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20 Clos Derwen, Cardiff, CF23 5HJ

Property type
Detached
Habitable rooms
10
From EPC
Floor area
163 m²
1755 sq ft
Energy rating
C
Score 75
Council tax
Band G
Tenure
Owner Occupied
Overview

About 20 Clos Derwen

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

20 Clos Derwen is a detached house in Cardiff (CF23 5HJ). It has a recorded floor area of 163 m² (around 1755 sq ft), construction records dating it to 1996-2002 and council tax band G. The latest certificate (January 2025) shows a C (score 75), near the top of the C band. The recommended improvements would push it to B (score 83).

At 163 m² the property is well over the postcode median (107 m² across 22 EPCs), placing it in the larger end of the local stock. It changed hands recently, sold May 2025 for £660,000. Across 2000–2025, sale prices on this property compounded at 4.8% per year. On a £-per-square-foot basis, the last sale (£376/sq ft) was about 64.5% above the typical sold price in the postcode.

Before you decide

Everything you need to know about 20 Clos Derwen

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

Pick your report · every report is £14.99

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Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
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

A
B
C
C75
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
4.0 t/year
Occupancy
Owner Occupied
SDL Surveying

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 20 Clos Derwen, Cardiff, CF23 5HJ, sourced from the PlanIt planning register.

20 Clos Derwen has no planning applications on record.

1

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.

Latest sale on 20 Clos Derwen was the highest on Land Registry record across the postcode.

Current estimate

£694,000

Modelled from EPC, postcode comparables and a sale-price growth of 4.8% per year over 25 years.

See how we calculated this
Last sold (2025)

£660,000

Growth on file: 4.8% per year over 25 years.

Sales timeline

  1. 26 May 2025Most recent

    £660,000

    +230.1%over 25 years

  2. 25 February 2000

    £199,950

Median price across the last 5 sales in CF23 5HJ: £407,000 (2022–2021).

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.

Years Held for 20 Clos Derwen lags the street by a wide margin.

Price per m²

£4,049

Street avg £3,210

Strongly above

Floor Area

163 m²

Street avg 112 m²

Strongly above

Habitable Rooms

10 rooms

Street avg 6 rooms

Strongly above

CO₂ Emissions

4.0 t/year

Street avg 3.6 t/year

Below
Before you decide

Everything you need to know about 20 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

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£689k

1 Balaclava Road

CF23 5BB

4 bed3 bath
£677k

1 Beatty Avenue

CF23 5QR

4 bed1 bath
£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
£533k

1 Eskdale Close

CF23 5LF

£531k

1 Axminster Road

CF23 5AR

£520k

1 Crystal Avenue

CF23 5QJ

4 bed1 bath
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 20 Clos Derwen, Cardiff, CF23 5HJ. Each answer is also embedded as structured data for search engines.