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4 Parc Castell Y Mynach, Creigiau, Cardiff, CF15 9NU

Estimated value

£515,000

  • Since the 2003 sale (£231,000)+123%
  • Against CF15 9NU's recent median (£470,000)+10%

Newest record on this page: July 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
Habitable rooms
6
From EPC
Floor area
181 m²
1948 sq ft
Energy rating
D
Score 66
Council tax
Band G
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

£515,000

  • Against its 2003 sale (£231,000)+123%
  • Against CF15 9NU's recent median (£470,000)+10%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 4 Parc Castell Y Mynach is modelled from its 181 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF15 9NU. 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

    181 m² from the EPC lodged in January 2014

  • Sales of this home

    1 sale recorded, the latest in 2003

  • Recent sales in CF15 9NU

    5 sales, median £470,000 (2025–2022)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: July 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.

4 Parc Castell Y Mynach valuation sits well clear of the typical sold price in this postcode.

Sales timeline

  1. 7 August 2003Most recent

    £231,000

Median price across the last 5 sales in CF15 9NU: £470,000 (2025–2022).

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 4 Parc Castell Y Mynach

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

4 Parc Castell Y Mynach is a detached house in Creigiau, Cardiff, Cardiff (CF15 9NU). It has a recorded floor area of 181 m² (around 1948 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (January 2014) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in January 2014 the rating was E, the property has climbed 1 band since. Between certificates, main heating went from Average to Good; while roof efficiency dropped from Very Good to Very Poor. The recommended improvements would push it to C (score 77). The latest certificate is from January 2014, so improvements made since then won't be reflected.

It hasn't traded since August 2003, a hold of 23 years that's notably long for the area. At 181 m² the property is well over the postcode median (120 m² across 19 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £515,000 sits 122.9% above the 2003 sale of £231,000. On a £-per-square-foot basis, the last sale (£119/sq ft) was about 46.6% below the postcode norm.

Before you decide

Everything you need to know about 4 Parc Castell Y Mynach

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.

4 Parc Castell Y Mynach'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 21 Jan 2024

Current Certificate(1 of 2)
Jan 2014

EPC Rating

A
B
C
D
D66
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Average
Windows
Good
CO2 Emissions
6.2 t/year
Occupancy
Owner Occupied

Certificate validity

Expired on 21 January 2024

New assessment needed to sell or let

Property Improvements

Changes detected from historical EPC data

Jan 2014from Jan 2014
EPC improved fromE53toD66
Hot Water
Main SystemMain (No Stat)

Hot water system changed

Planning

Planning history

Applications and permits filed against 4 Parc Castell Y Mynach, Creigiau, Cardiff, CF15 9NU, sourced from the PlanIt planning register.

4 Parc Castell Y Mynach has no planning applications on record.

A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.

On the street

Versus other Parc Castell Y Mynach homes

Four headline reads against 19 similar houses on this street, drawn from the latest EPC and Land Registry data.

4 Parc Castell Y Mynach outperforms the street on years held by a wide margin.

Price per m²

£1,276

Street avg £2,845

Strongly below

Floor Area

181 m²

Street avg 127 m²

Above

Habitable Rooms

6 rooms

Street avg 6 rooms

On par

CO₂ Emissions

6.2 t/year

Street avg 4.7 t/year

Strongly 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

85/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Tregarth Lodge — bus stop.

Nearest stops

  • Tregarth LodgeBus stop92m
  • Creigiau InnBus stop199m
  • Creigiau InnBus stop200m
  • Creigiau InnBus stop255m

Most reported crime locally

  • Violence & Sexual Offences366 reports33%
  • Anti-social Behaviour150 reports14%
  • Public Order141 reports13%
  • Shoplifting104 reports9%

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

Mid 20th centuryDetached HouseEPC DExtended multiple times (2+ extensions)

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

From £1,085 · 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.
£507k

1 Crib Y Lan, Gwaelod Y Garth

CF15 9LA

4 bed
£531k

1 Brodeg, Pentyrch

CF15 9TF

5 bed2 bath
£548k

1 Bryn Yr Eglwys, Pentyrch

CF15 9QW

4 bed2 bath
£481k

1 Crib Y Llan Cottages, Gwaelod Y Garth

CF15 9JJ

£470k

1 Bryn Siriol, Pentyrch

CF15 9QU

3 bed
£468k

1 Dol Y Felin, Creigiau

CF15 9SN

4 bed
£569k

1 Bryn Briallu, Creigiau

CF15 9PR

£572k

1 Clawdd Shon Cottages, Temperance Road, Pentyrch

CF15 9PU

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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 4 Parc Castell Y Mynach is modelled from its 181 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF15 9NU. 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. 1 sale is recorded for 4 Parc Castell Y Mynach. 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 4 Parc Castell Y Mynach was lodged in January 2014 at band D and expired in January 2024, so a new one is needed to sell or let. 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 4 Parc Castell Y Mynach. 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 13 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from CF15 9NU.
Council tax band
4 Parc Castell Y Mynach is in council tax band G. 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 4 Parc Castell Y Mynach, Creigiau, Cardiff, CF15 9NU. Each answer is also embedded as structured data for search engines.

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