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21 Clos Nant Mwlan, Pontprennau, Cardiff, CF23 8NA

Property type
Detached
Bedrooms
4
Bathrooms
2
Floor area
103 m²
1109 sq ft
Energy rating
D
Score 60
Council tax
Band F
Tenure
Owner Occupied
Overview

About 21 Clos Nant Mwlan

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

21 Clos Nant Mwlan is a four-bedroom detached house in Pontprennau, Cardiff, Cardiff (CF23 8NA). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (October 2019) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 80).

Today's modelled estimate of £431,000 is 43.7% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£271/sq ft) was about 44.8% above the typical sold price in the postcode. Sold March 2020 for £300,000.

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

  • Bedrooms4
  • Bathrooms2
  • Dining roomYes
  • Utility roomYes
  • EnsuiteYes

Outside

  • Private gardenRear
  • GarageYes

Building

  • RefurbishedYes
Before you decide

Everything you need to know about 21 Clos Nant Mwlan

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

Pick your report · every report is £14.99

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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.

EPC Rating

A
B
C
D
D60
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
4.7 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Late 20th centuryDetached 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 £695 · Includes VAT

Planning

Planning history

Applications and permits filed against 21 Clos Nant Mwlan, Pontprennau, Cardiff, CF23 8NA, sourced from the PlanIt planning register.

21 Clos Nant Mwlan 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.

The latest sale landed in the post-pandemic price surge — useful context when reading the figure.

Current estimate

£431,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2020)

£300,000

Recorded with HM Land Registry.

Sales timeline

  1. 5 March 2020Most recent

    £300,000

Median price across the last 5 sales in CF23 8NA: £370,000 (2025–2024).

On the street

Versus other Clos Nant Mwlan homes

Four headline reads against 23 similar houses on this street, drawn from the latest EPC and Land Registry data.

On co₂ emissions, 21 Clos Nant Mwlan runs well behind the street norm.

Price per m²

£2,913

Street avg £2,709

On par

Floor Area

103 m²

Street avg 99 m²

Above

Habitable Rooms

7 rooms

Street avg 6 rooms

Above

CO₂ Emissions

4.7 t/year

Street avg 3.8 t/year

Strongly below
Before you decide

Everything you need to know about 21 Clos Nant Mwlan

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.
£434k

1 Clos Nant Y Cwm, Pontprennau

CF23 8LG

4 bed2 bath
£426k

1 Allt Y Wennol, Pontprennau

CF23 8AS

4 bed2 bath
£468k

1 Acorn Grove, Pontprennau

CF23 8NG

4 bed2 bath
£394k

1 Clos Nant Mwlan, Pontprennau

CF23 8NA

4 bed2 bath
£353k

1 Blackberry Way, Pontprennau

CF23 8FE

4 bed2 bath
£339k

1 Clos Alyn, Pontprennau

CF23 8LB

3 bed
£334k

1 Clos Dol Heulog, Pontprennau

CF23 8AT

3 bed
£324k

1 Amberwood Close, Pontprennau

CF23 8BZ

3 bed
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

0.2 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 Nant Mwlan, Pontprennau, Cardiff, CF23 8NA. Each answer is also embedded as structured data for search engines.