What type of property is 31 Allen Close, CF3 5DH?

31 Allen Close, CF3 5DH is a 4-bedroom detached house.

When did 31 Allen Close, CF3 5DH last change hands?

31 Allen Close, CF3 5DH last sold for £418,500 in June 2025. Land Registry has 3 sales on record going back to £120,000 in November 1997. Source: HM Land Registry.

How has the value of 31 Allen Close, CF3 5DH changed over time?

Across 3 sales between November 1997 and June 2025, 31 Allen Close, CF3 5DH rose from £120,000 to £418,500, a change of £298,500. That works out to roughly +4.6% per year compounded over 28 years. Source: HM Land Registry.

What energy rating does 31 Allen Close, CF3 5DH have?

The current EPC rating for 31 Allen Close, CF3 5DH is C with a score of 71 out of 100, lodged in January 2024. The assessor estimates the property could reach a B. Source: EPC Register.

What is the floor area of 31 Allen Close, CF3 5DH?

31 Allen Close, CF3 5DH has a recorded floor area of 111 m² (1,195 sq ft), around 28 m² per bedroom. That makes it about 29% larger than the median EPC-recorded property in CF3 5DH. Source: EPC Register.

How is 31 Allen Close, CF3 5DH heated?

The latest EPC at 31 Allen Close, CF3 5DH records mains gas as the main heating fuel. Source: EPC Register.

What council tax band is 31 Allen Close, CF3 5DH?

31 Allen Close, CF3 5DH is in council tax band F. That sits towards the upper end of the band ladder, typically reflecting larger or higher-value homes.

Where is 31 Allen Close, CF3 5DH located?

31 Allen Close, CF3 5DH sits in Old St. Mellons, Cardiff, Cardiff. It falls within the CF3 postcode district.

Is 31 Allen Close, CF3 5DH in a safe area?

Police records around 31 Allen Close, CF3 5DH 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 31 Allen Close, CF3 5DH?

The closest bus stop to 31 Allen Close, CF3 5DH is Llaneirwg Way, 176m away. In total there are 30 bus stops within the surrounding area.

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31 Allen Close, Old St Mellons, Cardiff, CF3 5DH

3 sales on record

Property type

Detached

Bedrooms

Bathrooms

Floor area

111 m²

1195 sq ft

Energy rating

Score 71

Council tax

Band F

Tenure

Owner Occupied

Overview

About 31 Allen Close

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

31 Allen Close is a four-bedroom detached house in Old St. Mellons, Cardiff, Cardiff (CF3 5DH). It has a recorded floor area of 111 m² (around 1195 sq ft), construction records dating it to 1991-1995 and council tax band F. The latest certificate (January 2024) shows a C (score 71). The rating has held steady at C across 2 certificates since September 2010. Between certificates, window efficiency went from Average to Good; while lighting dropped from Very Good to Good. The recommended improvements would push it to B (score 84).

Most recent transfer was June 2025 at £418,500 — fresh data. At 111 m² it's 23.3% larger than the typical home in the postcode (90 m² median across 24 EPCs). Across 1997–2025, sale prices on this property compounded at 4.6% per year. Today's modelled estimate of £463,000 is 10.6% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£350/sq ft) was about 149.5% 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
EnsuiteYes

Outside

Private gardenYes
GarageYes

Before you decide

Everything you need to know about 31 Allen Close

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.

Current Certificate(1 of 2)

Jan 2024

EPC Rating

C71

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Good

CO2 Emissions

3.4 t/year

Occupancy

Owner Occupied

Property Improvements

Changes detected from historical EPC data

Jan 2024from Sept 2010

Windows

AverageGood

Window efficiency improved

Low Energy Lighting

91%50%

Low energy lighting percentage decreased

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Level 2 HomeBuyer Report

Late 20th centuryDetached 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.

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Planning

Planning history

Applications and permits filed against 31 Allen Close, Old St Mellons, Cardiff, CF3 5DH, sourced from the PlanIt planning register.

31 Allen Close has no planning applications on record.

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

Price

Sales history & valuation

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

31 Allen Close has more than tripled in price since its earliest registered sale in 1997.

Current estimate

£463,000

Modelled from EPC, postcode comparables and a sale-price growth of 4.6% per year over 28 years.

See how we calculated this

Last sold (2025)

£418,500

Growth on file: 4.6% per year over 28 years.

Sales timeline

29 June 2025Most recent
£418,500
+149.9%over 22 years
1 August 2002
£167,500
+39.6%over 4 years
24 November 1997
£120,000

Median price across the last 5 sales in CF3 5DH: £248,000 (2024–2020).

Nearby sales in CF3 5DH

On the street

Versus other Allen Close homes

Four headline reads against 24 similar houses on this street, drawn from the latest EPC and Land Registry data.

31 Allen Close is notably below the street on years held.

Price per m²

£3,770

Street avg £2,259

Strongly above

Floor Area

111 m²

Street avg 99 m²

On par

Habitable Rooms

6 rooms

Street avg 6 rooms

Above

CO₂ Emissions

3.4 t/year

Street avg 3.7 t/year

Above

Before you decide

Everything you need to know about 31 Allen 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.

£596k

1 Courtenay Close, Old St Mellons

CF3 5UL

4 bed2 bath

£444k

1 Clos Hendre Gadno, Old St Mellons

CF3 5UJ

5 bed3 bath

£426k

1 Chapel Row Lane, Old St Mellons

CF3 5ST

3 bed

£274k

1 Brendon Close, Llanrumney

CF3 5RJ

3 bed1 bath

£265k

1 Axbridge Crescent, Llanrumney

CF3 5TJ

3 bed

£196k

1 Banwell Place, Llanrumney

CF3 5SH

3 bed

£195k

1 Bronte Close, Llanrumney

CF3 5PN

3 bed

£150k

1 Bluebell Drive

CF3 5RA

3 bed

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

Llaneirwg Way — 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 31 Allen Close, Old St Mellons, Cardiff, CF3 5DH. Each answer is also embedded as structured data for search engines.