23 King Street, Taffs Well, Cardiff, CF15 7PH
About 23 King Street
23 King Street is a one-bedroom semi-detached house in Taffs Well, Cardiff, Cardiff (CF15 7PH). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 1950-1966 and council tax band B. At 49 m² this is the 8th smallest of 21 units on EPC record in the building, where floor areas span 40–107 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (November 2022) shows a C (score 74).
At 49 m² it sits well below the postcode median (83 m² across 20 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £136,000 is 13.3% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£228/sq ft) was about 69.3% above the typical sold price in the postcode. Sold January 2023 for £120,000.
What this property has
Inside
- Bedrooms1
- Bathrooms1
- FireplaceYes
Outside
- Private gardenRear
- GarageYes
Energy performance
EPC Rating
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Planning history
23 King Street 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
£136,000
Modelled from EPC, postcode comparables.
£120,000
Recorded with HM Land Registry.
Sales timeline
23 January 2023Most recent
£120,000
Median price across the last 5 sales in CF15 7PH: £210,000 (2023–2017).
Nearby sales in CF15 7PH
26 King Street, Taffs Well, Cardiff, CF15 7PH
Sold Apr 2023
£270,00017 King Street, Taffs Well, Cardiff, CF15 7PH
Sold Sept 2021
£242,16016 King Street, Taffs Well, Cardiff, CF15 7PH
Sold Apr 2021
£189,00014 King Street, Taffs Well, Cardiff, CF15 7PH
Sold Oct 2019
£210,00013 King Street, Taffs Well, Cardiff, CF15 7PH
Sold Nov 2017
£160,000
Versus other King Street homes
On floor area, 23 King Street stands well clear of the street.
EPC Rating
74 (C)
Street avg 71 (C)
Floor Area
49 m²
Street avg 42 m²
CO₂ Emissions
1.6 t/year
Street avg 1.8 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
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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
Castle House — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







