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23a, Braunton Avenue, Llanrumney, Cardiff, CF3 5HU

Property type
Semi-detached
Floor 01
Habitable rooms
2
From EPC
Floor area
44 m²
474 sq ft
Energy rating
C
Score 73
Council tax
Band A
Tenure
Social Rental
Overview

About 23a

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

23a is a semi-detached house in Llanrumney, Cardiff, Cardiff (CF3 5HU). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (June 2025) shows a C (score 73). The rating has held steady at C across 3 certificates since August 2024. Between certificates, wall efficiency went from Average to Good and roof efficiency went from Good to Very Good; while window efficiency dropped from Average to Poor. At 44 m² this is the 17th smallest of 31 units on EPC record in the building, where floor areas span 37–117 m². The building's EPC ratings span E to B across 31 units on file.

Before you decide

Everything you need to know about 23a

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
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

23a's carbon output is low for the local stock.

Current Certificate(1 of 3)
Jun 2025

EPC Rating

A
B
C
C73
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
1.1 t/year
Occupancy
Rented

Property Improvements

Changes detected from historical EPC data

May 2025from Aug 2024
Roof Insulation
InsulatedWell Insulated

Loft insulation upgraded to recommended levels

Low Energy Lighting
60%100%

More low energy lighting installed

Jun 2025from May 2025
Walls
AverageGood

Wall insulation improved

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Mid 20th century1st Floor FlatEPC 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 £495 · Includes VAT

Planning

Planning history

Applications and permits filed against 23a, Braunton Avenue, Llanrumney, Cardiff, CF3 5HU, sourced from the PlanIt planning register.

23a has no planning applications on record.

A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.

Price

Sales history & valuation

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

23a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£123,000

Modelled from EPC, postcode comparables.

See how we calculated this

No sales recorded with HM Land Registry

That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.

Median price across the last 5 sales in CF3 5HU: £140,000 (2021–2013).

On the street

Versus other Braunton Avenue homes

Four headline reads against 18 similar flats on this street, drawn from the latest EPC and Land Registry data.

23a outperforms the street on co₂ emissions by a wide margin.

EPC Rating

73 (C)

Street avg 72 (C)

Above

Floor Area

44 m²

Street avg 40 m²

Strongly above

CO₂ Emissions

1.1 t/year

Street avg 1.6 t/year

Strongly above

Habitable Rooms

2 rooms

Street avg 2 rooms

On par
Before you decide

Everything you need to know about 23a

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.
£122k

1 Braunton Avenue, Llanrumney

CF3 5HU

£122k

1 Bronte Crescent, Llanrumney

CF3 5PJ

£131k

1 Austen Close, Llanrumney

CF3 5QU

£136k

1 Chaucer Close, Llanrumney

CF3 5PU

£150k

1 Barnstaple Road, Llanrumney

CF3 5LR

£150k

1 Bluebell Drive

CF3 5RA

3 bed
£168k

1 Boswell Close, Llanrumney

CF3 5NY

£175k

1 Ashburton Avenue, Llanrumney

CF3 5PR

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

3/mo

Rising year-on-year across the wider district.

Nearest stop

0.1 km

Countisbury Avenue — 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 23a, Braunton Avenue, Llanrumney, Cardiff, CF3 5HU. Each answer is also embedded as structured data for search engines.