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23 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE

Estimated value

£298,000

  • Since the 2025 sale (£280,000)+6%
  • Against CF23 8LE's recent median (£335,000)-11%

Newest record on this page: November 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Semi-detached
Bedrooms
2
Bathroom
1
Floor area
63 m²
678 sq ft
Energy rating
D
Score 65
Council tax
Band D
Tenure
Private Rental
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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

£298,000

  • Against its 2025 sale (£280,000)+6%
  • Against CF23 8LE's recent median (£335,000)-11%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 23 Clos Cwm Du is modelled from its 63 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF23 8LE. 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

    63 m² from the EPC lodged in April 2024

  • Sales of this home

    2 sales recorded, the latest in 2025

  • Recent sales in CF23 8LE

    5 sales, median £335,000 (2023–2018)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: November 2025Latest 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.

Price for 23 Clos Cwm Du has grown more than fourfold since the 1996 starting point.

Sales timeline

  1. 28 November 2025Most recent

    £280,000

    +409.6%over 29 years

  2. 18 April 1996

    £54,950

Median price across the last 5 sales in CF23 8LE: £335,000 (2023–2018).

Risks

What this page doesn't show

Nothing is flagged from the data on this page, but these checks are only run in the report. The detail, evidence and what to ask about it are in the Risks 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 Clos Cwm Du

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

23 Clos Cwm Du is a two-bedroom semi-detached house in Pontprennau, Cardiff, Cardiff (CF23 8LE). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1991-1995 and council tax band D. The latest certificate (April 2024) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since December 2013. Between certificates, roof efficiency went from Good to Very Good and lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 89), a 2-band jump.

A recent sale: £280,000 in November 2025. At 63 m² it sits well below the postcode median (94 m² across 18 EPCs), making it one of the more compact homes locally. Across 1996–2025, sale prices on this property compounded at 5.7% per year. On a £-per-square-foot basis, the last sale (£413/sq ft) was about 124.7% 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
  • Bathrooms1
Before you decide

Everything you need to know about 23 Clos Cwm Du

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

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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.

Recommended upgrades on file would lift this property by multiple EPC bands.

Current Certificate(1 of 2)
Apr 2024

EPC Rating

A
B
C
D
D65
E
F
G
Main Heating
—
Main Fuel
Gas
Hot Water
Average
Windows
Average
CO2 Emissions
2.8 t/year
Occupancy
Rented

Certificate validity

Valid until 17 April 2034

7 years remaining

Property Improvements

Changes detected from historical EPC data

Apr 2024from Dec 2013
Heating Controls
Prog + StatThermostat

Heating controls changed

Roof
GoodVery Good

Roof insulation improved

Low Energy Lighting
0%86%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 23 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE, sourced from the PlanIt planning register.

23 Clos Cwm Du has no planning applications on record.

1

But the area is active

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

On the street

Versus other Clos Cwm Du homes

Four headline reads against 18 similar houses on this street, drawn from the latest EPC and Land Registry data.

On years held, 23 Clos Cwm Du runs well behind the street norm.

Price per m²

£4,444

Street avg £2,612

Strongly above

Floor Area

63 m²

Street avg 98 m²

Strongly below

Habitable Rooms

4 rooms

Street avg 6 rooms

Strongly below

CO₂ Emissions

2.8 t/year

Street avg 3.8 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

169/mo

Falling year-on-year across the wider district.

Nearest stop

0.1 km

Clos Cwm Du — bus stop.

Nearest stops

  • Clos Cwm DuBus stop76m
  • Sindercombe ClBus stop230m
  • Pontprennau Community CentreBus stop259m
  • The FarthingsBus stop377m

Most reported crime locally

  • Violence & Sexual Offences995 reports33%
  • Anti-social Behaviour345 reports11%
  • Public Order344 reports11%
  • Shoplifting340 reports11%

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 2 HomeBuyer Report

Late 20th centurySemi-Detached HouseEPC D

We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.

From £545 · 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.
£225k

1 Almond Drive, Pontprennau

CF23 8HD

2 bed1 bath
£294k

1 Amber Close, Pontprennau

CF23 8AW

3 bed1 bath
£306k

1 Amblecote Close, Pontprennau

CF23 8BY

3 bed
£321k

1 Clos Alyn, Pontprennau

CF23 8LB

3 bed
£273k

1 Butterfield Drive, Pontprennau

CF23 8NE

3 bed
£327k

1 Amberwood Close, Pontprennau

CF23 8BZ

3 bed
£363k

1 Clos Dol Heulog, Pontprennau

CF23 8AT

3 bed
£381k

1 Blackberry Way, Pontprennau

CF23 8FE

4 bed2 bath

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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 Clos Cwm Du is modelled from its 63 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF23 8LE. 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. 2 sales are recorded for 23 Clos Cwm Du. 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 Clos Cwm Du was lodged in April 2024 at band D and is valid until April 2034. 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 Clos Cwm Du. 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 CF23 8LE.
Council tax band
23 Clos Cwm Du is in council tax band D. 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 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE. Each answer is also embedded as structured data for search engines.

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