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23 Cefn Mably Park, Michaelston Y Fedw, Cardiff, CF3 6AA

Extendable

Estimated value

£1,055,000

  • Since the 2002 sale (£540,000)+95%
  • Against CF3 6AA's recent median (£590,000)+79%

Newest record on this page: November 2024. 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
5
Bathrooms
3
Floor area
323 m²
3477 sq ft
Energy rating
D
Score 68
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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

£1,055,000

  • Against its 2002 sale (£540,000)+95%
  • Against CF3 6AA's recent median (£590,000)+79%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 23 Cefn Mably Park is modelled from its 323 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF3 6AA. 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

    323 m² from the EPC lodged in August 2015

  • Sales of this home

    2 sales recorded, the latest in 2002

  • Recent sales in CF3 6AA

    5 sales, median £590,000 (2024–2021)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: November 2024Latest 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.

23 Cefn Mably Park changed hands twice within eighteen months — unusual for the area.

Sales timeline

  1. 1 March 2002Most recent

    £540,000

    -8.5%

  2. 13 September 2001

    £590,000

Median price across the last 5 sales in CF3 6AA: £590,000 (2024–2021).

Risks

What this page doesn't show

1 potential issue has already been flagged for 23 Cefn Mably Park, Michaelston Y Fedw, Cardiff, CF3 6AA. The detail, evidence and what to ask about it are in the Risks Report.
  • Larger development activity nearbyIn 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 Cefn Mably Park

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

23 Cefn Mably Park is a five-bedroom detached house in Michaelston-Y-Fedw, Cardiff, Cardiff (CF3 6AA). It has a recorded floor area of 323 m² (around 3477 sq ft) and construction records dating it to 1996-2002. Other recorded features include outbuildings and a basement. It has already been extended once and our model flags further extension potential, a sign of buyer flexibility. The latest certificate (August 2015) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 77). The latest certificate is from August 2015, so improvements made since then won't be reflected.

Untraded for 24 years, with the last transfer in March 2002. At 323 m² the property is well over the postcode median (199 m² across 35 EPCs), placing it in the larger end of the local stock. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. Across 2001–2002, sale prices on this property compounded at -8.5% per year. Today's modelled estimate of £1,055,000 sits 95.4% above the 2002 sale of £540,000. On a £-per-square-foot basis, the last sale (£155/sq ft) was about 28.9% below the postcode norm.

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

  • Bedrooms5
  • Bathrooms3
  • Dining roomYes
  • EnsuiteYes
  • BasementYes

Outside

  • Private gardenRear
  • GarageDouble
  • OutbuildingsYes

Building

  • Previously extendedYes
  • Extension potentialPossible
Before you decide

Everything you need to know about 23 Cefn Mably Park

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

Larger development activity nearby

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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.

23 Cefn Mably Park's carbon output runs well above what efficient homes in the postcode produce.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 04 Aug 2025

Current Certificate
Aug 2015

EPC Rating

A
B
C
D
D68
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
9.8 t/year
Occupancy
—

Certificate validity

Expired on 4 August 2025

New assessment needed to sell or let
Planning

Planning history

Applications and permits filed against 23 Cefn Mably Park, Michaelston Y Fedw, Cardiff, CF3 6AA, sourced from the PlanIt planning register.

23 Cefn Mably Park 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 Cefn Mably Park homes

Four headline reads against 26 similar houses on this street, drawn from the latest EPC and Land Registry data.

On years held, 23 Cefn Mably Park stands well clear of the street.

Price per m²

£1,672

Street avg £2,785

Strongly below

Floor Area

323 m²

Street avg 266 m²

Above

Habitable Rooms

11 rooms

Street avg 8 rooms

Strongly above

CO₂ Emissions

9.8 t/year

Street avg 8.5 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

242/mo

Falling year-on-year across the wider district.

Nearest stop

1.3 km

Cardiff Gate — bus stop.

Nearest stops

  • Cardiff GateBus stop1.3km
  • Mortimer AvenueBus stop1.4km
  • Rogers AvenueBus stop1.5km
  • Heol Booths 3Bus stop1.5km

Most reported crime locally

  • Violence & Sexual Offences1,550 reports36%
  • Anti-social Behaviour627 reports14%
  • Public Order468 reports11%
  • Criminal Damage & Arson424 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

Late 20th centuryDetached HouseEPC DDetached over 300m²Permanent outbuildings

Because the property is a large detached home over 300m² and has permanent outbuildings, we believe a Level 3 building survey should be considered.

From £1,645 · 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.
£715k

1 Minorca Cottages, Michaelston Y Fedw

CF3 6XX

5 bed
£630k

1 Tai Derwen, Cefn Mably

CF3 6XR

4 bed2 bath
£551k

1 Ruperra Close, Old St Mellons

CF3 6HX

4 bed2 bath
£1.3m

1 High Trees Court, Druidstone Road, Old St Mellons

CF3 6AZ

£368k

1 Rees Drive, Old St Mellons

CF3 6AS

3 bed2 bath
£352k

1 Began Road, Old St Mellons

CF3 6XJ

3 bed1 bath
£352k

1 Rhodfa Hughes, Old St Mellons

CF3 6YY

3 bed2 bath
£352k

1 Stryd Boyd, Old St Mellons

CF3 6YS

3 bed3 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 Cefn Mably Park is modelled from its 323 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF3 6AA. 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 Cefn Mably Park. 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 Cefn Mably Park was lodged in August 2015 at band D and expired in August 2025, so a new one is needed to sell or let. 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 23 Cefn Mably Park. 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 CF3 6AA.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 23 Cefn Mably Park, Michaelston Y Fedw, Cardiff, CF3 6AA. Each answer is also embedded as structured data for search engines.

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