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

Property type
Semi-detached
Bedrooms
2
Bathroom
1
Floor area
63 m²
678 sq ft
Energy rating
D
Score 63
Council tax
Band D
Tenure
Owner Occupied
Overview

About 21 Clos Cwm Du

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

21 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 (May 2015) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 88), a 2-band jump. The latest certificate is from May 2015, so improvements made since then won't be reflected.

At 63 m² it sits well below the postcode median (95 m² across 17 EPCs), making it one of the more compact homes locally. Across 2000–2016, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £250,000 is 33% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£277/sq ft) was about 46.1% above the typical sold price in the postcode. 10 years since the last transfer (January 2016).

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 21 Clos Cwm Du

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

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.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 11 May 2025

EPC Rating

A
B
C
D
D63
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Average
Windows
Good
CO2 Emissions
3.0 t/year
Occupancy
Owner Occupied
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

Planning

Planning history

Applications and permits filed against 21 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE, sourced from the PlanIt planning register.

21 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.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

Sale price has at least doubled since 2000.

Current estimate

£250,000

Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 16 years.

See how we calculated this
Last sold (2016)

£188,000

Growth on file: 6.2% per year over 16 years.

Sales timeline

  1. 7 January 2016Most recent

    £188,000

    +157.7%over 15 years

  2. 19 April 2000

    £72,950

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

On the street

Versus other Clos Cwm Du homes

Four headline reads against 17 similar houses on this street, drawn from the latest EPC and Land Registry data.

21 Clos Cwm Du is notably below the street on habitable rooms.

Price per m²

£2,984

Street avg £2,555

Above

Floor Area

63 m²

Street avg 99 m²

Strongly below

Habitable Rooms

3 rooms

Street avg 6 rooms

Strongly below

CO₂ Emissions

3.0 t/year

Street avg 3.9 t/year

Above
Before you decide

Everything you need to know about 21 Clos Cwm Du

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

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
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
£269k

1 Butterfield Drive, Pontprennau

CF23 8NE

3 bed
£287k

1 Amber Close, Pontprennau

CF23 8AW

3 bed1 bath
£295k

1 Amblecote Close, Pontprennau

CF23 8BY

3 bed
£324k

1 Amberwood Close, Pontprennau

CF23 8BZ

3 bed
£334k

1 Clos Dol Heulog, Pontprennau

CF23 8AT

3 bed
£339k

1 Clos Alyn, Pontprennau

CF23 8LB

3 bed
£353k

1 Blackberry Way, Pontprennau

CF23 8FE

4 bed2 bath
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

Reported crime in the wider district is trending notably upward year-on-year.

Crime

9/mo

Rising year-on-year across the wider district.

Nearest stop

0.1 km

Clos Cwm Du — bus stop.

Go deeper on the local area

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

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 21 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE. Each answer is also embedded as structured data for search engines.