How energy efficient is 6 Millfield Close, CF3 0BH?

The current EPC rating for 6 Millfield Close, CF3 0BH is C with a score of 71 out of 100, lodged in March 2026. It has dropped from a B recorded in December 2009. Source: EPC Register.

How big is 6 Millfield Close, CF3 0BH?

6 Millfield Close, CF3 0BH has a recorded floor area of 46 m² (495 sq ft). That makes it about 46% smaller than the median EPC-recorded property in CF3 0BH. Source: EPC Register.

What heating system does 6 Millfield Close, CF3 0BH use?

The latest EPC at 6 Millfield Close, CF3 0BH records mains gas as the main heating fuel. Source: EPC Register.

What is the council tax band for 6 Millfield Close, CF3 0BH?

6 Millfield Close, CF3 0BH is in council tax band A. That sits at the lower end of the A-H ladder, typically reflecting smaller floor areas or lower 1991 valuations.

Which area is 6 Millfield Close, CF3 0BH in?

6 Millfield Close, CF3 0BH sits in St. Mellons, Cardiff, Cardiff. It falls within the CF3 postcode district.

How safe is the area around 6 Millfield Close, CF3 0BH?

Police records around 6 Millfield Close, CF3 0BH show an average of 3 reported crimes per month over the last 13 months. Violent crime makes up roughly 48% of reports, the most common category. The overall trend is rising (210% versus the prior period). Source: Police UK.

What is the nearest station to 6 Millfield Close, CF3 0BH?

The closest bus stop to 6 Millfield Close, CF3 0BH is Brookfield Drive, 205m away. In total there are 30 bus stops within the surrounding area.

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6 Millfield Close, St Mellons, Cardiff, CF3 0BH

Property type

Detached

Floor 02

Habitable rooms

From EPC

Floor area

46 m²

495 sq ft

Energy rating

Score 71

Council tax

Band A

Tenure

Social Rental

Overview

About 6 Millfield Close

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

6 Millfield Close is a detached house in St. Mellons, Cardiff, Cardiff (CF3 0BH). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (March 2026) shows a C (score 71). Earlier certificates rated it B (December 2009); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Good; while roof efficiency dropped from Good to Average and window efficiency dropped from Good to Poor. This certificate was lodged in the last six months, so the rating reflects current condition. At 46 m² this is the 2nd smallest of 19 units on EPC record in the building, where floor areas span 41–97 m². The building's EPC ratings span D to B across 19 units on file.

At 46 m² it sits well below the postcode median (82 m² across 18 EPCs), making it one of the more compact homes locally.

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Energy

Energy performance

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

The EPC has just been inspected, so the rating reflects current condition.

Current Certificate(1 of 2)

Mar 2026

EPC Rating

C71

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Poor

CO2 Emissions

1.6 t/year

Occupancy

Rented

Property Improvements

Changes detected from historical EPC data

Mar 2026from Dec 2009

EPC improved fromB81toC71

Heating Controls

FullProg + TRVs

Heating controls changed

Hot Water

Very GoodGood

Hot water efficiency decreased

Low Energy Lighting

0%100%

More low energy lighting installed

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Level 2 HomeBuyer Report

Late 20th century2nd Floor FlatEPC C

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Planning

Planning history

Applications and permits filed against 6 Millfield Close, St Mellons, Cardiff, CF3 0BH, sourced from the PlanIt planning register.

6 Millfield Close 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.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

6 Millfield Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£122,000

Modelled from EPC, postcode comparables.

See how we calculated this

No sales recorded with HM Land Registry

That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.

Median price across the last 5 sales in CF3 0BH: £126,500 (2020–2016).

Nearby sales in CF3 0BH

On the street

Versus other Millfield Close homes

Four headline reads against 5 similar flats on this street, drawn from the latest EPC and Land Registry data.

On epc rating, 6 Millfield Close runs well behind the street norm.

EPC Rating

71 (C)

Street avg 75 (C)

Below

Floor Area

46 m²

Street avg 47 m²

Below

CO₂ Emissions

1.6 t/year

Street avg 1.5 t/year

On par

Habitable Rooms

2 rooms

Street avg 2 rooms

On par

Before you decide

Everything you need to know about 6 Millfield Close

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

Pick your report · every report is £14.99

One time fee only - money back guarantee

The data behind every report

Comparables

Similar properties nearby

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

£115k

1 Broadlands Court, St Mellons

CF3 0BZ

£142k

1 Brookfield Drive, St Mellons

CF3 0BA

£160k

1 Caspian Close, St Mellons

CF3 0BQ

£164k

1 Aspen Close, St Mellons

CF3 0BT

1 bed1 bath

£184k

1 Caerleon Close, St Mellons

CF3 0HH

£201k

1 Caraway Close, St Mellons

CF3 0NF

2 bed1 bath

£202k

1 Blaina Close, St Mellons

CF3 0EB

£204k

1 Bulrush Close, St Mellons

CF3 0AZ

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

Reported crime in the wider district is trending notably upward year-on-year.

Crime

3/mo

Rising year-on-year across the wider district.

Nearest stop

0.2 km

Brookfield Drive — bus stop.

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 6 Millfield Close, St Mellons, Cardiff, CF3 0BH. Each answer is also embedded as structured data for search engines.