25 Lock Keepers Court, Blackweir Terrace, Cardiff, CF10 3EZ
About 25 Lock Keepers Court
25 Lock Keepers Court is a mid-terrace house in Cardiff (CF10 3EZ). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 2003-2006 and council tax band E. The latest certificate (January 2019) shows a C (score 80), near the top of the C band. The rating has held steady at C across 3 certificates since October 2008. Between certificates, lighting went from Average to Very Good and main heating went from Poor to Average; while window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 83). Main heating runs on electricity. At 80 m² this is the 31st 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.
At 80 m² it's 19.4% larger than the typical home in the postcode (67 m² median across 35 EPCs). 9 years since the last transfer (November 2017).
Energy performance
EPC Rating
Certificate validity
Valid until 15 January 2029
Property Improvements
Changes detected from historical EPC data
Low energy lighting percentage decreased
MVHR (mechanical ventilation with heat recovery) installed
Hot water system changed
More low energy lighting installed
Ventilation system changed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
25 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
25 Lock Keepers Court's sale-price growth has lagged the wider UK trajectory across its history on file.
£182,000
Modelled from EPC, postcode comparables.
£170,000
Recorded with HM Land Registry.
Sales timeline
2 November 2017Most recent
£170,000
-0.6%over 12 years20 December 2004
£170,995
Median price across the last 5 sales in CF10 3EZ: £168,000 (2026–2023).
Nearby sales in CF10 3EZ
2 Lock Keepers Court, Blackweir Terrace, Cardiff, CF10 3EZ
Sold Apr 2026
£161,00023 Lock Keepers Court, Blackweir Terrace, Cardiff, CF10 3EZ
Sold Mar 2026
£172,50033 Lock Keepers Court, Blackweir Terrace, Cardiff, CF10 3EZ
Sold Nov 2025
£170,00028 Lock Keepers Court, Blackweir Terrace, Cardiff, CF10 3EZ
Sold Feb 2024
£150,00013 Lock Keepers Court, Blackweir Terrace, Cardiff, CF10 3EZ
Sold Aug 2023
£168,000
Versus other Blackweir Terrace homes
25 Lock Keepers Court outperforms the street on floor area by a wide margin.
Price per m²
£2,125
Street avg £2,230
Floor Area
80 m²
Street avg 68 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.2 t/year
Street avg 2.3 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
485/mo
Steady 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.







