11 King Street, Taffs Well, Cardiff, CF15 7PH
About 11 King Street
11 King Street is a mid-terrace house in Taffs Well, Cardiff, Cardiff (CF15 7PH). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (April 2019) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 84), a 2-band jump.
It hasn't traded since April 2004, a hold of 22 years that's notably long for the area. Today's modelled estimate of £206,000 sits 1484.6% above the 2004 sale of £13,000. On a £-per-square-foot basis, the last sale (£13/sq ft) was about 90.7% below the postcode norm.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
11 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
Latest sale on 11 King Street was the lowest on Land Registry record across the postcode.
£206,000
Modelled from EPC, postcode comparables.
£13,000
Recorded with HM Land Registry.
Sales timeline
19 April 2004Most recent
£13,000
Median price across the last 5 sales in CF15 7PH: £210,000 (2023–2019).
Nearby sales in CF15 7PH
26 King Street, Taffs Well, Cardiff, CF15 7PH
Sold Apr 2023
£270,00023 King Street, Taffs Well, Cardiff, CF15 7PH
Sold Jan 2023
£120,00017 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
£210,000
Versus other King Street homes
On price per m², 11 King Street runs well behind the street norm.
Price per m²
£141
Street avg £1,901
Floor Area
92 m²
Street avg 90 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.5 t/year
Street avg 4.0 t/year
Similar properties nearby
1 Catherine Drive, Tongwynlais
CF15 7JT
1 Castle Street, Taffs Well
CF15 7RL
1 Church Street, Taffs Well
CF15 7PG
1 Ffordd Y Felin, Old Caerphilly Road, Nantgarw
CF15 7TA
1 Anchor Street, Taffs Well
CF15 7RH
1 Abbey Close, Taffs Well
CF15 7RS
1 Beech Court, Catherine Drive, Tongwynlais
CF15 7JU
1 Castell Coch View, Tongwynlais
CF15 7LA
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.







