What kind of home is 9 Brynderwen Close, CF23 6BR?

9 Brynderwen Close, CF23 6BR is a 4-bedroom semi-detached house, set on a cul-de-sac.

What was the last sold price for 9 Brynderwen Close, CF23 6BR?

9 Brynderwen Close, CF23 6BR last sold for £505,000 in November 2022, around 4 years ago. Source: HM Land Registry.

What is the EPC rating for 9 Brynderwen Close, CF23 6BR?

The current EPC rating for 9 Brynderwen Close, CF23 6BR is C with a score of 69 out of 100, lodged in January 2022. The assessor estimates the property could reach a B. Source: EPC Register.

How big is 9 Brynderwen Close, CF23 6BR?

9 Brynderwen Close, CF23 6BR has a recorded floor area of 114 m² (1,227 sq ft), around 29 m² per bedroom. That makes it about 13% smaller than the median EPC-recorded property in CF23 6BR. Source: EPC Register.

What heating system does 9 Brynderwen Close, CF23 6BR use?

The latest EPC at 9 Brynderwen Close, CF23 6BR records mains gas as the main heating fuel. Source: EPC Register.

What is the council tax band for 9 Brynderwen Close, CF23 6BR?

9 Brynderwen Close, CF23 6BR 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 9 Brynderwen Close, CF23 6BR in?

9 Brynderwen Close, CF23 6BR sits in Cardiff. It falls within the CF23 postcode district.

Is 9 Brynderwen Close, CF23 6BR in a safe area?

Police records around 9 Brynderwen Close, CF23 6BR show an average of 169 reported crimes per month over the last 18 months. Violent crime makes up roughly 33% of reports, the most common category. The overall trend is falling (20% versus the prior period). Source: Police UK.

How well connected is 9 Brynderwen Close, CF23 6BR?

The closest bus stop to 9 Brynderwen Close, CF23 6BR is Celyn Avenue, 122m away. In total there are 30 bus stops within the surrounding area.

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9 Brynderwen Close, Cardiff, CF23 6BR

Estimated value

£533,000

Since the 2022 sale (£505,000)+6%
Against CF23 6BR's recent median (£450,000)+18%

Newest record on this page: May 2026. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation

Property type

Semi-detached

Bedrooms

Bathroom

Floor area

114 m²

1227 sq ft

Energy rating

Score 69

Council tax

Band G

Tenure

Private Rental

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Valuation

About this valuation

How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.

Our estimate

£533,000

Against its 2022 sale (£505,000)+6%
Against CF23 6BR's recent median (£450,000)+18%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 9 Brynderwen Close is modelled from its 114 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF23 6BR. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.

What it's based on

Floor area
114 m² from the EPC lodged in January 2022
Sales of this home
1 sale recorded, the latest in 2022
Recent sales in CF23 6BR
5 sales, median £450,000 (2026–2016)

This page or the full report?

Data	This page	Full report
Sales	Latest sale shown: May 2026	Latest available records, read when you order
Valuation	Estimate from the last refresh	Analysed against comparable sales
Planning	None on this home	Full history, plus nearby schemes
Flood risk	Not shown	Included

Price

Sales history & valuation

Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.

The latest sale landed in the post-pandemic price surge — useful context when reading the figure.

Sales timeline

8 November 2022Most recent
£505,000

Median price across the last 5 sales in CF23 6BR: £450,000 (2026–2016).

Nearby sales in CF23 6BR

Risks

What this page doesn't show

Nothing is flagged from the data on this page, but these checks are only run in the report. The detail, evidence and what to ask about it are in the Risks Report.

Flood risk from rivers, sea and surface waterIn report
Subsidence and ground-stability signalsIn report
Refusals, enforcement and big schemes nearbyIn report

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Overview

About 9 Brynderwen Close

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

9 Brynderwen Close is a four-bedroom semi-detached house in Cardiff (CF23 6BR). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to 1967-1975 and council tax band G. The latest certificate (January 2022) shows a C (score 69), just inside the C band. The rating has held steady at C across 2 certificates since January 2012. Between certificates, lighting went from Poor to Very Good; while wall efficiency dropped from Good to Poor. The recommended improvements would push it to B (score 85). The home occupies a cul-de-sac position.

Its energy rating outperforms most of the postcode (better than 73% of similar EPCs). On a £-per-square-foot basis, the last sale (£412/sq ft) was about 87.1% above the typical sold price in the postcode. Last sale on file: £505,000 in November 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.

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
Bathrooms1
CloakroomYes
EnsuiteYes

Outside

GarageYes
Cul-de-sacYes

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Everything you need to know about 9 Brynderwen Close

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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)

Jan 2022

EPC Rating

C69

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Average

CO2 Emissions

3.8 t/year

Occupancy

Rented

Certificate validity

Valid until 19 January 2032

5 years remaining

Property Improvements

Changes detected from historical EPC data

Jan 2022from Jan 2012

Windows

Mostly DoubleFull Double

Windows upgraded, improving insulation

Low Energy Lighting

16%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 9 Brynderwen Close, Cardiff, CF23 6BR, sourced from the PlanIt planning register.

9 Brynderwen 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.

On the street

Versus other Brynderwen Close homes

Four headline reads against 11 similar houses on this street, drawn from the latest EPC and Land Registry data.

Price per m² for 9 Brynderwen Close runs comfortably ahead of the street norm.

Price per m²

£4,430

Street avg £2,918

Strongly above

Floor Area

114 m²

Street avg 138 m²

Strongly below

Habitable Rooms

6 rooms

Street avg 6 rooms

Below

CO₂ Emissions

3.8 t/year

Street avg 5.1 t/year

Strongly above

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

169/mo

Falling year-on-year across the wider district.

Nearest stop

0.1 km

Celyn Avenue — bus stop.

Nearest stops

Celyn AvenueBus stop122m
Caer Cady CloseBus stop128m
Holmwood CloseBus stop184m
Lomond CrescentBus stop262m

Most reported crime locally

Violence & Sexual Offences995 reports33%
Anti-social Behaviour345 reports11%
Public Order344 reports11%
Shoplifting340 reports11%

Go deeper on the local area

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

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Late 20th centurySemi-Detached HouseEPC C

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Comparables

Similar properties nearby

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

£507k

1 Duffryn Avenue

CF23 6LE

4 bed

£643k

1 Dan Y Coed Rise

CF23 6NN

4 bed2 bath

£649k

1 Alderbrook, Cyncoed

CF23 6QD

4 bed2 bath

£425k

1 Celyn Grove

CF23 6SH

4 bed

£533k

1 Dan Y Coed Close

CF23 6NJ

3 bed2 bath

£534k

1 Dan Yr Heol

CF23 6JU

3 bed2 bath

£303k

1 Glenwood

CF23 6UR

4 bed1 bath

£456k

1 Cefn Coed Avenue

CF23 6HE

3 bed1 bath

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Method

How to read this page

Where every figure above comes from, how current it is and what it can't tell you.

Valuation method in detail

How the estimate is made: The estimate for 9 Brynderwen Close is modelled from its 114 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF23 6BR. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Where sold prices come from: Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 1 sale is recorded for 9 Brynderwen Close. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
Reading the EPC: Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 9 Brynderwen Close was lodged in January 2022 at band C and is valid until January 2032. 2 certificates are on record, which shows how the home has changed.
Planning records: Planning applications are collected from local authority registers through PlanIt. None is matched to 9 Brynderwen Close. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
Area figures: Crime is police-recorded street-level data over the last 18 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from CF23 6BR.
Council tax band: 9 Brynderwen Close is in council tax band G. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 9 Brynderwen Close, Cardiff, CF23 6BR. Each answer is also embedded as structured data for search engines.

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