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11 Brynderwen Close, Cardiff, CF23 6BR

Estimated value

£538,000

  • Since the 2016 sale (£350,000)+54%
  • Against CF23 6BR's recent median (£505,000)+7%

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
4
Bathroom
1
Floor area
125 m²
1345 sq ft
Energy rating
C
Score 76
Council tax
Band G
Tenure
Owner Occupied
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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

£538,000

  • Against its 2016 sale (£350,000)+54%
  • Against CF23 6BR's recent median (£505,000)+7%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 11 Brynderwen Close is modelled from its 125 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

    125 m² from the EPC lodged in August 2025

  • Sales of this home

    1 sale recorded, the latest in 2016

  • Recent sales in CF23 6BR

    5 sales, median £505,000 (2026–2019)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: May 2026Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
PlanningNone on this homeFull history, plus nearby schemes
Flood riskNot shownIncluded
Price

Sales history & valuation

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

11 Brynderwen Close valuation sits well clear of the typical sold price in this postcode.

Sales timeline

  1. 13 June 2016Most recent

    £350,000

Median price across the last 5 sales in CF23 6BR: £505,000 (2026–2019).

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

One time fee only - money back guarantee

Overview

About 11 Brynderwen Close

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

11 Brynderwen Close is a four-bedroom semi-detached house in Cardiff (CF23 6BR). It has a recorded floor area of 125 m² (around 1345 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (August 2025) shows a C (score 76), near the top of the C band. When first surveyed in May 2015 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good and lighting went from Average to Good; while window efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 82).

Today's modelled estimate of £538,000 sits 53.7% above the 2016 sale of £350,000. On a £-per-square-foot basis, the last sale (£260/sq ft) was about 18.3% above the typical sold price in the postcode. Its energy rating outperforms most of the postcode (better than 73% of similar EPCs). Last sold in June 2016, so it's been off the market for around 10 years.

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
Before you decide

Everything you need to know about 11 Brynderwen Close

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

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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.
Current Certificate(1 of 2)
Aug 2025

EPC Rating

A
B
C
C76
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
2.8 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 4 August 2035

8 years remaining

Property Improvements

Changes detected from historical EPC data

Aug 2025from May 2015
EPC improved fromD63toC76
Roof
GoodVery Good

Roof insulation improved

Low Energy Lighting
27%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 11 Brynderwen Close, Cardiff, CF23 6BR, sourced from the PlanIt planning register.

11 Brynderwen Close 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.

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.

11 Brynderwen Close outperforms the street on epc rating by a wide margin.

Price per m²

£2,800

Street avg £3,151

Below

Floor Area

125 m²

Street avg 137 m²

Below

Habitable Rooms

7 rooms

Street avg 6 rooms

Strongly above

CO₂ Emissions

2.8 t/year

Street avg 5.2 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.

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Mid 20th centurySemi-Detached 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.

From £795 · Includes VAT

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
£534k

1 Dan Yr Heol

CF23 6JU

3 bed2 bath
£533k

1 Dan Y Coed Close

CF23 6NJ

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 11 Brynderwen Close is modelled from its 125 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 11 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 11 Brynderwen Close was lodged in August 2025 at band C and is valid until August 2035. 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 11 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
11 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 11 Brynderwen Close, Cardiff, CF23 6BR. Each answer is also embedded as structured data for search engines.

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