What type of property is 10 Clos Thomas, CF3 6YR?

10 Clos Thomas, CF3 6YR is a semi-detached house.

What did 10 Clos Thomas, CF3 6YR sell for?

10 Clos Thomas, CF3 6YR last sold for £224,995 in December 2020, around 6 years ago. Source: HM Land Registry.

What is the EPC rating for 10 Clos Thomas, CF3 6YR?

The current EPC rating for 10 Clos Thomas, CF3 6YR is B with a score of 84 out of 100, lodged in November 2020. The assessor estimates the property could reach a A. Source: EPC Register.

What is the floor area of 10 Clos Thomas, CF3 6YR?

10 Clos Thomas, CF3 6YR has a recorded floor area of 94 m² (1,012 sq ft). That makes it about 21% larger than the median EPC-recorded property in CF3 6YR. Source: EPC Register.

How is 10 Clos Thomas, CF3 6YR heated?

The latest EPC at 10 Clos Thomas, CF3 6YR records gas: mains gas as the main heating fuel. Source: EPC Register.

Where is 10 Clos Thomas, CF3 6YR located?

10 Clos Thomas, CF3 6YR sits in Old St. Mellons, Cardiff, Cardiff. It falls within the CF3 postcode district.

What is crime like near 10 Clos Thomas, CF3 6YR?

Police records around 10 Clos Thomas, CF3 6YR show an average of 242 reported crimes per month over the last 18 months. Violent crime makes up roughly 36% of reports, the most common category. The overall trend is falling (22% versus the prior period). Source: Police UK.

What transport links are near 10 Clos Thomas, CF3 6YR?

The closest bus stop to 10 Clos Thomas, CF3 6YR is Rogers Avenue, 192m away. In total there are 30 bus stops within the surrounding area.

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10 Clos Thomas, Old St Mellons, Cardiff, CF3 6YR

EPC B

Estimated value

£295,000

Since the 2020 sale (£224,995)+31%
Against CF3 6YR's recent median (£330,000)-11%

Newest record on this page: February 2026. 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

Floor area

94 m²

1012 sq ft

Energy rating

Score 84

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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

£295,000

Against its 2020 sale (£224,995)+31%
Against CF3 6YR's recent median (£330,000)-11%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 10 Clos Thomas is modelled from its 94 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF3 6YR. 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
94 m² from the EPC lodged in November 2020
Sales of this home
1 sale recorded, the latest in 2020
Recent sales in CF3 6YR
5 sales, median £330,000 (2026–2025)

This page or the full report?

Data	This page	Full report
Sales	Latest sale shown: February 2026	Latest available records, read when you order
Valuation	Estimate from the last refresh	Analysed against comparable sales
Planning	None on this home	Full history, plus nearby schemes
Flood risk	Not shown	Included

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 landed in the post-pandemic price surge — useful context when reading the figure.

Sales timeline

3 December 2020Most recent
£224,995

Median price across the last 5 sales in CF3 6YR: £330,000 (2026–2025).

Nearby sales in CF3 6YR

Risks

What this page doesn't show

1 potential issue has already been flagged for 10 Clos Thomas, Old St Mellons, Cardiff, CF3 6YR. 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 10 Clos Thomas

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

10 Clos Thomas is a semi-detached house in Old St. Mellons, Cardiff, Cardiff (CF3 6YR). It has a recorded floor area of 94 m² (around 1012 sq ft). The latest certificate (November 2020) returns a B (score 84), comfortably above the UK average. The recommended improvements would push it to A (score 94).

At 94 m² it's 20.5% larger than the typical home in the postcode (78 m² median across 44 EPCs). Today's modelled estimate of £295,000 is 31.1% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£222/sq ft) was about 25.7% below the postcode norm. Most recent transfer: December 2020 at £224,995.

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Everything you need to know about 10 Clos Thomas

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

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The data behind every report

Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

10 Clos Thomas's carbon output is low for the local stock.

Current Certificate

Nov 2020

EPC Rating

B84

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Very Good

CO2 Emissions

1.4 t/year

Occupancy

—

Certificate validity

Valid until 5 November 2030

3 years remaining

Planning

Planning history

Applications and permits filed against 10 Clos Thomas, Old St Mellons, Cardiff, CF3 6YR, sourced from the PlanIt planning register.

10 Clos Thomas has no planning applications on record.

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 Thomas homes

Four headline reads against 44 similar houses on this street, drawn from the latest EPC and Land Registry data.

10 Clos Thomas is notably below the street on price per m².

Price per m²

£2,394

Street avg £3,319

Strongly below

Floor Area

94 m²

Street avg 87 m²

Above

CO₂ Emissions

1.4 t/year

Street avg 1.4 t/year

On par

Years Held

6 years

Street avg 5 years

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

0.2 km

Rogers Avenue — bus stop.

Nearest stops

Rogers AvenueBus stop192m
Mortimer AvenueBus stop250m
Heol Booths 3Bus stop363m
Heol Booths 2Bus stop395m

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.

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Semi-Detached HouseEPC B

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Comparables

Similar properties nearby

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

£296k

1 Bridge Terrace, Michaelston Y Fedw

CF3 6YZ

3 bed

£294k

1 Druidstone House, Druidstone Road, Old St Mellons

CF3 6XF

2 bed1 bath

£302k

1 Potter Street, Old St Mellons

CF3 6AR

3 bed2 bath

£280k

1 Lewis Crescent, Old St Mellons

CF3 6YQ

£311k

1 Heol Swatridge, Old St Mellons

CF3 6AP

3 bed2 bath

£278k

1 Ffordd Crabtree, Old St Mellons

CF3 6AN

£273k

1 Rhodfa Price, Old St Mellons

CF3 6BD

£271k

1 Clos Grehan, Old St Mellons

CF3 6BF

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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 10 Clos Thomas is modelled from its 94 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF3 6YR. 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 10 Clos Thomas. 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 10 Clos Thomas was lodged in November 2020 at band B and is valid until November 2030. 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 10 Clos Thomas. 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 6YR.

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 10 Clos Thomas, Old St Mellons, Cardiff, CF3 6YR. Each answer is also embedded as structured data for search engines.

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