What kind of home is 4 Clos Derwen, CF23 5HJ?

4 Clos Derwen, CF23 5HJ is a 4-bedroom detached house, which has been extended.

What did 4 Clos Derwen, CF23 5HJ sell for?

4 Clos Derwen, CF23 5HJ last sold for £478,000 in April 2020, around 6 years ago. Land Registry has 3 sales on record going back to £141,550 in December 1999. Source: HM Land Registry.

How has the value of 4 Clos Derwen, CF23 5HJ changed over time?

Across 3 sales between December 1999 and April 2020, 4 Clos Derwen, CF23 5HJ rose from £141,550 to £478,000, a change of £336,450. That works out to roughly +6.2% per year compounded over 20 years. Source: HM Land Registry.

What energy rating does 4 Clos Derwen, CF23 5HJ have?

The current EPC rating for 4 Clos Derwen, CF23 5HJ is C with a score of 71 out of 100, lodged in December 2019. The assessor estimates the property could reach a B. Source: EPC Register.

How big is 4 Clos Derwen, CF23 5HJ?

4 Clos Derwen, CF23 5HJ has a recorded floor area of 170 m² (1,830 sq ft), around 43 m² per bedroom. That makes it about 49% larger than the median EPC-recorded property in CF23 5HJ. Source: EPC Register.

What heating system does 4 Clos Derwen, CF23 5HJ use?

The latest EPC at 4 Clos Derwen, CF23 5HJ records mains gas as the main heating fuel. Source: EPC Register.

What planning history does 4 Clos Derwen, CF23 5HJ have?

4 Clos Derwen, CF23 5HJ has 1 planning record on file (1 approved), most recent in November 2010. Source: PlanIt planning register.

What is the council tax band for 4 Clos Derwen, CF23 5HJ?

4 Clos Derwen, CF23 5HJ is in council tax band G. That sits towards the upper end of the band ladder, typically reflecting larger or higher-value homes.

Which area is 4 Clos Derwen, CF23 5HJ in?

4 Clos Derwen, CF23 5HJ sits in Cardiff. It falls within the CF23 postcode district.

Is 4 Clos Derwen, CF23 5HJ in a safe area?

Police records around 4 Clos Derwen, CF23 5HJ show an average of 9 reported crimes per month over the last 12 months. Violent crime makes up roughly 41% of reports, the most common category. The overall trend is rising (143% versus the prior period). Source: Police UK.

How well connected is 4 Clos Derwen, CF23 5HJ?

The closest bus stop to 4 Clos Derwen, CF23 5HJ is Brandreth Rd, 153m away. In total there are 30 bus stops within the surrounding area.

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4 Clos Derwen, Cardiff, CF23 5HJ

3 sales on record1 planning record

Property type

Detached

Bedrooms

Bathrooms

Floor area

170 m²

1830 sq ft

Energy rating

Score 71

Council tax

Band G

Tenure

Owner Occupied

Overview

About 4 Clos Derwen

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

4 Clos Derwen is a four-bedroom detached house in Cardiff (CF23 5HJ). It has a recorded floor area of 170 m² (around 1830 sq ft), construction records dating it to 1996-2002 and council tax band G. The latest certificate (December 2019) shows a C (score 71). The recommended improvements would push it to B (score 81). Records show the property has been extended at some point in its history.

At 170 m² the property is well over the postcode median (107 m² across 22 EPCs), placing it in the larger end of the local stock. One planning record on file: a garage conversion approved in 2010. Past consents include a garage conversion, meaningful when judging how the property has evolved. Across 1999–2020, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £619,000 is 29.5% above the 2020 sale price. Sold April 2020 for £478,000.

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
Dining roomYes
EnsuiteYes

Outside

GarageYes

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.

EPC Rating

C71

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Average

CO2 Emissions

5.0 t/year

Occupancy

Owner Occupied

Get a survey for this property

Level 3 Building Survey

Late 20th centuryDetached HouseEPC CExtended multiple times (2+ extensions)

Because the property has been extended more than once, we believe a Level 3 building survey should be considered.

From £1,155 · Includes VAT

Planning

Planning history

Applications and permits filed against 4 Clos Derwen, Cardiff, CF23 5HJ, sourced from the PlanIt planning register.

1 application on record at 4 Clos Derwen, Cardiff, CF23 5HJ

1decisions1extensions2documents1nearby

Nov 2010
Garage ConversionFull
Outcome in report
CONVERSION OF EXISTING GARAGE INTO PLAYROOM/DAY ROOM WITH THE PROVISION OF 3 NO CAR PARKING SPACES
Documents
2 docs on file
Reference
10/01593/DCH
Full record in report

Unlock 4 Clos Derwen, Cardiff, CF23 5HJ's full planning history

You're seeing the shape of it. The report has the substance.

Every decision — granted, refused or withdrawn (1 on record)
All 1 application on this property in full, plus 1 notable nearby
The 2 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.

Sale price has grown by over 3x since 1999.

Current estimate

£619,000

Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 20 years.

See how we calculated this

Last sold (2020)

£478,000

Growth on file: 6.2% per year over 20 years.

Sales timeline

2 April 2020Most recent
£478,000
+139.1%over 18 years
3 September 2001
£199,950
+41.3%over 1 year
21 December 1999
£141,550

Median price across the last 5 sales in CF23 5HJ: £425,000 (2025–2021).

Nearby sales in CF23 5HJ

On the street

Versus other Clos Derwen homes

Four headline reads against 22 similar houses on this street, drawn from the latest EPC and Land Registry data.

Floor Area for 4 Clos Derwen runs comfortably ahead of the street norm.

Price per m²

£2,812

Street avg £3,266

Below

Floor Area

170 m²

Street avg 112 m²

Strongly above

Habitable Rooms

7 rooms

Street avg 6 rooms

Above

CO₂ Emissions

5.0 t/year

Street avg 3.5 t/year

Strongly below

Before you decide

Everything you need to know about 4 Clos Derwen

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.

£661k

1 Bronwydd Close

CF23 5RA

4 bed2 bath

£579k

1 Clos Edno

CF23 5NF

4 bed2 bath

£574k

1 Clos Derwen

CF23 5HJ

4 bed2 bath

£677k

1 Beatty Avenue

CF23 5QR

4 bed1 bath

£689k

1 Balaclava Road

CF23 5BB

4 bed3 bath

£520k

1 Crystal Avenue

CF23 5QJ

4 bed1 bath

£457k

1 Clos Tecwyn

CF23 5ND

4 bed2 bath

£509k

1 Boverton Street

CF23 5ES

5 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

9/mo

Rising year-on-year across the wider district.

Nearest stop

0.2 km

Brandreth Rd — 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 Clos Derwen, Cardiff, CF23 5HJ. Each answer is also embedded as structured data for search engines.