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42 Mill Road, Tongwynlais, Cardiff, CF15 7JP

3 sales on record

Estimated value

£461,000

  • Since the 2025 sale (£447,500)+3%
  • Against CF15 7JP's recent median (£271,000)+70%

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

Learn about this valuation
Property type
Semi-detached
Bedrooms
4
Bathrooms
2
Floor area
128 m²
1378 sq ft
Energy rating
C
Score 73
Council tax
Band D
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

£461,000

  • Against its 2025 sale (£447,500)+3%
  • Against CF15 7JP's recent median (£271,000)+70%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 42 Mill Road is modelled from its 128 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in CF15 7JP. 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

    128 m² from the EPC lodged in July 2025

  • Sales of this home

    3 sales recorded, the latest in 2025

  • Recent sales in CF15 7JP

    5 sales, median £271,000 (2024–2021)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: November 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 42 Mill Road was the highest on Land Registry record across the postcode.

Sales timeline

  1. 27 November 2025Most recent

    £447,500

    +72.1%over 7 years

  2. 21 March 2018

    £260,000

    +26.8%over 2 years

  3. 20 September 2015

    £205,000

Median price across the last 5 sales in CF15 7JP: £271,000 (2024–2021).

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 42 Mill Road

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

42 Mill Road is a four-bedroom semi-detached house in Tongwynlais, Cardiff, Cardiff (CF15 7JP). It has a recorded floor area of 128 m² (around 1378 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (July 2025) shows a C (score 73). When first surveyed in November 2010 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good and lighting went from Good to Very Good; while roof efficiency dropped from Very Good to Average and window efficiency dropped from Average to Poor.

At 128 m² the property is well over the postcode median (75 m² across 18 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 72% of similar EPCs). It changed hands recently, sold November 2025 for £447,500. Across 2015–2025, sale prices on this property compounded at 8% per year. On a £-per-square-foot basis, the last sale (£325/sq ft) was about 104.4% 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

  • Bedrooms4
  • Bathrooms2
  • Open-plan layoutYes
  • Dining roomYes

Outside

  • Private gardenSouth-facing

Building

  • Central heatingYes
Before you decide

Everything you need to know about 42 Mill Road

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.
Current Certificate(1 of 3)
Jul 2025

EPC Rating

A
B
C
C73
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
3.6 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 27 July 2035

8 years remaining

Property Improvements

Changes detected from historical EPC data

Dec 2013from Nov 2010
Heating Controls
ThermostatProg + Stat

Heating controls upgraded for better temperature management

Hot Water
Main SystemMain (No Stat)

Hot water system changed

Wall Insulation
UninsulatedInsulated Cavity

Cavity wall insulation installed

Low Energy Lighting
50%100%

More low energy lighting installed

Jul 2025from Dec 2013
EPC improved fromD64toC73
Heating Controls
Prog + StatFull

Heating controls upgraded for better temperature management

Hot Water
Main (No Stat)Main System

Hot water system upgraded

Roof Insulation
InsulatedWell Insulated

Loft insulation upgraded to recommended levels

Planning

Planning history

Applications and permits filed against 42 Mill Road, Tongwynlais, Cardiff, CF15 7JP, sourced from the PlanIt planning register.

42 Mill Road 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 Road homes

Four headline reads against 16 similar houses on this street, drawn from the latest EPC and Land Registry data.

Years Held for 42 Mill Road lags the street by a wide margin.

Price per m²

£3,496

Street avg £2,688

Above

Floor Area

128 m²

Street avg 85 m²

Strongly above

Habitable Rooms

6 rooms

Street avg 4 rooms

Strongly above

CO₂ Emissions

3.6 t/year

Street avg 4.4 t/year

On par
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

Lewis Arms — bus stop.

Nearest stops

  • Lewis ArmsBus stop65m
  • Castell Coch ViewBus stop73m
  • Bute StreetBus stop148m
  • St Michael`s CloseBus stop161m

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 2 HomeBuyer Report

Early 20th centurySemi-Detached HouseEPC C

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

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£398k

1 Clos Llewellyn, Taffs Well

CF15 7AT

4 bed2 bath
£330k

1 Bute Villa, Taffs Well

CF15 7QP

4 bed1 bath
£305k

1 Cwm Gwynlais, Tongwynlais

CF15 7HU

4 bed
£275k

1 Beechwood Road, Taffs Well

CF15 7RZ

4 bed
£469k

1 Birch Hill, Tongwynlais

CF15 7LL

5 bed3 bath
£493k

1 Cules Terrace, Taffs Well

CF15 7QJ

5 bed
£364k

1 Forest Cottage, Castle Road, Tongwynlais

CF15 7JR

3 bed1 bath
£299k

1 Bute Street, Tongwynlais

CF15 7LJ

3 bed1 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 42 Mill Road is modelled from its 128 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in CF15 7JP. 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. 3 sales are recorded for 42 Mill Road. 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 42 Mill Road was lodged in July 2025 at band C and is valid until July 2035. 3 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 42 Mill Road. 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 7JP.
Council tax band
42 Mill Road is in council tax band D. 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 42 Mill Road, Tongwynlais, Cardiff, CF15 7JP. Each answer is also embedded as structured data for search engines.

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