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Mill Pond House, Mill Lane, Castleton, Cardiff, CF3 2UT

EPC B

Estimated value

£855,000

  • Since the 2009 sale (£499,995)+71%
  • Against CF3 2UT's recent median (£775,000)+10%

Newest record on this page: December 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
9
From EPC
Floor area
325 m²
3498 sq ft
Energy rating
B
Score 82
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

£855,000

  • Against its 2009 sale (£499,995)+71%
  • Against CF3 2UT's recent median (£775,000)+10%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for Mill Pond House is modelled from its 325 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF3 2UT. 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

    325 m² from the EPC lodged in June 2023

  • Sales of this home

    1 sale recorded, the latest in 2009

  • Recent sales in CF3 2UT

    5 sales, median £775,000 (2025–2016)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: December 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.

The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.

Sales timeline

  1. 30 September 2009Most recent

    £499,995

Median price across the last 5 sales in CF3 2UT: £775,000 (2025–2016).

Risks

What this page doesn't show

1 potential issue has already been flagged for Mill Pond House, Mill Lane, Castleton, Cardiff, CF3 2UT. 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

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Overview

About Mill Pond House

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

Mill Pond House is a detached house in Castleton, Cardiff, Cardiff (CF3 2UT). It has a recorded floor area of 325 m² (around 3498 sq ft) and construction records dating it to 2007-2011. The latest certificate (June 2023) returns a B (score 82), comfortably above the UK average.

Untraded for 17 years, with the last transfer in September 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £855,000 sits 71% above the 2009 sale of £499,995. On a £-per-square-foot basis, the last sale (£143/sq ft) was about 21.7% below the postcode norm.

Before you decide

Everything you need to know about Mill Pond House

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.

Mill Pond House ranks among the most efficient homes in the postcode for energy use.

Current Certificate
Jun 2023

EPC Rating

A
B
B82
C
D
E
F
G
Main Heating
Electric & Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
5.3 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 12 June 2033

6 years remaining
Planning

Planning history

Applications and permits filed against Mill Pond House, Mill Lane, Castleton, Cardiff, CF3 2UT, sourced from the PlanIt planning register.

Mill Pond House 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 Mill Lane homes

Four headline reads against 10 similar houses on this street, drawn from the latest EPC and Land Registry data.

Mill Pond House is notably below the street on price per m².

Price per m²

£1,538

Street avg £2,529

Strongly below

Floor Area

325 m²

Street avg 276 m²

Above

Habitable Rooms

9 rooms

Street avg 8 rooms

Above

CO₂ Emissions

5.3 t/year

Street avg 9.3 t/year

Strongly above
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

0.1 km

Coach & Horses — bus stop.

Nearest stops

  • Coach & HorsesBus stop117m
  • Castleton Old Post OfficeBus stop157m
  • Castleton RiseBus stop178m
  • Marshfield Primary SchoolBus stop548m

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

21st centuryDetached HouseEPC BDetached over 300m²

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

From £1,360 · 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.
£793k

1 Catherine Drive, Marshfield

CF3 2XB

4 bed2 bath
£933k

1 Castleton Gardens, Castleton

CF3 2WD

4 bed2 bath
£658k

1 Clos Padrig, St Mellons

CF3 2AF

5 bed3 bath
£650k

1 Church Close, Peterstone Wentlooge

CF3 2TP

£649k

1 Clos Medwy, St Mellons

CF3 2AD

4 bed3 bath
£645k

1 Marshfield Road, Castleton

CF3 2UU

£640k

1 Clos Elphan, St Mellons

CF3 2AE

4 bed
£610k

1 Cambrian Crescent, Marshfield

CF3 2TD

5 bed4 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 Mill Pond House is modelled from its 325 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF3 2UT. 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 Mill Pond House. 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 Mill Pond House was lodged in June 2023 at band B and is valid until June 2033. 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 Mill Pond House. 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 2UT.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about Mill Pond House, Mill Lane, Castleton, Cardiff, CF3 2UT. Each answer is also embedded as structured data for search engines.

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