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15 Clos Nant Ddu, Pontprennau, Cardiff, CF23 8LF

Estimated value

£423,000

  • Since the 2025 sale (£390,000)+8%
  • Against CF23 8LF's recent median (£200,000)+112%

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

Learn about this valuation
Property type
Detached
Bedrooms
3
Bathrooms
2
Floor area
100 m²
1076 sq ft
Energy rating
C
Score 70
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

£423,000

  • Against its 2025 sale (£390,000)+8%
  • Against CF23 8LF's recent median (£200,000)+112%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 15 Clos Nant Ddu is modelled from its 100 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF23 8LF. 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

    100 m² from the EPC lodged in August 2025

  • Sales of this home

    2 sales recorded, the latest in 2025

  • Recent sales in CF23 8LF

    5 sales, median £200,000 (2024–2019)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: October 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.

Latest sale on 15 Clos Nant Ddu was the highest on Land Registry record across the postcode.

Sales timeline

  1. 8 October 2025Most recent

    £390,000

    +457.1%over 30 years

  2. 29 June 1995

    £70,000

Median price across the last 5 sales in CF23 8LF: £200,000 (2024–2019).

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 15 Clos Nant Ddu

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

15 Clos Nant Ddu is a three-bedroom detached house in Pontprennau, Cardiff, Cardiff (CF23 8LF). It has a recorded floor area of 100 m² (around 1076 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (August 2025) shows a C (score 70). Records show the property has been extended at some point in its history.

At 100 m² the property is well over the postcode median (55 m² across 15 EPCs), placing it in the larger end of the local stock. A recent sale: £390,000 in October 2025. Across 1995–2025, sale prices on this property compounded at 5.8% per year. On a £-per-square-foot basis, the last sale (£362/sq ft) was about 106.3% 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

  • Bedrooms3
  • Bathrooms2
  • Open-plan layoutYes
  • Dining roomYes
  • EnsuiteYes

Outside

  • Private gardenYes
  • DrivewayYes

Building

  • Previously extendedYes
Before you decide

Everything you need to know about 15 Clos Nant Ddu

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

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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
Aug 2025

EPC Rating

A
B
C
C70
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
3.2 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 23 August 2035

8 years remaining
Planning

Planning history

Applications and permits filed against 15 Clos Nant Ddu, Pontprennau, Cardiff, CF23 8LF, sourced from the PlanIt planning register.

15 Clos Nant Ddu 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 Nant Ddu homes

Four headline reads against 15 similar houses on this street, drawn from the latest EPC and Land Registry data.

On price per m², 15 Clos Nant Ddu stands well clear of the street.

Price per m²

£3,900

Street avg £2,736

Strongly above

Floor Area

100 m²

Street avg 72 m²

Above

Habitable Rooms

6 rooms

Street avg 4 rooms

Strongly above

CO₂ Emissions

3.2 t/year

Street avg 2.6 t/year

Below
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

Pontprennau Community Centre — bus stop.

Nearest stops

  • Pontprennau Community CentreBus stop83m
  • Clos Cwm DuBus stop130m
  • Sindercombe ClBus stop166m
  • Youghal CloseBus stop235m

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 3 Building Survey

Late 20th centuryDetached HouseEPC CExtended multiple times (2+ extensions)

Because the property has been extended more than once, we believe a Level 3 building survey should be considered.

From £1,020 · 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.
£363k

1 Clos Dol Heulog, Pontprennau

CF23 8AT

3 bed
£327k

1 Amberwood Close, Pontprennau

CF23 8BZ

3 bed
£321k

1 Clos Alyn, Pontprennau

CF23 8LB

3 bed
£306k

1 Amblecote Close, Pontprennau

CF23 8BY

3 bed
£294k

1 Amber Close, Pontprennau

CF23 8AW

3 bed1 bath
£273k

1 Butterfield Drive, Pontprennau

CF23 8NE

3 bed
£417k

1 Clos Nant Y Cwm, Pontprennau

CF23 8LG

4 bed2 bath
£401k

1 Clos Nant Mwlan, Pontprennau

CF23 8NA

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 15 Clos Nant Ddu is modelled from its 100 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF23 8LF. 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 15 Clos Nant Ddu. 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 15 Clos Nant Ddu was lodged in August 2025 at band C and is valid until August 2035. Floor area, heating and insulation details on this page come from it.
Planning records
Planning applications are collected from local authority registers through PlanIt. None is matched to 15 Clos Nant Ddu. 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 8LF.
Council tax band
15 Clos Nant Ddu 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 15 Clos Nant Ddu, Pontprennau, Cardiff, CF23 8LF. Each answer is also embedded as structured data for search engines.

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