What kind of home is 4 Courtenay Close, CF3 5UL?

4 Courtenay Close, CF3 5UL is a 5-bedroom detached house, set on a cul-de-sac and which has been extended.

What did 4 Courtenay Close, CF3 5UL sell for?

4 Courtenay Close, CF3 5UL last sold for £142,532 in February 2025, around 2 years ago. Land Registry has 3 sales on record going back to £179,950 in November 1999. Source: HM Land Registry.

What is the price history for 4 Courtenay Close, CF3 5UL?

Across 3 sales between November 1999 and February 2025, 4 Courtenay Close, CF3 5UL fell from £179,950 to £142,532, a change of £37,418. That works out to roughly -0.9% per year compounded over 25 years. Source: HM Land Registry.

What energy rating does 4 Courtenay Close, CF3 5UL have?

The current EPC rating for 4 Courtenay Close, CF3 5UL is C with a score of 71 out of 100, lodged in November 2018. It has improved from a D recorded in January 2014. Source: EPC Register.

How big is 4 Courtenay Close, CF3 5UL?

4 Courtenay Close, CF3 5UL has a recorded floor area of 190 m² (2,045 sq ft), around 38 m² per bedroom. That makes it about 19% larger than the median EPC-recorded property in CF3 5UL. Source: EPC Register.

What heating system does 4 Courtenay Close, CF3 5UL use?

The latest EPC at 4 Courtenay Close, CF3 5UL records mains gas as the main heating fuel. Source: EPC Register.

What planning history does 4 Courtenay Close, CF3 5UL have?

4 Courtenay Close, CF3 5UL has council approval for side and rear extension granted in October 2019 under ref. 19/02040/DCH. Source: PlanIt planning register.

What is the council tax band for 4 Courtenay Close, CF3 5UL?

4 Courtenay Close, CF3 5UL is in council tax band H. That sits towards the upper end of the band ladder, typically reflecting larger or higher-value homes.

Which area is 4 Courtenay Close, CF3 5UL in?

4 Courtenay Close, CF3 5UL sits in Old St. Mellons, Cardiff, Cardiff. It falls within the CF3 postcode district.

How safe is the area around 4 Courtenay Close, CF3 5UL?

Police records around 4 Courtenay Close, CF3 5UL 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 is the nearest station to 4 Courtenay Close, CF3 5UL?

The closest bus stop to 4 Courtenay Close, CF3 5UL is Bluebell Inn, 153m away. In total there are 30 bus stops within the surrounding area.

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4 Courtenay Close, Old St Mellons, Cardiff, CF3 5UL

3 sales on record1 planning record

Property type

Detached

Bedrooms

Bathrooms

Floor area

190 m²

2045 sq ft

Energy rating

Score 71

Council tax

Band H

Tenure

Owner Occupied

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Overview

About 4 Courtenay Close

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

4 Courtenay Close is a five-bedroom detached house in Old St. Mellons, Cardiff, Cardiff (CF3 5UL). It has a recorded floor area of 190 m² (around 2045 sq ft), construction records dating it to 1996-2002 and council tax band H. The latest certificate (November 2018) shows a C (score 71). When first surveyed in January 2014 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Good to Very Good and lighting went from Average to Good; while roof efficiency dropped from Good to Average. Records show the property has been extended at some point in its history. The home occupies a cul-de-sac position.

Across 1999–2025, sale prices on this property compounded at -0.9% per year. Today's modelled estimate of £472,000 sits 231.2% above the 2025 sale of £142,532. On a £-per-square-foot basis, the last sale (£70/sq ft) was about 66.1% below the postcode norm. One planning record on file: an extension approved in 2019. Past consents include an extension, meaningful when judging how the property has evolved. At 190 m² it's 18.8% larger than the typical home in the postcode (160 m² median across 3 EPCs). 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. Last sale on file: £142,532 in February 2025.

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

Bedrooms5
Bathrooms5
Open-plan layoutYes
Dining roomYes
EnsuiteYes

Outside

DrivewayYes
Cul-de-sacYes

Building

Previously extendedYes

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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.

Current Certificate(1 of 2)

Nov 2018

EPC Rating

C71

Main Heating

Gas

Main Fuel

Gas

Hot Water

Very Good

Windows

Average

CO2 Emissions

5.5 t/year

Occupancy

Owner Occupied

Certificate validity

Valid until 26 November 2028

2 years remaining

Property Improvements

Changes detected from historical EPC data

Nov 2018from Jan 2014

EPC improved fromD67toC71

Hot Water

GoodVery Good

Hot water efficiency improved

Low Energy Lighting

25%53%

More low energy lighting installed

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Late 20th centuryDetached HouseEPC C

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Planning

Planning history

Applications and permits filed against 4 Courtenay Close, Old St Mellons, Cardiff, CF3 5UL, sourced from the PlanIt planning register.

4 Courtenay Close has an approved side and rear extension on the planning record.

1 application on record at 4 Courtenay Close, Old St Mellons, Cardiff, CF3 5UL

1decisions1extensions40documents

Oct 2019
ExtensionFull
Outcome in report
Extension: Side and rear of property
PROPOSED FIRST FLOOR EXTENSION OVER EXISTING GARAGE AND TWO STOREY SIDE / REAR EXTENSION
Documents
40 docs on file
Reference
19/02040/DCH
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Unlock 4 Courtenay Close, Old St Mellons, Cardiff, CF3 5UL's full planning history

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Every decision — granted, refused or withdrawn (1 on record)
All 1 application on this property in full
The 40 documents, officer reports & conditions
What the pattern means for extending or converting here

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Price

Sales history & valuation

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

Latest sale on 4 Courtenay Close was the lowest on Land Registry record across the postcode.

Current estimate

£472,000

Modelled from EPC, postcode comparables and a sale-price growth of -0.9% per year over 25 years.

See how we calculated this

Last sold (2025)

£142,532

Growth on file: -0.9% per year over 25 years.

Sales timeline

5 February 2025Most recent
£142,532
-66.5%over 10 years
10 April 2014
£425,000
+136.2%over 14 years
3 November 1999
£179,950

Median price across the last 5 sales in CF3 5UL: £445,000 (2021–2013).

Nearby sales in CF3 5UL

On the street

Versus other Courtenay Close homes

Four headline reads against 3 similar houses on this street, drawn from the latest EPC and Land Registry data.

4 Courtenay Close is notably below the street on price per m².

Price per m²

£750

Street avg £2,656

Strongly below

Floor Area

190 m²

Street avg 183 m²

Above

Habitable Rooms

7 rooms

Street avg 8 rooms

Strongly below

CO₂ Emissions

5.5 t/year

Street avg 5.6 t/year

Above

Before you decide

Everything you need to know about 4 Courtenay Close

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

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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.

£472k

1 Clos Hendre Gadno, Old St Mellons

CF3 5UJ

5 bed3 bath

£538k

1 Courtenay Close, Old St Mellons

CF3 5UL

4 bed2 bath

£443k

1 Chapel Row Lane, Old St Mellons

CF3 5ST

3 bed

£269k

1 Axbridge Crescent, Llanrumney

CF3 5TJ

3 bed

£264k

1 Brendon Close, Llanrumney

CF3 5RJ

3 bed1 bath

£200k

1 Bronte Close, Llanrumney

CF3 5PN

3 bed

£197k

1 Banwell Place, Llanrumney

CF3 5SH

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

Crime

242/mo

Falling year-on-year across the wider district.

Nearest stop

0.2 km

Bluebell Inn — 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 4 Courtenay Close, Old St Mellons, Cardiff, CF3 5UL. Each answer is also embedded as structured data for search engines.