17 Lock Keepers Court, Blackweir Terrace, Cardiff, CF10 3EZ
About 17 Lock Keepers Court
17 Lock Keepers Court is a mid-terrace house in Cardiff (CF10 3EZ). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1991-1995 and council tax band E. At 56 m² this is the 4th 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. The latest certificate (April 2018) shows a C (score 78), near the top of the C band. Main heating runs on electricity.
Across 2005–2018, sale prices on this property compounded at -1.3% per year. Today's modelled estimate of £193,000 sits 54.4% above the 2018 sale of £125,000. At 56 m² it's 17.6% smaller than the typical home in the postcode (68 m² median across 35 EPCs). Last sale on file: £125,000 in August 2018.
Energy performance
EPC Rating
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Planning history
17 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
17 Lock Keepers Court's sale-price growth has lagged the wider UK trajectory across its history on file.
£193,000
Modelled from EPC, postcode comparables and a sale-price growth of -1.3% per year over 14 years.
£125,000
Growth on file: -1.3% per year over 14 years.
Sales timeline
16 August 2018Most recent
£125,000
-16.1%over 13 years18 January 2005
£148,995
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
Floor Area for 17 Lock Keepers Court lags the street by a wide margin.
Price per m²
£2,232
Street avg £2,235
Floor Area
56 m²
Street avg 68 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.1 t/year
Street avg 2.4 t/year
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.







