reading the figure.
£118,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.6% per year over 11 years.
£90,000
Growth on file: 3.6% per year over 11 years.
Sales timeline
19 September 2022Most recent
£90,000
+40.6%over 4 years28 March 2018
£64,000
+3.2%over 6 years7 February 2012
£62,000
Median price across the last 5 sales in CF15 7QB: £155,000 (2026–2013).
Nearby sales in CF15 7QB
13 Rhiwddar Flats, Bryn Coch, Taffs Well, Cardiff, CF15 7QB
Sold Mar 2026
£180,00014 Rhiwddar Flats, Bryn Coch, Taffs Well, Cardiff, CF15 7QB
Sold Feb 2025
£75,0003 Rhiwddar Flats, Bryn Coch, Taffs Well, Cardiff, CF15 7QB
Sold Jul 2024
£168,00015 Rhiwddar Flats, Bryn Coch, Taffs Well, Cardiff, CF15 7QB
Sold May 1998
£33,000
Versus other Bryn Coch homes
On years held, 6 Rhiwddar Flats stands well clear of the street.
Price per m²
£1,957
Street avg £1,944
Floor Area
46 m²
Street avg 65 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.2 t/year
Street avg 2.2 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
85/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Taffs Well Inn — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







