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23 Lock Keepers Court, Blackweir Terrace, Cardiff, CF10 3EZ

EPC B5 sales on record

Estimated value

£178,000

  • Since the 2026 sale (£172,500)+3%
  • Against CF10 3EZ's recent median (£161,000)+11%

Newest record on this page: April 2026. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Mid terrace
Floor 1st
Bedrooms
2
Bathrooms
2
Floor area
66 m²
710 sq ft
Energy rating
B
Score 81
Council tax
Band E
Tenure
Owner Occupied
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Valuation

About this valuation

How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.

Our estimate

£178,000

  • Against its 2026 sale (£172,500)+3%
  • Against CF10 3EZ's recent median (£161,000)+11%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 23 Lock Keepers Court is modelled from its 66 m² EPC floor area, its 5 recorded sales and recent sales of comparable homes in CF10 3EZ. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.

What it's based on

  • Floor area

    66 m² from the EPC lodged in October 2019

  • Sales of this home

    5 sales recorded, the latest in 2026

  • Recent sales in CF10 3EZ

    5 sales, median £161,000 (2026–2023)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: April 2026Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
PlanningNone on this homeFull history, plus nearby schemes
Flood riskNot shownIncluded
Price

Sales history & valuation

Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.

Latest sale on 23 Lock Keepers Court was the highest on Land Registry record across the postcode.

Sales timeline

  1. 31 March 2026Most recent

    £172,500

    -1.4%over 3 years

  2. 7 July 2022

    £175,000

    +20.7%over 2 years

  3. 12 December 2019

    £145,000

    +18.4%over 5 years

  4. 2 October 2014

    £122,500

    -13.1%over 9 years

  5. 22 December 2004

    £140,995

Median price across the last 5 sales in CF10 3EZ: £161,000 (2026–2023).

Risks

What this page doesn't show

1 potential issue has already been flagged for 23 Lock Keepers Court, Blackweir Terrace, Cardiff, CF10 3EZ. The detail, evidence and what to ask about it are in the Risks Report.
  • Signs of HMO activity in the areaIn report
  • Flood risk from rivers, sea and surface waterIn report
  • Subsidence and ground-stability signalsIn report
  • Refusals, enforcement and big schemes nearbyIn report

One time fee only - money back guarantee

Overview

About 23 Lock Keepers Court

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

23 Lock Keepers Court is a two-bedroom mid-terrace house in Cardiff (CF10 3EZ). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 2003-2006 and council tax band E. The latest certificate (October 2019) returns a B (score 81), comfortably above the UK average. When first surveyed in September 2009 the rating was C, the property has climbed 1 band since. Between certificates, main heating went from Very Poor to Poor; while hot-water efficiency dropped from Very Good to Poor. Main heating runs on electricity. At 66 m² this is the 13th 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, with this unit at the top.

Most recent transfer was March 2026 at £172,500 — fresh data. Across the public record there are 5 sales, relatively high churn for a single property. Its energy rating outperforms most of the postcode (better than 80% of similar EPCs). Across 2004–2026, sale prices on this property compounded at 1% per year. On a £-per-square-foot basis, the last sale (£243/sq ft) was about 20.8% above the typical sold price in the postcode.

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms2
  • Bathrooms2
  • Open-plan layoutYes
  • EnsuiteYes

Outside

  • Communal gardenYes
  • ParkingYes
Before you decide

Everything you need to know about 23 Lock Keepers Court

The true value, the hidden risks and the full sale history, in one report.

Signs of HMO activity in the area

Pick your report · from £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 2)
Oct 2019

EPC Rating

A
B
B81
C
D
E
F
G
Main Heating
Electric & Gas
Main Fuel
Electric
Hot Water
Poor
Windows
Good
CO2 Emissions
2.1 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 19 October 2029

2 years remaining

Property Improvements

Changes detected from historical EPC data

Oct 2019from Sept 2009
EPC improved fromC71toB81
Hot Water
Very GoodPoor

Hot water efficiency decreased

Low Energy Lighting
80%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 23 Lock Keepers Court, Blackweir Terrace, Cardiff, CF10 3EZ, sourced from the PlanIt planning register.

23 Lock Keepers Court has no planning applications on record.

6

But the area is active

6 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

On the street

Versus other Blackweir Terrace homes

Four headline reads against 35 similar flats on this street, drawn from the latest EPC and Land Registry data.

Years Held for 23 Lock Keepers Court lags the street by a wide margin.

Price per m²

£2,614

Street avg £2,216

Strongly above

Floor Area

66 m²

Street avg 68 m²

Below

Habitable Rooms

3 rooms

Street avg 3 rooms

On par

CO₂ Emissions

2.1 t/year

Street avg 2.4 t/year

Above
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Cardiff district page.
Full Cardiff report

Crime

485/mo

Steady year-on-year across the wider district.

Nearest stop

0.0 km

Blackweir — bus stop.

Nearest stops

  • BlackweirBus stop46m
  • Colum RoadBus stop246m
  • Gelligaer GardensBus stop254m
  • Llantrisant StreetBus stop264m

Most reported crime locally

  • Violence & Sexual Offences2,669 reports31%
  • Shoplifting1,433 reports16%
  • Anti-social Behaviour1,064 reports12%
  • Public Order913 reports10%

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

SDL Surveying

Get a survey for this property

Level 3 Building Survey

21st century1st Floor FlatEPC BNo mains gas

Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.

From £820 · Includes VAT

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£181k

1 Lock Keepers Court, Blackweir Terrace

CF10 3EZ

2 bed2 bath
£154k

10 Lock Keepers Court, Blackweir Terrace

CF10 3EZ

2 bed
£380k

1 Colum Road

CF10 3EE

2 bed2 bath
£230k

100a, North Road

CF10 3DZ

1 bed
£364k

10 Colum Road

CF10 3EG

1 bed1 bath
£184k

106 North Road

CF10 3DZ

£185k

102 Colum Road

CF10 3EJ

£192k

11 Blackweir Terrace

CF10 3EQ

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Method

How to read this page

Where every figure above comes from, how current it is and what it can't tell you.
Valuation method in detail
How the estimate is made
The estimate for 23 Lock Keepers Court is modelled from its 66 m² EPC floor area, its 5 recorded sales and recent sales of comparable homes in CF10 3EZ. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Where sold prices come from
Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 5 sales are recorded for 23 Lock Keepers Court. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
Reading the EPC
Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 23 Lock Keepers Court was lodged in October 2019 at band B and is valid until October 2029. 2 certificates are on record, which shows how the home has changed.
Planning records
Planning applications are collected from local authority registers through PlanIt. None is matched to 23 Lock Keepers Court. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
Area figures
Crime is police-recorded street-level data over the last 18 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from CF10 3EZ.
Council tax band
23 Lock Keepers Court is in council tax band E. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 23 Lock Keepers Court, Blackweir Terrace, Cardiff, CF10 3EZ. Each answer is also embedded as structured data for search engines.

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