21 Lock Keepers Court, Blackweir Terrace, Cardiff, CF10 3EZ
About 21 Lock Keepers Court
21 Lock Keepers Court is a mid-terrace house in Cardiff (CF10 3EZ). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (March 2020) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since September 2009. Between certificates, window efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Very Poor. Main heating runs on electricity. At 73 m² this is the 22nd smallest of 36 units on EPC record in the building, where floor areas span 37–84 m². The building's EPC ratings span D to B across 36 units on file.
Untraded for 21 years, with the last transfer in March 2005. Across 2005–2005, sale prices on this property compounded at -11.5% per year. Today's modelled estimate of £200,000 is 44.9% above the 2005 sale price.
Everything you need to know about 21 Lock Keepers Court
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
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Planning history
21 Lock Keepers Court has no planning applications on record.
But the area is active
6 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21 Lock Keepers Court valuation sits well clear of the typical sold price in this postcode.
£200,000
Modelled from EPC, postcode comparables and a sale-price growth of -11.5% per year over 1 year.
£137,995
Growth on file: -11.5% per year over 1 year.
Sales timeline
11 March 2005Most recent
£137,995
-11.5%11 March 2005
£156,000
Median price across the last 5 sales in CF10 3EZ: £165,000 (2024–2022).
Nearby sales in CF10 3EZ
28 Lock Keepers Court, Blackweir Terrace, Cardiff, CF10 3EZ
Sold Feb 2024
£150,00013 Lock Keepers Court, Blackweir Terrace, Cardiff, CF10 3EZ
Sold Aug 2023
£168,00030 Lock Keepers Court, Blackweir Terrace, Cardiff, CF10 3EZ
Sold Jan 2023
£116,25033 Lock Keepers Court, Blackweir Terrace, Cardiff, CF10 3EZ
Sold Aug 2022
£165,00023 Lock Keepers Court, Blackweir Terrace, Cardiff, CF10 3EZ
Sold Jul 2022
£175,000
Versus other Blackweir Terrace homes
Price per m²
£2,137
Street avg £2,237
Floor Area
73 m²
Street avg 68 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.0 t/year
Street avg 2.4 t/year
Everything you need to know about 21 Lock Keepers Court
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Blackweir — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.